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 Aetna Gastroenterologists in Washington, DC
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providersInsurance logo
Availability last updated 09/22/2026
Availability last updated 09/22/2026

Dr. Sacari Thomas-Mohamed, MD

Family Physician
4.81
·102 reviews
I like her bedside manner.Click to read more
7 mi · 8455 Colesville Rd, Ste 1125, Silver Spring, MD 20910
In-network · Aetna
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: Wed, Oct 7

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.93
·15 reviews
I would definitely recommend my PA MELISSA To a friend. She was very thorough and extremely helpful and nice! - Mar 20, 2026 by Gloria G.Click to read more
8 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · Aetna
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, Sep 28

Dr. Raymond Richhart, MD

Gastroenterologist
5.00
·4 reviews
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · Aetna
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: Thu, Sep 24

Dr. Kirsti Campbell, MD

Gastroenterologist
4.79
·24 reviews
She was very professional and kind towards my problems. She explained our next steps. by ESClick to read more
17.5 mi · 12011 US 50, Ste 506, Fairfax, VA 22033
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Kirsti Campbell is a gastroenterologist who sees patients in Falls Church, Fairfax, and Alexandria, VA. She offers in-office consultations at Gastro Virginia. She works with individuals seeking evaluation and care for digestive health concerns, from new symptoms to ongoing gastrointestinal condi...Click to read more
Next available: tomorrow

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·98 reviews
He is very understanding, answers all your questions & spends time discussing your issues. I’m very happy with him. by EJClick to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
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: tomorrow

Dr. Robert Byrne, MD

Gastroenterologist
4.65
·68 reviews
I felt listened to and he took everything into consideration to order tests - Oct 1, 2025Click to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
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: tomorrow

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·432 reviews
Dr. Lowe is very kind and listened to all my concerns. - Aug 30, 2023 by Elizabeth G.Click to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Thu, Sep 24

Dr. Farzin Rashti, MD

Gastroenterologist
4.90
·549 reviews
The NP did a great job of flushing out any contributing factors. The doctor was very clear about options. - Nov 2, 2023 by Michael C.Click to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
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, Sep 24

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·98 reviews
He is very understanding, answers all your questions & spends time discussing your issues. I’m very happy with him. by EJClick to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · Aetna
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: Mon, Sep 28

Dr. Jennie Zhang, DO

Gastroenterologist
4.68
·37 reviews
Dr. Zhang was pleasant to speak with and thorough in her professionalism. I feel comfort being in her care. - May 12, 2026 by Katherine H.Click to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · Aetna
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: Tue, Sep 29

Dr. Monica Passi, MD

Gastroenterologist
4.85
·108 reviews
Clear communication, friendly and great listeners. Threads the needle of professionalism and personable perfectly. - Feb 27, 2026 by Vernon B.Click to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · Aetna
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: Wed, Sep 30

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·303 reviews
First time visit. Excellent, would highly recommend. - Dec 10, 2024Click to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
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: Fri, Sep 25

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·431 reviews
Dr Xu is excellent and very informative. He is extremely thorough and makes clear decisions on next steps. - Jun 30, 2023 by Michael O.Click to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Fri, Sep 25

Dr. Robert Byrne, MD

Gastroenterologist
4.65
·68 reviews
I felt listened to and he took everything into consideration to order tests - Oct 1, 2025Click to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · Aetna
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, Oct 8

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
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
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: Tue, Sep 29

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·237 reviews
Dr. was very professional. I liked the staff and the doctor. I would certainly recommend Dr. Castillo to my friends. by RGClick to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
Accepting new patients · Highly recommended · 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: Tue, Sep 29

Christina Sasselli, NP

Nurse Practitioner
5.00
·2 reviews
16.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · Aetna
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. Joshua Rosenbloom, DO

Gastroenterologist
4.82
·313 reviews
Dr was a good listener, answer all my questions, made recommendations for my problem, No rushing during my visit. - Sep 1, 2026 by Carroll C.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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: tomorrow

Dr. Jennie Zhang, DO

Gastroenterologist
4.68
·37 reviews
Dr. Zhang was pleasant to speak with and thorough in her professionalism. I feel comfort being in her care. - May 12, 2026 by Katherine H.Click to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Aetna
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, Oct 7

Dr. Lance Lasner, MD

Gastroenterologist
4.78
·36 reviews
Dr Lasner was great! He was attentive and listened to my concerns. Layed out a detailed care plan. Highly recommended - Mar 23, 2026 by Irak P.Click to read more
22.5 mi · 5651 Stone Rd, Centreville,, VA 20120
In-network · Aetna
Accepting new patients · 25+ years of experience · 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: tomorrow

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·432 reviews
Dr. Lowe is very kind and listened to all my concerns. - Aug 30, 2023 by Elizabeth G.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: tomorrow

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
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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. Rashika Sood, MD

