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294 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 11/09/2026
Availability last updated 11/09/2026

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·218 reviews
Very friendly staff The doctor was very nice, listening and took time to explain any question I asked. - May 15, 2026Click 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 ·
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: Tue, Nov 24

Dr. Charles Obioha, MD

Gastroenterologist
4.31
·451 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: today

Dr. Raymond Richhart, MD

Gastroenterologist
5.00
·35 reviews
Dr Richhart is wonderful. He took time to listen to my concerns and patiently explained the possible causes and next steps for evaluation and treatment. by ZGClick 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
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, Nov 18

Dr. Mirabel Alumba, NP, CRNP, DNP

Family Nurse Practitioner
4.11
·57 reviews
The staff are very friendly. If you are on medications and need a refill and a check up, this is the place to go. - Nov 5, 2021 by Ronnie R.Click to read more
26.5 mi · 10230 New Hampshire Ave, Ste 340, Silver Spring, MD 20903
In-network · UnitedHealthcare
Accepting new patients
Next available: today

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
4.98
·41 reviews
My nurse practitioner was a very good listener and the medical assistant also took my vitals before I saw the NP. - Sep 21, 2026 by lizabeth S.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: Mon, Nov 16

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·218 reviews
Very friendly staff The doctor was very nice, listening and took time to explain any question I asked. - May 15, 2026Click 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 ·
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: Fri, Nov 13

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.95
·20 reviews
She was very kind, she explained everything very well and knowledgeable very very caring. - Oct 6, 2026 by Tracey W.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
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. Shaffer Mok, MD

Gastroenterologist
4.83
·48 reviews
V. informative and professional. Clearly described treatment plan and next steps. Made sure I didn’t have any additional questions. by IFClick 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: Wed, Nov 11

Dr. Eduardo Castillo, MD

Gastroenterologist
4.88
·243 reviews
Caring, very knowledgeable, professional doctor with great bedside manner. I highly recommend Dr.Castillo. - Jun 23, 2022 by Robert 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 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. Shaffer Mok, MD

Gastroenterologist
4.83
·48 reviews
V. informative and professional. Clearly described treatment plan and next steps. Made sure I didn’t have any additional questions. by IFClick 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: Mon, Nov 16

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.82
·319 reviews
All of my needs were addressed with nurturing and educating - Feb 3, 2023 by Dax A.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: Mon, Nov 16

Dr. Jennie Zhang, DO

Gastroenterologist
4.70
·40 reviews
Dr Zhang is an excellent doctor with a good manner in communication. - Sep 18, 2025 by mengda S.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: tomorrow

Dr. Neha Rajpal, MD

Gastroenterologist
4.90
·40 reviews
Very professional and friendly. Dr Richhart was very helpful and explaining everything. by YMClick 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
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: Mon, Nov 30

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew K.Click to read more
30 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
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: Mon, Dec 7

Dr. Dhruv Lowe, MD

Gastroenterologist
4.87
·435 reviews
10/10 recommend friendly staff and they get straight to the point. - Nov 3, 2025 by Gerson F.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, Nov 12

Dr. Elizabeth Obi, DNP, CRNP

Family Nurse Practitioner (Virtual)
4.14
·895 reviews
Nurses were very kind and the nursing assistant rocked! Thank you - Aug 18, 2022Click to read more
Silver Spring, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
Dr. Elizabeth Obi, DNP, has acquired more than 20 years of professional experience. She earned her Doctor of Nursing Practice from Chamberlain University and completed her Family Nursing education at Mountain State University. At Washington Medical Clinic LLC, we care for children, adults, and the e...Click to read more
Next available: Wed, Nov 18

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·432 reviews
Perfect! I wish all doctors were this fast, clear, honest. - Mar 30, 2023 by Rachel G.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: Mon, Nov 16

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·309 reviews
The doctor was super patience and nice! She explained the procedure very carefully and answered my questions throughly. - Mar 22, 2024Click 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: Mon, Nov 16

Dr. Rushi Talati, MD

Gastroenterologist
4.93
·107 reviews
Fantastic! Great doctor not a pill pusher and showed me sincere concern. - Jun 20, 2026 by Thomas M.Click to read more
33.5 mi · 5622 Shields Dr, Bethesda, MD 20817
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: Mon, Nov 16

Juhee Bong, FNP-C

Family Nurse Practitioner
4.00
·5 reviews
I thought the appointment was at 1:00, I showed up at 12:30, it wasn't until 4:45! They were able to get me in by 2:00 even though it was my mistake arriving so early. lVery nice! - Oct 1, 2026 by Sherrilynne H.Click to read more
28 mi · 315 H St NE, Ste A, Washington, DC 20002
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
June Bong, MSN, FNP-C, is a board-certified Family Nurse Practitioner with experience in primary care, preventive medicine, and chronic disease management. She is passionate about building meaningful relationships with her patients and helping them feel comfortable, heard, and supported throughout t...Click to read more
Next available: Thu, Nov 12

