Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Browse doctors
Browse practices
Browse hospitals
Browse insurances
Browse locations
Browse conditions
Browse procedures
Browse treatments
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 10,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
315 verified Gastroenterologists in Waldorf, MD
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 11/10/2026
Availability last updated 11/10/2026

Dr. Raymond Richhart, MD

Gastroenterologist
5.00
·35 reviews
Dr. Richhard is wonderful. He patiently listened to my concerns and addressed them with the potential evaluation and diagnosis and the next steps. - Oct 16, 2026 by Zhi G.Click to read more
27.5 mi · 5622 Shields Dr, Bethesda, MD 20817
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Raymond Richhart is a gastroenterologist who sees patients at Gastro Centers of America in Silver Spring, Rockville, and Riverdale, MD. He provides care for individuals seeking evaluation and support for digestive health concerns. Dr. Richhart earned his medical degree from the University of Vi...Click to read more
Next available: Wed, Dec 2

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Amazing dr he's is very clear on his explanation of tings - Jan 22, 2026 by William M.Click to read more
27.5 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Mon, Dec 7

Dr. Neha Rajpal, MD

Gastroenterologist
4.90
·40 reviews
Very attentive and proactive doctor. The reception was also very good. by ADClick to read more
27.5 mi · 5622 Shields Dr, Bethesda, MD 20817
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Neha Rajpal is a gastroenterologist who sees patients in person at Gastro Centers of America in Silver Spring, Rockville, and Riverdale, MD. She provides care for individuals seeking evaluation and treatment of digestive health concerns. Dr. Rajpal completed her medical degree at Georgetown Uni...Click to read more
Next available: Tue, Dec 8

Charlyn Tupaz, NP

Adult Nurse Practitioner
5.00
·9 reviews
She was very clear concise, and to the point I like her - Oct 31, 2026 by Chelsea B.Click to read more
24 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
Accepts Aetna, Cigna, Medicare + 1 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Charlyn Tupaz is a nurse practitioner specializing in adult-gerontology primary care, with 18 years of healthcare experience. She believes great care starts with a trusting relationship and takes time to listen to her patients and understand their goals. Charlyn focuses on preventive care, wellness...Click to read more
Next available: Thu, Nov 12

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.95
·20 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
22.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: Mon, Nov 23

Dr. Sacari Thomas-Mohamed, MD

Family Physician
4.78
·107 reviews
The doctor was personable, down-to-earth and comforting. She was not dismissive to my concerns, as some doctors can be, and made sure to provide me valuable information on next steps. I'd highly recommend her! - Jun 24, 2025Click to read more
25 mi · 8455 Colesville Rd, Ste 1125, Silver Spring, MD 20910
Accepts Aetna, BlueCross BlueShield, Cigna + 20 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper respiratory infection (uri) + 2 more ·
Read bio
Dr. Thomas-Mohamed is a native of Pittsburgh, PA, the oldest daughter of working class parents. She completed medical school at the University of Pittsburgh School of Medicine and Family Medicine residency at Advocate Christ Medical Center in Chicago, IL. She has been board certified in Family Medic...Click to read more
Next available: tomorrow

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.95
·20 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
27.5 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: today

Dr. Urooj Ahmed, MD

Gastroenterologist
4.39
·38 reviews
Dr Ahmed was very attentive, patient and knowledgeable. He listened to my symptoms and concerns, before checking me and giving his expert opinion. When I shared with him I had lab appointment afterwards, he made me aware lab office was in-house, which was very convenient. I would recommend him to an...Click to read more
30 mi · 1419 Frst Dr, Annapolis, MD 21403
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Expertise in upper gi endoscopy + 5 more ·
Read bio
Dr. Urooj Ahmed is a dedicated gastroenterologist practicing at the Gastro Center of MD, serving the communities of Columbia and Annapolis, MD. With extensive training and experience, Dr. Ahmed diagnoses and manages various gastrointestinal conditions to improve his patients' quality of life. Dr. A...Click to read more
Next available: Wed, Dec 2

Juliana Samar, PA-C

Physician Assistant
5.00
·2 reviews
She is one of the best doctors that I have. She took her time to listen and to review my issue. She cares for her patient. - Oct 16, 2026 by Diem Loan D.Click to read more
30 mi · 3903 Fair Rdg Dr, Ste 218, Fairfax, VA 22033
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Juliana Samar, PA-C, DMSc, is a highly trained physician assistant at Prima Medicine with a strong foundation in primary care, dermatology, preventive medicine, and patient-centered chronic disease management. She earned her Doctorate in Medical Science from Shenandoah University and completed advan...Click to read more
Next available: today