Internist
4.43
·1476 reviews
I really enjoyed my visit. The entire office and doctor were fabulous. - Oct 25, 2018Click to read more
16.5 mi · 6915 Laurel Bowie Rd, Ste 101, Bowie, MD 20715
In-network · Aetna
Accepting new patients · Expertise in high cholesterol + 2 more ·
Read bio
**(WE ONLY ACCEPT PATIENTS 21 YEARS OLD AND ABOVE.) As a native of Bowie, MD, Dr. Rashika Sood, serves her community as an Internal Medicine specialist and Primary Care Physician. Dr. Sood earned her Bachelor of Medicine, Bachelor of Surgery degree from Dayanand Medical College. She then complet...Click to read more
Next available: tomorrow

Dr. Robert Byrne, MD

Gastroenterologist
4.65
·68 reviews
I felt listened to and he took everything into consideration to order tests - Oct 1, 2025Click to read more
20 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Aetna
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: Tue, Sep 29

Dr. Shaffer Mok, MD

Gastroenterologist
4.93
·41 reviews
Great visit! by AWClick to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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: Thu, Sep 24

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
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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, Sep 24

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·432 reviews
Dr. Lowe is very kind and listened to all my concerns. - Aug 30, 2023 by Elizabeth G.Click to read more
20 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Mon, Oct 5

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.93
·15 reviews
I would definitely recommend my PA MELISSA To a friend. She was very thorough and extremely helpful and nice! - Mar 20, 2026 by Gloria G.Click to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · Aetna
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. Dabo Xu, MD

Gastroenterologist
4.82
·431 reviews
Dr Xu is excellent and very informative. He is extremely thorough and makes clear decisions on next steps. - Jun 30, 2023 by Michael O.Click to read more
20 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Mon, Oct 12

Dr. Farzin Rashti, MD

Gastroenterologist
4.90
·549 reviews
The NP did a great job of flushing out any contributing factors. The doctor was very clear about options. - Nov 2, 2023 by Michael C.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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: Mon, Sep 28

Dr. Thi Khuc, MD

Gastroenterologist
4.90
·230 reviews
Patient knowledgeable and steered me in the right connection - Feb 13, 2026 by Laura O.Click to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Aetna
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: Mon, Sep 28

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
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Aetna
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: Tue, Sep 29

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·215 reviews
He was excellent! He listens and really explains things(Awesome!) by PWClick to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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: Wed, Sep 30

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·98 reviews
He is very understanding, answers all your questions & spends time discussing your issues. I’m very happy with him. by EJClick to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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, Sep 30

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·237 reviews
Dr. was very professional. I liked the staff and the doctor. I would certainly recommend Dr. Castillo to my friends. by RGClick to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
Accepting new patients · Highly recommended · 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: Wed, Sep 30

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·303 reviews
First time visit. Excellent, would highly recommend. - Dec 10, 2024Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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: Thu, Oct 1

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·431 reviews
Dr Xu is excellent and very informative. He is extremely thorough and makes clear decisions on next steps. - Jun 30, 2023 by Michael O.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Tue, Oct 6

Dr. Farzin Rashti, MD

Gastroenterologist
4.90
·549 reviews
The NP did a great job of flushing out any contributing factors. The doctor was very clear about options. - Nov 2, 2023 by Michael C.Click to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Aetna
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, Oct 6

Dr. Monica Passi, MD

Gastroenterologist
4.85
·108 reviews
Clear communication, friendly and great listeners. Threads the needle of professionalism and personable perfectly. - Feb 27, 2026 by Vernon B.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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, Oct 8

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.94
·79 reviews
I was seen on time and the provider was attentive and helpful.Click to read more
22 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · Aetna
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. Thi Khuc, MD

Gastroenterologist
4.90
·230 reviews
Patient knowledgeable and steered me in the right connection - Feb 13, 2026 by Laura O.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Aetna
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: Thu, Oct 15

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·98 reviews
He is very understanding, answers all your questions & spends time discussing your issues. I’m very happy with him. by EJClick to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Aetna
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, Oct 21

Erica Shackelford, DNP

Family Nurse Practitioner
5.00
·1 review
22 mi · 46090 Lake Center Plz, Ste 104, Sterling, VA 20165
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Erica Shackelford is a highly skilled family nurse practitioner. She practices at Stoneridge Family Medicine in Sterling and Aldie, VA. Ms. Shackelford earned her doctoral degree in nursing practice from Simmons University. She takes a broad view of family healthcare, recognizing that preventiv...Click to read more
Next available: today

Juliana Samar, PA-C

Physician Assistant
5.00
·1 review
18 mi · 3903 Fair Rdg Dr, Ste 218, Fairfax, VA 22033
In-network · Aetna
Accepting new patients · Highly recommended ·
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: Wed, Sep 30

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.93
·98 reviews
Courtney is very calm and takes time to listen. Her advice is solid. - Aug 18, 2026 by Mack S.Click to read more
22 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · Aetna
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* Courtney Ngo, MSN, FNP-C, is a board-certified family nurse practitioner committed to providing patient-centered, quality care. She earned her bachelor's degree from Virginia Tech and completed her master's in nursing at The Geo...Click to read more
Next available: Thu, Sep 24