Dr. Farzin Rashti, MD

Gastroenterologist
4.90
·554 reviews
Exceptional! I loved the atmosphere, and the kindness of everyone. - Feb 24, 2023 by Dorothy D.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, Nov 19

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew K.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, Nov 18

Dr. Rushi Talati, MD

Gastroenterologist
4.93
·107 reviews
Fantastic! Great doctor not a pill pusher and showed me sincere concern. - Jun 20, 2026 by Thomas M.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 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

Alison Kingcade, APRN

Family Nurse Practitioner
28 mi · 10750 Columbia Pike, Ste 700, Silver Spring, MD 20901
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Alison "Ally" Kingcade, MSN, APRN, FNP-C, is a board-certified Family Nurse Practitioner through the American Academy of Nurse Practitioners (AANP) who completed her graduate nursing program at the University of Delaware School of Nursing and earned her bachelor’s degree in nursing at Delaware State...Click to read more
Next available: Mon, Nov 16

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
4.98
·41 reviews
My nurse practitioner was a very good listener and the medical assistant also took my vitals before I saw the NP. - Sep 21, 2026 by lizabeth S.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, Nov 18

Dr. Jennie Zhang, DO

Gastroenterologist
4.70
·40 reviews
Dr Zhang is an excellent doctor with a good manner in communication. - Sep 18, 2025 by mengda S.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, Dec 2

Dr. Raymond Richhart, MD

Gastroenterologist
5.00
·35 reviews
Dr Richhart is wonderful. He took time to listen to my concerns and patiently explained the possible causes and next steps for evaluation and treatment. by ZGClick to read more
33.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
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. Neha Rajpal, MD

Gastroenterologist
4.90
·40 reviews
Very professional and friendly. Dr Richhart was very helpful and explaining everything. by YMClick to read more
33.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
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

Shumuel Ofosu-Koranteng, PA-C

Physician Assistant
5.00
·2 reviews
28.5 mi · 811 2nd St SE, Ste 100, Washington,, DC 20003
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Shumuel Ofosu-Koranteng is a skilled Physician Assistant at CloseKnit.Click to read more
Next available: Sun, Nov 22

Dr. Kirsti Campbell, MD

Gastroenterologist
4.88
·75 reviews
The staff and Doctor were exceptionally welcoming and helpful/informative. by JKClick to read more
35 mi · 4660 Kenmore Ave, Ste 810, Alexandria, VA 22304
In-network · UnitedHealthcare
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: Thu, Dec 3

Jamee Searchwell, PA-C

Physician Assistant
28 mi · 315 H St NE, Ste A, Washington, DC 20002
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Jamee Searchwell is a skilled Physician Assistant at CloseKnit.Click to read more
Next available: Sun, Dec 13

Dr. Tejinder Kaur, MD

Family Physician
4.79
·19 reviews
My first visit and I was impressed how thorough and thoughtful dr was. - Oct 5, 2026 by Helen T.Click to read more
30.5 mi · 900 Kenilworth Dr, Towson, MD 21204
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Tejinder Kaur is a family medicine physician dedicated to providing compassionate, patient-centered care throughout all stages of life. She recently completed her Family Medicine residency at Rutgers Robert Wood Johnson Medical School–CentraState Medical Center and has experience caring for pati...Click to read more
Next available: Thu, Nov 12

Dr. Raymond Richhart, MD

Gastroenterologist
5.00
·35 reviews
Dr Richhart is wonderful. He took time to listen to my concerns and patiently explained the possible causes and next steps for evaluation and treatment. by ZGClick to read more
38.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
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: tomorrow

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.95
·20 reviews
She was very kind, she explained everything very well and knowledgeable very very caring. - Oct 6, 2026 by Tracey W.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: Tue, Nov 17

Dr. Sacari Thomas-Mohamed, MD

Family Physician
4.78
·107 reviews
Great bedside manner. Very friendly and attentive. I was happy that I chose her and I am excited to be a new patient. - Oct 21, 2026 by Jennifer O.Click to read more
29 mi · 8455 Colesville Rd, Ste 1125, Silver Spring, MD 20910
In-network · UnitedHealthcare
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, Dec 2

Dr. Jennie Zhang, DO

Gastroenterologist
4.70
·40 reviews
Dr Zhang is an excellent doctor with a good manner in communication. - Sep 18, 2025 by mengda S.Click to read more
38.5 mi · 15225 Shady Grove Rd,, Ste 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: Fri, Nov 13