Dr. Thi Khuc, MD

Gastroenterologist
4.90
·233 reviews
Great experience, Dr Thi Khuc was great and very informative. Looking forward for the upcoming appointment.Click to read more
30 mi · 1419 Frst Dr, Annapolis, MD 21403
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Thi Khuc is a skilled gastroenterologist currently practicing at the Gastro Center of MD in Columbia and Annapolis (MD). She is also certified by the American Board of Internal Medicine. After earning her medical degree from the University of Virginia, Dr. Khuc completed her internal medicine ...Click to read more
Next available: Wed, Dec 9

Dr. Rajan Sood, MD

Internist
3.24
·17 reviews
yes I will Thank you for the service - Aug 6, 2024 by Jean G.Click to read more
25 mi · 804 Pershing Dr, Ste 104, Silver Spring, MD 20910
Accepts Aetna, BlueCross BlueShield, Cigna + 7 more
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in high cholesterol + 6 more ·
Read bio
Dr. Rajan Sood, MD, is a General Medicine Practitioner in Bowie, MD. He earned his Bachelor of Medicine, Bachelor of Surgery from Government Medical College Patiala. Not only is he experienced and highly educated, but he is also kind, attentive, and has a wonderful sense of humor. Dr. Sood can be tr...Click to read more
Next available: Wed, Nov 18

Dr. Lance Lasner, MD

Gastroenterologist
4.80
·41 reviews
I’ve been a patient for 10+ years and Dr. Lasner has been the best GI I’ve seen around. He’s a great person he genuinely cares about his patients wellbeing and will do anything in his power to help get them to remission. - Mar 26, 2026 by Moe RClick to read more
33 mi · 5651 Stone Rd, Centreville,, VA 20120
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · 25+ years of experience · Highly recommended · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Lance Lasner is one of a select few doctors to receive the Vitals® Patients’ Choice and the Vitals Compassionate Doctor awards for five consecutive years. He brings over 25 years of experience to his role as a gastroenterologist at Northern Virginia Gastroenterology, P.C. Dr. Lasner earned hi...Click to read more
Next available: Mon, Nov 16

Dr. Melissa Fagonde, MD

Family Physician
25.5 mi · 8630 Fenton Street, Suite 230, Silver Spring, MD 20910
Also offers video visits · Accepting new patients · 12 years of experience · Expertise in chronic high blood pressure + 3 more ·
Read bio
Dr. Melissa Fagonde is a board-certified Family Medicine physician with over a decade of experience providing comprehensive primary care and women’s health services in the Washington, DC area. She is passionate about preventive medicine, hormone replacement therapy, metabolic health, and helping pat...Click to read more
Next available: Mon, Dec 7

Karla Urgilez, PA-C

Physician Assistant
26 mi · 8200 Greensboro Dr, Ste 801, McLean, VA 22102
Accepting new patients ·
Read bio
Karla Urgilez, PA-C, is a board-certified physician assistant with a strong interest in dermatology and a dedication to providing personalized, patient-centered care. She earned her bachelor’s degree in Biology from Towson University and went on to receive her Master of Science in Health Sciences fr...Click to read more
Next available: Mon, Nov 30

Dr. Eduardo Castillo, MD

Gastroenterologist
4.88
·243 reviews
Very quick, little wait time, overall good experience - Feb 2, 2022 by James G.Click to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Serving the communities of Olney and Columbia, MD, Dr. Eduardo Castillo is an attending physician at Gastro Center of Maryland. An accomplished gastroenterologist, he looks forward to providing his patients with the proper tools and advice they need to improve or maintain their overall health. Dr...Click to read more
Next available: today

Dr. Jennie Zhang, DO

Gastroenterologist
4.70
·40 reviews
Great staff. The doctor was very communicative and listened to all my concerns. - Jan 27, 2026 by Carlos A.Click to read more
35.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Jennie Zhang is a distinguished gastroenterologist. She practices at the Gastro Center of MD, serving patients in Silver Spring, Riverdale, and Olney, MD. Dr. Zhang completed her medical degree at the West Virginia School of Osteopathic Medicine and her residency in internal medicine at the Uni...Click to read more
Next available: Fri, Nov 13

