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 1,000 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+)
258 verified UnitedHealthcare Gastroenterologists in Annapolis, MD
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 08/07/2026
Availability last updated 08/07/2026

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.83
·306 reviews
Dr Rosenbloom is very kind. He listens and makes very reasonable suggestions. - Jun 27, 2025 by Jennifer E.Click to read more
31 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · UnitedHealthcare
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: Thu, Aug 13

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·31 reviews
The place was easy to find. Staff was friendly and welcoming. The office was clean and organized. I loved the dr I saw! She listened, answered all of my questions, and set me up with next steps. - May 2, 2026 by Richelle D.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Fri, Aug 21

Dr. Shaffer Mok, MD

Gastroenterologist
4.91
·35 reviews
Great visit! by AWClick to read more
31 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · UnitedHealthcare
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, Aug 14

Dr. Shaffer Mok, MD

Gastroenterologist
4.91
·35 reviews
Great visit! by AWClick to read more
32 mi · 21 Crossroads Dr, Ste 205, Owings Mills, MD 21117
In-network · UnitedHealthcare
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: Mon, Aug 10

Dr. Charles Obioha, MD

Gastroenterologist
4.32
·444 reviews
The wait was long but the dr and his staff were VERY nice and informative by Chanel W.Click to read more
33.5 mi · 11400 Rockville Pike, Ste 108, Rockville, MD 20852
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in gastroenteritis + 2 more ·
Read bio
When booking an appointment please make sure to indicate your insurance, provider, plan, and ID number available to enter. Thank you! Please note there are charges associated with cancellations made after 24 hours of initial booking. Please ensure that you are ready to be seen before confirmation of...Click to read more
Next available: Mon, Aug 10

Dr. Jennie Zhang, DO

Gastroenterologist
4.65
·34 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
33.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
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, Aug 11

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Amazing dr he's is very clear on his explanation of tings - Jan 22, 2026 by William M.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
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, Aug 12

Dr. Jennie Zhang, DO

Gastroenterologist
4.65
·34 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
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
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, Aug 12

Dr. Farzin Rashti, MD

Gastroenterologist
4.91
·540 reviews
My 1st time visit was excellent great staff Dr was a good listener and yes I would recommend him to friends - Dec 5, 2022 by Loretta J.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
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, Aug 13

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·426 reviews
Dr Lowe was professional, knowledgeable and overall great..!!!! - Apr 2, 2025 by milorad L.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Thu, Aug 13

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·426 reviews
Great doc, excellent communication regarding my diagnosis and made me feel at ease. - May 13, 2024 by Luke B.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Fri, Aug 14

Dr. Janaki Kuruppu, MD

Internist
3.64
·11 reviews
I immediately called family and friends about my experience. The doctor and staff were welcoming and friendly. The doctor made the experience both personable and professional making me feel completely relaxed and comfortable. - Jun 12, 2026 by Harold C.Click to read more
27.5 mi · 10801 Lockwood Dr, Ste 160, Silver Spring, MD 20901
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience ·
Read bio
Dr. Janaki Kuruppu is a dedicated and well-trained internist and primary care doctor. She currently offers consultations at Kelly Collaborative Medicine in Silver Spring, MD. She also offers virtual consultations. Dr. Kuruppu is dedicated to improving the overall well-being of all her patients. She...Click to read more
Next available: Mon, Aug 10

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·31 reviews
The place was easy to find. Staff was friendly and welcoming. The office was clean and organized. I loved the dr I saw! She listened, answered all of my questions, and set me up with next steps. - May 2, 2026 by Richelle D.Click to read more
27.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Wed, Aug 12

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·94 reviews
Dr. Talati was very professional. He explained what the expectations were. He made my visit easy. Thank you! by TWClick to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
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, Aug 18

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·300 reviews
Very friendly staff. Doctor and PA listened and made me feel very comfortable. - Oct 3, 2022Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
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, Aug 21

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Amazing dr he's is very clear on his explanation of tings - Jan 22, 2026 by William M.Click to read more
33.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
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, Aug 26

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·233 reviews
The staff was very knowledgeable and pleasant. Dr. Castillo was very pleasant, professional, informative, and engaging. - Jun 8, 2023 by John R.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
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 1

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.64
·14 reviews
I enjoyed my visit. Dr. Rai is very patient, informative, caring and helpful. I love my doctor. by DRClick to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
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 1

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.90
·10 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
30 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · UnitedHealthcare
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: Wed, Aug 26

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·94 reviews
Dr. Talati was very professional. He explained what the expectations were. He made my visit easy. Thank you! by TWClick to read more
38.5 mi · 15225 Shady Grove Rd,, Suite 304, Rockville, MD 20850
In-network · UnitedHealthcare
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: Fri, Aug 14