Dr. Avni Jain, MD

Family Physician
4.74
·31 reviews
16.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · Aetna
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in underactive thyroid + 4 more ·
Read bio
Avni Jain, MD, FAAFP is board-certified in family medicine and obesity medicine. She is a dedicated and compassionate physician with a passion for helping individuals and families achieve their optimal health and well-being. As a board-certified Family and Obesity Medicine specialist, she brings a u...Click to read more
Next available: Tue, Nov 10

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
28.5 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · Aetna
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: tomorrow

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
4.97
·40 reviews
Loved my initial appointment with Hannah! She listened to all of my concerns and had a plan for how to address my issues. I was provided with clear instructions and guidance before leaving and didn’t feel rushed.Click to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait time
Next available: Mon, Sep 28

Shakeela Toukhi, FNP

Family Nurse Practitioner
5.00
·17 reviews
Great job! - Sep 21, 2026 by Khalda I.Click to read more
22 mi · 13820 Smoketown Rd, Woodbridge, VA 22192
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Shakeela Toukhi is a family nurse practitioner at NOVA Patient Care in Haymarket, VA. She welcomes patients of all ages and genders with common illnesses, chronic diseases, emotional issues, and minor injuries. Ms. Toukhi understands patients' conditions, prepares personalized treatment plans, ...Click to read more
Next available: Mon, Sep 28

Heidi Poole, NP

Family Nurse Practitioner
27.5 mi · 24560 Southpoint Dr, Ste 200, Aldie, VA 20105
In-network · Aetna
Accepting new patients ·
Read bio
Heidi Poole, MSN, APRN, FNP-BC, is a Board-Certified Nurse Practitioner dedicated to providing compassionate, patient-centered care. She earned her Bachelor of Science in Nursing from Stevenson University and her Master of Science in Nursing from George Mason University. With a diverse clinical bac...Click to read more
Next available: today

Nafiseh Moez, APRN, RN, NP

Family Nurse Practitioner
4.42
·19 reviews
I felt that she spent time listening and made appropriate recommendations. by JTClick to read more
27 mi · 19465 Deerfield Ave, Ste 410, Lansdowne, VA 20176
In-network · Aetna
Also offers video visits · Accepting new patients ·
Read bio
Nafiseh Moez is a key member of the VPMC team, offering dedicated care as a Board-Certified Family Nurse Practitioner. Serving the Virginia community, her practice style is built on a strong foundation of experience in internal medicine, cardiology, and emergency care, gained in both inpatient and o...Click to read more
Next available: today

Dr. Thi Khuc, MD

Gastroenterologist
4.90
·230 reviews
Patient knowledgeable and steered me in the right connection - Feb 13, 2026 by Laura O.Click to read more
28.5 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · Aetna
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, Oct 21

Erica Shackelford, DNP

Family Nurse Practitioner
5.00
·1 review
27.5 mi · 24560 Southpoint Dr, Ste 200, Aldie, VA 20105
In-network · Aetna
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Erica Shackelford is a highly skilled family nurse practitioner. She practices at Stoneridge Family Medicine in Sterling and Aldie, VA. Ms. Shackelford earned her doctoral degree in nursing practice from Simmons University. She takes a broad view of family healthcare, recognizing that preventiv...Click to read more
Next available: Fri, Sep 25

Dr. Shaffer Mok, MD

Gastroenterologist
4.93
·41 reviews
Great visit! by AWClick to read more
38 mi · 21 Crossroads Dr, Ste 205, Owings Mills, MD 21117
In-network · Aetna
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: Wed, Sep 30

Dr. Shaffer Mok, MD

Gastroenterologist
4.93
·41 reviews
Great visit! by AWClick to read more
42.5 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · Aetna
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: today
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 found my new gynecologist thanks to zocdoc! Friendly and easy to talk to and is in network!
Clara M
Zocdoc saves me so much time I used to spend calling around to find a place that takes my insurance or finding openings with doctors on the list provided by my insurance!
Stephanie W.
Setting up the appointment on Zocdoc and being able to wait in the comfort of my bed for my Dr to see me was so much better...I HIGHLY recommend Zocdoc.
Felisha N
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 Washington who takes Aetna insurance?

On average, patients who use Zocdoc can search for a Gastroenterologist in Washington who takes Aetna insurance, 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 Washington who accept Aetna insurance and make an appointment online.

How can I find a Gastroenterologist in Washington who takes Aetna?

Zocdoc lets you search specifically for a Gastroenterologist in Washington who takes Aetna. 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 an Aetna Gastroenterologist in Washington?

Zocdoc is a free online service that helps patients find Aetna Gastroenterologists in Washington and book appointments instantly. You can search for Aetna Gastroenterologists in Washington by symptom or visit reason. 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 Washington who takes Aetna insurance?

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

How can I find an Aetna Gastroenterologist in Washington who sees patients after hours?

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

How can I find a top-rated Aetna Gastroenterologist in Washington?

You can use Zocdoc to find Aetna Gastroenterologists in Washington 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 Washington?

Gastroenterologists in Washington 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 Aetna?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Washington who accept Aetna 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 an Aetna Gastroenterologist in Washington 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 an Aetna Gastroenterologist in Washington who sees patients during the weekend?

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

Find doctors

                    Zocdoc›Gastroenterologists›Washington, DC›Aetna