Dr. Raymond Richhart, MD

Gastroenterologist
5.00
·35 reviews
Dr. Richhard is wonderful. He patiently listened to my concerns and addressed them with the potential evaluation and diagnosis and the next steps. - Oct 16, 2026 by Zhi G.Click to read more
35.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Raymond Richhart is a gastroenterologist who sees patients at Gastro Centers of America in Silver Spring, Rockville, and Riverdale, MD. He provides care for individuals seeking evaluation and support for digestive health concerns. Dr. Richhart earned his medical degree from the University of Vi...Click to read more
Next available: Fri, Nov 13

Dr. Urooj Ahmed, MD

Gastroenterologist
4.39
·38 reviews
Dr Ahmed was very attentive, patient and knowledgeable. He listened to my symptoms and concerns, before checking me and giving his expert opinion. When I shared with him I had lab appointment afterwards, he made me aware lab office was in-house, which was very convenient. I would recommend him to an...Click to read more
37 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Expertise in upper gi endoscopy + 5 more ·
Read bio
Dr. Urooj Ahmed is a dedicated gastroenterologist practicing at the Gastro Center of MD, serving the communities of Columbia and Annapolis, MD. With extensive training and experience, Dr. Ahmed diagnoses and manages various gastrointestinal conditions to improve his patients' quality of life. Dr. A...Click to read more
Next available: today

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·432 reviews
The doctor had a kind and gentle approach that I really appreciated. I am glad that I found him. by Jaimey M.Click to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: tomorrow

Dr. Eduardo Castillo, MD

Gastroenterologist
4.88
·243 reviews
Very quick, little wait time, overall good experience - Feb 2, 2022 by James G.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Serving the communities of Olney and Columbia, MD, Dr. Eduardo Castillo is an attending physician at Gastro Center of Maryland. An accomplished gastroenterologist, he looks forward to providing his patients with the proper tools and advice they need to improve or maintain their overall health. Dr...Click to read more
Next available: tomorrow

Dr. Dhruv Lowe, MD

Gastroenterologist
4.87
·435 reviews
Dr. Lowe made me feel heard and validated. This is priceless when you’re autistic like me. - Aug 27, 2025 by Stephanie B.Click to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Thu, Nov 12

Dr. Monica Passi, MD

Gastroenterologist
4.84
·124 reviews
Great experience the doctor was very knowledgeable and friendly. - Oct 7, 2025 by Vecoya B.Click to read more
35.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Dr. Monica Passi is a distinguished gastroenterologist. She practices at the Gastro Center of MD and sees patients in Riverdale and Annapolis, MD.  Dr. Passi completed her medical degree from George Washington University and her internship in internal medicine at North Shore University Hospital. Sh...Click to read more
Next available: Mon, Nov 16

Dr. Simmi Singh, MD

Internist
30 mi · 3903 Fair Rdg Dr, Ste 218, Fairfax, VA 22033
Accepts Aetna, BlueCross BlueShield, Cigna + 10 more
Also offers video visits · Accepting new patients ·
Read bio
Dr. Simmi Singh, MD is an Internal Medicine physician dedicated to patient-centered, evidence-based primary care for adults. A native of the Washington, DC metropolitan area, Dr. Singh earned her medical degree from Howard University College of Medicine and a Master of Public Health from The George ...Click to read more
Next available: Fri, Nov 13

Dr. Neha Rajpal, MD

Gastroenterologist
4.90
·40 reviews
Very attentive and proactive doctor. The reception was also very good. by ADClick to read more
35.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Neha Rajpal is a gastroenterologist who sees patients in person at Gastro Centers of America in Silver Spring, Rockville, and Riverdale, MD. She provides care for individuals seeking evaluation and treatment of digestive health concerns. Dr. Rajpal completed her medical degree at Georgetown Uni...Click to read more
Next available: Tue, Nov 17

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.67
·15 reviews
very professional and thorough. listened and asked questions by Hermione C.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in gastroenteritis + 9 more ·
Read bio
Dr. Rai is the Medical Director of Gastro Center of Maryland and Cascades Endoscopy Center. He is a Board-Certified Gastroenterologist and Hepatologist with over 20 years of experience. Dr. Rai completed his Bachelor of Medicine, Bachelor of Surgery at the All India Institute of Medical Sciences,...Click to read more
Next available: tomorrow

Dr. Rushi Talati, MD

Gastroenterologist
4.93
·108 reviews
Dr. Talati was very professional. He explained what the expectations were. He made my visit easy. Thank you! by TWClick to read more
35.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Thu, Nov 19