Dr. Jennie Zhang, DO

Gastroenterologist
4.65
·34 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
38.5 mi · 15225 Shady Grove Rd,, Suite 304, Rockville, MD 20850
In-network · UnitedHealthcare
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: Mon, Aug 24

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·426 reviews
Dr Lowe was professional, knowledgeable and overall great..!!!! - Apr 2, 2025 by milorad L.Click to read more
38.5 mi · 15225 Shady Grove Rd,, Suite 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Mon, Aug 31

Dr. Monica Passi, MD

Gastroenterologist
4.84
·102 reviews
The overall trip was a good experience. The dr listen to me and developed a treatment plan - Apr 23, 2026 by Johnnie W.Click to read more
38.5 mi · 15225 Shady Grove Rd,, Suite 304, Rockville, MD 20850
In-network · UnitedHealthcare
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, Aug 31

Dr. Jennie Zhang, DO

Gastroenterologist
4.65
·34 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
40.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
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, Aug 18

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Amazing dr he's is very clear on his explanation of tings - Jan 22, 2026 by William M.Click to read more
40.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
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, Aug 20

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·426 reviews
Dr Lowe was professional, knowledgeable and overall great..!!!! - Apr 2, 2025 by milorad L.Click to read more
40.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Mon, Aug 24

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·426 reviews
Great doc, excellent communication regarding my diagnosis and made me feel at ease. - May 13, 2024 by Luke B.Click to read more
40.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Mon, Aug 31

Dana Collins, NP

Nurse Practitioner
4.92
·283 reviews
Amazing staff reaching primary care excellent service by LBClick to read more
35 mi · 50 Scott Adam Rd, Ste 102, Cockeysville, MD 21030
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
In addition to my practice at Resilience Healthcare, I teach nursing students at Bowie State University. I have spent the last 20 years providing urgent care and ER services at Providence Hospital Washington DC, Laurel Regional Hospital, MD, and the Washington Hospital Center. I have also worked ov...Click to read more
Next available: Thu, Sep 3

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.90
·10 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
38.5 mi · 15225 Shady Grove Rd,, Suite 304, Rockville, MD 20850
In-network · UnitedHealthcare
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: Tue, Aug 11

Christina Sasselli, NP

Nurse Practitioner
39.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients ·
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: Mon, Aug 10

James Amara, NP, APRN

Family Nurse Practitioner (Virtual)
Gaithersburg, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
James Amara, FNP-BC is a board-certified Family Nurse Practitioner providing modern, patient-centered telehealth care. His practice focuses on primary care, kidney health, blood pressure management, and weight loss, helping patients manage both acute concerns and chronic conditions effectively. Wit...Click to read more
Next available: Sat, Aug 15

Deidre Ann Fisher, FNP

Family Nurse Practitioner
5.00
·2 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
39.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
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: Thu, Aug 13

Dr. Avni Jain, MD

Family Physician
5.00
·2 reviews
39.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
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, Oct 6

Dr. Lance Lasner, MD

Gastroenterologist
4.82
·28 reviews
Dr. Lance Lasner made me feel comfortable in a way that’s hard to put into words—and that feeling stayed with me after the appointment... From the start, I felt safe and looked after. The stress I walked in with didn’t just “ease up”—it faded, because he has a reassuring presence and a way of caring...Click to read more
52.5 mi · 5651 Stone Rd, Centreville,, VA 20120
In-network · UnitedHealthcare
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: Tue, Aug 11

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.93
·83 reviews
Courtney Ngo, NP, is excellent. She is knowledgeable, patient, and takes the time to truly listen to concerns without rushing appointments. She explains things clearly and makes sure you understand your care plan. Her friendly and compassionate approach made my visit feel comfortable and reassured. ...Click to read more
49 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · UnitedHealthcare
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: Tue, Aug 11

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.93
·74 reviews
Superior bedside manner. Definitely a welcoming, comforting, supportive place. - Aug 3, 2025Click to read more
49 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · UnitedHealthcare
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: Tue, Aug 11

Nafiseh Moez, APRN, RN, NP

Family Nurse Practitioner
4.39
·18 reviews
I felt that she spent time listening and made appropriate recommendations. by JTClick to read more
53.5 mi · 19465 Deerfield Ave, Ste 410, Lansdowne, VA 20176
In-network · UnitedHealthcare
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: Tue, Aug 11

Fikirta Forrester, NP

Nurse Practitioner (Virtual)
5.00
·4 reviews
I had a very positive experience with Fikirta Forrester, NP. From the beginning, she was attentive, respectful, and took the time to really listen to my concerns without rushing the appointment. She explained everything clearly and made sure I understood which made me feel supported and cared for ...Click to read more
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in chronic diabetes + 1 more ·
Read bio
Fikirta B Forrester is a native Annapolitan and has one daughter. She has been a Family Nurse Practitioner for over 12 years. She enjoys working with underserved and uninsured patients. She is a proud member of American Academy of Nurse Practitioners and A Delta Sigma Theta, Inc. member since 2020. ...Click to read more
Next available: Tue, Aug 11