Dr. Monica Passi, MD

Gastroenterologist
4.83
·121 reviews
Dr. Passi listens to her patients and guides them on the path to health. - Jul 8, 2026Click to read more
38.5 mi · 15225 Shady Grove Rd,, Ste 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, Nov 16

Dr. Neha Rajpal, MD

Gastroenterologist
4.90
·40 reviews
Very professional and friendly. Dr Richhart was very helpful and explaining everything. by YMClick to read more
38.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
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. Rushi Talati, MD

Gastroenterologist
4.93
·107 reviews
Fantastic! Great doctor not a pill pusher and showed me sincere concern. - Jun 20, 2026 by Thomas M.Click to read more
38.5 mi · 15225 Shady Grove Rd,, Ste 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: Thu, Nov 19

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew K.Click to read more
38.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
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: Fri, Nov 20

Dr. Dhruv Lowe, MD

Gastroenterologist
4.87
·435 reviews
10/10 recommend friendly staff and they get straight to the point. - Nov 3, 2025 by Gerson F.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: Tue, Nov 24

Rashawnda Thompson, CRNP

Family Nurse Practitioner
33.5 mi · 11119 Rockville Pike, Ste 207, Rockville, MD 20852
In-network · UnitedHealthcare
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. Jennie Zhang, DO

Gastroenterologist
4.70
·40 reviews
Dr Zhang is an excellent doctor with a good manner in communication. - Sep 18, 2025 by mengda S.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: Fri, Dec 4

Dr. Robert Byrne, MD

Gastroenterologist
4.66
·71 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew K.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, Dec 3

Dr. Dabo Xu, MD

Gastroenterologist
4.82
·432 reviews
Perfect! I wish all doctors were this fast, clear, honest. - Mar 30, 2023 by Rachel G.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, Dec 7

Rashawnda Thompson, CRNP

Family Nurse Practitioner (Virtual)
Rockville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
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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

Deidre Ann Fisher, FNP

Family Nurse Practitioner
5.00
·7 reviews
I had such a great experience with Deidre Fisher! She is an incredible listener and makes you feel genuinely heard and comfortable throughout the entire appointment. She never makes you feel rushed and takes the time to explain everything thoroughly, making sure you understand what’s going on. I als...Click 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 ·
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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

Liana Baker, PA-C

Physician Assistant
4.62
·86 reviews
Dr. Baker has been wonderful, she listens and makes me feel heard. Highly compassionate provider. Thank you for everything! by CJClick to read more
40.5 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Excellent wait time ·
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Ms. Liana Baker is a physician assistant at Ace Primary Care in Fairfax, VA. She also offers virtual care. She accepts patients with common illnesses, chronic diseases, and minor injuries. Ms. Baker understands patients' conditions and prepares individualized treatment plans. In addition to writing...Click to read more
Next available: today

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
39.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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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

Yuna Ha, NP

Nurse Practitioner
40.5 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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Yuna is a board-certified Family Nurse Practitioner dedicated to delivering comprehensive, patient-centered primary care at Ace Primary Care in Fairfax, VA. She earned her Bachelor of Science in Nursing from the University of Oklahoma and her Master of Science in Nursing from Georgetown University....Click to read more
Next available: today

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.95
·20 reviews
She was very kind, she explained everything very well and knowledgeable very very caring. - Oct 6, 2026 by Tracey W.Click to read more
38.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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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, Nov 11

Dana Collins, NP

Nurse Practitioner
4.91
·292 reviews
I had a GREAT first time experience! I felt very comfortable anf was greeted with friendliness and sincerity. - Jan 29, 2024 by Nadira S.Click 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 ·
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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, Jan 7

Dr. Simmi Singh, MD

Internist
42.5 mi · 9401 Lee Hwy, Ste 302, Fairfax, VA 22031
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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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: tomorrow

Charlyn Tupaz, NP

Adult Nurse Practitioner
5.00
·8 reviews
Fantastic doctor. I was so pleased with my virtual visit at Ace Primary Care. I will recommend to all of my friends and family. Thanks again! by SJClick to read more
40.5 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
In-network · UnitedHealthcare
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: Mon, Nov 16

Dr. Stella Morden, PhD

Family Nurse Practitioner
40.5 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Ella Morden, PhD, NP-C, is a nationally certified, state-licensed nurse practitioner with more than 15 years of clinical experience. After completing her master’s degree, she continued her education and earned a PhD. Ella’s approach to care begins with empathy, attentive listening, and respect for ...Click to read more
Next available: Mon, Nov 23
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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.

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