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Amazing dr he's is very clear on his explanation of tings - Jan 22, 2026 by William M.Click to read more
35.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Fri, Nov 20

Dr. Urooj Ahmed, MD

Gastroenterologist
4.39
·38 reviews
Dr Ahmed was very attentive, patient and knowledgeable. He listened to my symptoms and concerns, before checking me and giving his expert opinion. When I shared with him I had lab appointment afterwards, he made me aware lab office was in-house, which was very convenient. I would recommend him to an...Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Expertise in upper gi endoscopy + 5 more ·
Read bio
Dr. Urooj Ahmed is a dedicated gastroenterologist practicing at the Gastro Center of MD, serving the communities of Columbia and Annapolis, MD. With extensive training and experience, Dr. Ahmed diagnoses and manages various gastrointestinal conditions to improve his patients' quality of life. Dr. A...Click to read more
Next available: Thu, Nov 12

Dr. Shaffer Mok, MD

Gastroenterologist
4.83
·48 reviews
Amazing, nice doctor, glad I make this choice. by KCClick to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Dr. Shaffer Mok is a skilled gastroenterologist. He practices at Gastro Center of MD in Owings Mills, Nottingham, and Lutherville Timonium, MD. With a patient-centered approach, Dr. Mok takes the time to understand each individual's symptoms, concerns, and lifestyle, fostering a trusting and collab...Click to read more
Next available: Fri, Nov 13

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·309 reviews
Amazing customer service and knowledgeable physician - Jul 9, 2025 by Adrienne C.Click to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Dr. Pia Prakash completed her medical training in Washington, D.C. She received her Bachelor in Arts and Sciences from The George Washington University with a major in Psychology. She then attended the George Washington University School of Medicine where she received her medical degree and complete...Click to read more
Next available: Mon, Nov 16

Kenderlate Arthus, FNP-C

Family Nurse Practitioner
4.90
·60 reviews
The staff was very professional during my visit. I highly recommend Ms Arthus. by JHClick to read more
30.5 mi · 9101 Cherry Ln Suite 111, Laurel, MD 20708
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Kenderlate Arthus is an experienced and compassionate family nurse practitioner. She practices at Angel Eye Medical Primary Care Clinic in Laurel, MD, and also provides virtual consultations. Ms. Arthus earned her bachelor's degree from Coppin State University and completed her master's degree ...Click to read more
Next available: Sat, Nov 14

Christina Sasselli, NP

Nurse Practitioner
5.00
·3 reviews
She was awesome! Definitely will be back - Nov 4, 2026 by Jessica S.Click to read more
35 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 14 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Christina Sasselli, CRNP, is a board-certified Family Nurse Practitioner committed to delivering compassionate, holistic, and patient-centered care. She earned her Master of Science in Nursing (MSN) from Duquesne University in Pittsburgh and her Bachelor of Science in Nursing (BSN) from Chamberlain ...Click to read more
Next available: today

Dr. Farzin Rashti, MD

Gastroenterologist
4.90
·554 reviews
Dr. Rashti was very compassionate and took care of my issue right away. I felt comfortable with his plan of care. - Jan 31, 2023 by Jasmine W.Click to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 18 years of experience · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique c...Click to read more
Next available: Thu, Nov 19

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Amazing dr he's is very clear on his explanation of tings - Jan 22, 2026 by William M.Click to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Wed, Nov 18

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·218 reviews
He was excellent! He listens and really explains things(Awesome!) by PWClick to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Mamunes is a reliable and accomplished internist. Catering to the people of Columbia and Timonium, MD, he works at the Gastro Center of MD, treating various complex chronic disorders in adults. As a part of his educational training, Dr. Mamunes acquired his medical degree from the Un...Click to read more
Next available: Mon, Nov 16

Dr. Farzin Rashti, MD

Gastroenterologist
4.90
·554 reviews
Dr. Rashti was very compassionate and took care of my issue right away. I felt comfortable with his plan of care. - Jan 31, 2023 by Jasmine W.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · 18 years of experience · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique c...Click to read more
Next available: Tue, Nov 17

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.82
·319 reviews
Dr Rosenbloom is very kind. He listens and makes very reasonable suggestions. - Jun 27, 2025 by Jennifer E.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
Read bio
Dr. Josh Rosenbloom is a Board-Certified physician who specializes in both Gastroenterology and hepatology. Dr. Rosenbloom received his medical degree from Des Moines University and completed his internal medicine residency and Gastroenterology fellowship at St. John Providence health system through...Click to read more
Next available: Tue, Nov 17