Mary Johnson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·44 reviews
My visit was great. This was my first time using a virtual provider and she was extremely thorough, helpful, and made me feel comfortable. We have a clear plan of action and I’m confident in our communication. - Feb 17, 2026 by Abigail B.Click to read more
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Mary Johnson sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Mary Johnson is a nurse practitioner ...Click to read more
Next available: Tue, Aug 11

Sarah Proffit, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.96
·27 reviews
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Sarah Profitt sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Sarah Profitt is a certified registe...Click to read more
Next available: Mon, Aug 17

Brendon Bower, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·41 reviews
Was great at walking through the problem, discuss options and finding the right solutions.Click to read more
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Brendon Bower sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Brendon Bower is a board-certified n...Click to read more
Next available: Mon, Aug 17

Dr. Farzin Rashti, MD

Gastroenterologist
4.91
·540 reviews
My 1st time visit was excellent great staff Dr was a good listener and yes I would recommend him to friends - Dec 5, 2022 by Loretta J.Click to read more
1.5 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
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

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.64
·14 reviews
I enjoyed my visit. Dr. Rai is very patient, informative, caring and helpful. I love my doctor. by DRClick to read more
1.5 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
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

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·426 reviews
Dr Lowe was professional, knowledgeable and overall great..!!!! - Apr 2, 2025 by milorad L.Click to read more
1.5 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more

Emily Ohland, PA-C

Physician Assistant (Gastroenterology)
4.56
·9 reviews
1.5 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients

Monica Lovins, NP

Nurse Practitioner (Gastroenterology)
4.78
·18 reviews
1.5 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time

Dr. Thi Khuc, MD

Gastroenterologist
4.90
·229 reviews
She was amazing and highly recommended. Very knowledgeable and patient on breaking information down to patients. Very kind - Jul 18, 2024 by Ana A.Click to read more
23 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · UnitedHealthcare
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

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.64
·14 reviews
I enjoyed my visit. Dr. Rai is very patient, informative, caring and helpful. I love my doctor. by DRClick to read more
23 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · UnitedHealthcare
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

Dr. Monica Passi, MD

Gastroenterologist
4.84
·102 reviews
The overall trip was a good experience. The dr listen to me and developed a treatment plan - Apr 23, 2026 by Johnnie W.Click to read more
23.5 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
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

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·426 reviews
Great doc, excellent communication regarding my diagnosis and made me feel at ease. - May 13, 2024 by Luke B.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·233 reviews
The staff was very knowledgeable and pleasant. Dr. Castillo was very pleasant, professional, informative, and engaging. - Jun 8, 2023 by John R.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
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

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·212 reviews
Friendly staff, Dr‘s bedside manner was fantastic. Very thorough and did not rush through the visit. - Aug 5, 2026 by Delia G.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
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

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·426 reviews
Dr Lowe was professional, knowledgeable and overall great..!!!! - Apr 2, 2025 by milorad L.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more

Dr. Monica Passi, MD

Gastroenterologist
4.84
·102 reviews
The overall trip was a good experience. The dr listen to me and developed a treatment plan - Apr 23, 2026 by Johnnie W.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
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

Dr. Farzin Rashti, MD

Gastroenterologist
4.91
·540 reviews
My 1st time visit was excellent great staff Dr was a good listener and yes I would recommend him to friends - Dec 5, 2022 by Loretta J.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
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
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
Made my life so much easier. As someone with chronic health conditions, Zocdoc makes it easy for me to build my medical team and keep track of everything!!
Rachel C
Zocdoc is the best. The NP, I believe, was very knowledgeable and very proficient. I totally recommend Zocdoc to my friends. Thank you, Zocdoc!
Michelle C
Easy same day appointment and was able to pick up my prescription within an hour of finishing my visit. Highly recommend
Jordan M
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 Annapolis who takes UnitedHealthcare insurance?

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

How can I find a Gastroenterologist in Annapolis who takes UnitedHealthcare?

Zocdoc lets you search specifically for a Gastroenterologist in Annapolis who takes UnitedHealthcare. 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 UnitedHealthcare Gastroenterologist in Annapolis?

Zocdoc is a free online service that helps patients find UnitedHealthcare Gastroenterologists in Annapolis and book appointments instantly. You can search for UnitedHealthcare Gastroenterologists in Annapolis 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 Annapolis who takes UnitedHealthcare insurance?

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

How can I find a UnitedHealthcare Gastroenterologist in Annapolis who sees patients after hours?

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

How can I find a top-rated UnitedHealthcare Gastroenterologist in Annapolis?

You can use Zocdoc to find UnitedHealthcare Gastroenterologists in Annapolis 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 Annapolis?

Gastroenterologists in Annapolis 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 UnitedHealthcare?

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

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

Find doctors