Dr. Thi Khuc, MD

Gastroenterologist
4.90
·233 reviews
Great experience, Dr Thi Khuc was great and very informative. Looking forward for the upcoming appointment.Click to read more
37 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Thi Khuc is a skilled gastroenterologist currently practicing at the Gastro Center of MD in Columbia and Annapolis (MD). She is also certified by the American Board of Internal Medicine. After earning her medical degree from the University of Virginia, Dr. Khuc completed her internal medicine ...Click to read more
Next available: Tue, Nov 17

Dr. Rushi Talati, MD

Gastroenterologist
4.93
·108 reviews
Dr. Talati was very professional. He explained what the expectations were. He made my visit easy. Thank you! by TWClick to read more
37 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Wed, Nov 18

Dr. Rushi Talati, MD

Gastroenterologist
4.93
·108 reviews
Dr. Talati was very professional. He explained what the expectations were. He made my visit easy. Thank you! by TWClick to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Tue, Nov 24

Dr. Monica Passi, MD

Gastroenterologist
4.84
·124 reviews
Great experience the doctor was very knowledgeable and friendly. - Oct 7, 2025 by Vecoya B.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Dr. Monica Passi is a distinguished gastroenterologist. She practices at the Gastro Center of MD and sees patients in Riverdale and Annapolis, MD.  Dr. Passi completed her medical degree from George Washington University and her internship in internal medicine at North Shore University Hospital. Sh...Click to read more
Next available: Thu, Nov 19

Rashawnda Thompson, CRNP

Family Nurse Practitioner
29.5 mi · 11119 Rockville Pike, Ste 207, Rockville, MD 20852
Accepts Aetna, BlueCross BlueShield, Cigna + 20 more
Also offers video visits · Accepting new patients ·
Read bio
Compassionate and dedicated Family Nurse Practitioner with experience in family medicine and correctional healthcare settings. Skilled in comprehensive patient assessments, chronic disease management, acute care treatment, health education, and preventive care. Proven ability to deliver high-quality...Click to read more
Next available: Mon, Nov 30

Dr. Dhruv Lowe, MD

Gastroenterologist
4.87
·435 reviews
Dr. Lowe made me feel heard and validated. This is priceless when you’re autistic like me. - Aug 27, 2025 by Stephanie B.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Fri, Nov 20

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·432 reviews
The doctor had a kind and gentle approach that I really appreciated. I am glad that I found him. by Jaimey M.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Tue, Nov 24

Dr. Jennie Zhang, DO

Gastroenterologist
4.70
·40 reviews
Great staff. The doctor was very communicative and listened to all my concerns. - Jan 27, 2026 by Carlos A.Click to read more
36.5 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Jennie Zhang is a distinguished gastroenterologist. She practices at the Gastro Center of MD, serving patients in Silver Spring, Riverdale, and Olney, MD. Dr. Zhang completed her medical degree at the West Virginia School of Osteopathic Medicine and her residency in internal medicine at the Uni...Click to read more
Next available: Wed, Dec 2

Dr. Rushi Talati, MD

Gastroenterologist
4.93
·108 reviews
Dr. Talati was very professional. He explained what the expectations were. He made my visit easy. Thank you! by TWClick to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Wed, Nov 25

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·309 reviews
Amazing customer service and knowledgeable physician - Jul 9, 2025 by Adrienne C.Click to read more
37 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Dr. Pia Prakash completed her medical training in Washington, D.C. She received her Bachelor in Arts and Sciences from The George Washington University with a major in Psychology. She then attended the George Washington University School of Medicine where she received her medical degree and complete...Click to read more
Next available: Wed, Dec 2

Deidre Ann Fisher, FNP

Family Nurse Practitioner
5.00
·7 reviews
Diedre is a very approachable, knowledgable and thorough practitioner. I was genuinely listening to me as evidenced by her follow ups in the practice's patient portal. - Jun 2, 2026Click to read more
35 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
Accepts BlueCross BlueShield, Cigna, Medicare + 10 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Deidre Fisher, MSN, APRN, FNP-C, is a Family Nurse Practitioner with a 30-year career dedicated to patient care. Her journey in nursing began after graduating with a Bachelor of Science in Nursing from the University of Delaware, where she also participated in ARMY ROTC. Following her education, Dei...Click to read more
Next available: today

Rashawnda Thompson, CRNP

Family Nurse Practitioner (Virtual)
Rockville, MD
Accepts Aetna, BlueCross BlueShield, Cigna + 20 more
Accepting new patients · Offers video visits ·
Read bio
Compassionate and dedicated Family Nurse Practitioner with experience in family medicine and correctional healthcare settings. Skilled in comprehensive patient assessments, chronic disease management, acute care treatment, health education, and preventive care. Proven ability to deliver high-quality...Click to read more
Next available: Mon, Nov 30

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.95
·20 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
35.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: tomorrow

Dr. Dhruv Lowe, MD

Gastroenterologist
4.87
·435 reviews
Dr. Lowe made me feel heard and validated. This is priceless when you’re autistic like me. - Aug 27, 2025 by Stephanie B.Click to read more
38.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Tue, Nov 24

Dr. Jennie Zhang, DO

Gastroenterologist
4.70
·40 reviews
Great staff. The doctor was very communicative and listened to all my concerns. - Jan 27, 2026 by Carlos A.Click to read more
38.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Jennie Zhang is a distinguished gastroenterologist. She practices at the Gastro Center of MD, serving patients in Silver Spring, Riverdale, and Olney, MD. Dr. Zhang completed her medical degree at the West Virginia School of Osteopathic Medicine and her residency in internal medicine at the Uni...Click to read more
Next available: Fri, Dec 4

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Amazing dr he's is very clear on his explanation of tings - Jan 22, 2026 by William M.Click to read more
38.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Thu, Dec 3

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.89
·94 reviews
Very knowledgeable staff that answered all my questions, nice welcoming girl on the front desk - May 21, 2026 by Anna R.Click to read more
38 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
Accepts Aetna, BlueCross BlueShield, Cigna + 3 more
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*$75 cancellation fee if cancelled within 48 hours of the appointment* Maria Layao FNP-BC is a dedicated and compassionate nurse practitioner who cares for patients with Crohn’s disease, ulcerative colitis, infectious colitis, GERD, Barrett’s esophagus, viral hepatitis, liver disease, and many othe...Click to read more
Next available: today

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·432 reviews
The doctor had a kind and gentle approach that I really appreciated. I am glad that I found him. by Jaimey M.Click to read more
38.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
Accepts Aetna, BlueCross BlueShield, Cigna + 29 more
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Mon, Dec 7
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
I will recommend Zocdoc to everyone, Excellent experience, very friendly, Top 5 STARS.
Bozena G
This was my first Zocdoc experience and everything went perfectly!
Joshua R
So easy to use and works EVERY time!! As a busy woman, I need to be able to schedule things quickly, and this makes that simple!! Thank you!!
Deborah P.
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Waldorf?

On average, patients who use Zocdoc can search for a Gastroenterologist in Waldorf, book an appointment, and see the Gastroenterologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Gastroenterologists in Waldorf who accept your insurance and make an appointment online.

How can I find a Waldorf Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a Waldorf Gastroenterologist who takes your insurance. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with a Gastroenterologist in Waldorf?

Zocdoc is a free online service that helps patients find Gastroenterologists in Waldorf and book appointments instantly. You can search for Waldorf Gastroenterologists by symptom or visit reason. Then, choose your insurance plan. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

How can I find a female Gastroenterologist in Waldorf?

When you search for Waldorf Gastroenterologists on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Gastroenterologists in Waldorf who match your preferences.

How can I find a Waldorf Gastroenterologist who sees patients after hours?

On Zocdoc, you can search specifically for Waldorf Gastroenterologists with availability after 5 p.m.

How can I find a top-rated Gastroenterologist in Waldorf?

You can use Zocdoc to find Gastroenterologists in Waldorf who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.

How can I find a video visit with a Gastroenterologist online in Waldorf?

Gastroenterologists in Waldorf on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Gastroenterologists who offer video visits.

Are video visits with a Gastroenterologist online covered by my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Waldorf who accept your insurance for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.

How can I find a Gastroenterologist in Waldorf who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Gastroenterologist who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.

How can I find a Gastroenterologist in Waldorf who sees patients during the weekend?

Zocdoc let's you see real-time availability for Gastroenterologists in Waldorf. Many Gastroenterologists offer appointments on Saturdays and Sundays.

Find doctors

        Zocdoc›Gastroenterologists›Waldorf, MD