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207 verified UnitedHealthcare 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 06/28/2026
Availability last updated 06/28/2026

Dr. Shaffer Mok, MD

Gastroenterologist
4.88
·26 reviews
Knows what he is talking about. Funny and charming. Easy going by GPClick to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · 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, Jul 1

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·204 reviews
Dr. Mamunes was great. He took the time to listen to me, address all concerns, and put me at ease. - May 21, 2025 by Michelle Z.Click to read more
22 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
Next available: Wed, Jul 1

Dr. Urooj Ahmed, MD

Gastroenterologist
4.37
·35 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 · UnitedHealthcare
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, Jul 2

Dr. Farzin Rashti, MD

Gastroenterologist
4.92
·533 reviews
Exceptional! I loved the atmosphere, and the kindness of everyone. - Feb 24, 2023 by Dorothy D.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, 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
Next available: Mon, Jul 6

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.83
·303 reviews
Dr Rosenbloom is very kind. He listens and makes very reasonable suggestions. - Jun 27, 2025 by Jennifer E.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
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: Tue, Jul 7

Dr. Avni Jain, MD

Family Physician
5.00
·1 review
16.5 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: Thu, Jul 2

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·417 reviews
Dr. Lowe was great! He found a solution quickly. His office is nice and staff is welcoming!Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Fri, Jul 10

Dr. Thi Khuc, MD

Gastroenterologist
4.89
·226 reviews
The doctor was great very informative very through very easy to talk to. - Oct 28, 2023 by Regina O.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
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
Next available: Mon, Jul 13

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·227 reviews
We would definitely refer our family and friends to Dr. Castillo - absolutely excellent interaction.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
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: Wed, Jul 15

Dr. Pia Prakash, MD

Gastroenterologist
4.82
·297 reviews
Doctor was an amazing listener and put me at ease right away. - Sep 11, 2023 by Julia R.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
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: Tue, Jul 21

Dr. Thi Khuc, MD

Gastroenterologist
4.89
·226 reviews
The doctor was great very informative very through very easy to talk to. - Oct 28, 2023 by Regina O.Click to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
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
Next available: Tue, Jul 21

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.92
·71 reviews
I had a fantastic first experience at Northern Virginia Gastroentrology. Office staff was professionally friendly, quite helpful and knowledgeable. Provider was excellent in listening to my concerns and offering compassion and support through each phase of my visit. I enthusiastically recommend y...Click to read more
22 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: tomorrow

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.86
·7 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
20 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · 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, Jul 7

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.94
·64 reviews
Very knowledgeable staff that answered all my questions, nice welcoming girl on the front desk - May 21, 2026 by Anna R.Click to read more
22 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: tomorrow

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·29 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 · UnitedHealthcare
Accepting new patients · Highly recommended
Next available: tomorrow

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
27 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, Jun 30

Dr. Shaffer Mok, MD

Gastroenterologist
4.88
·26 reviews
Knows what he is talking about. Funny and charming. Easy going by GPClick to read more
38 mi · 21 Crossroads Dr, Ste 205, Owings Mills, MD 21117
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · 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: Tue, Jun 30

Dr. Shaffer Mok, MD

Gastroenterologist
4.88
·26 reviews
Knows what he is talking about. Funny and charming. Easy going by GPClick to read more
42.5 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · 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, Jul 2

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·204 reviews
Dr. Mamunes was great. He took the time to listen to me, address all concerns, and put me at ease. - May 21, 2025 by Michelle Z.Click to read more
42.5 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: Thu, Jul 2

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.83
·303 reviews
Dr Rosenbloom is very kind. He listens and makes very reasonable suggestions. - Jun 27, 2025 by Jennifer E.Click to read more
42.5 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, Jul 9

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·204 reviews
Dr. Mamunes was great. He took the time to listen to me, address all concerns, and put me at ease. - May 21, 2025 by Michelle Z.Click to read more
45.5 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, Jun 30

Dr. Shaffer Mok, MD

Gastroenterologist
4.88
·26 reviews
Knows what he is talking about. Funny and charming. Easy going by GPClick to read more
45.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · 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: Tue, Jul 14

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·29 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
45.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended
Next available: Tue, Jun 30

Dr. Han Ton-That, MD

Gastroenterologist
4.75
·289 reviews
Dr. Ton-That is an excellent doctor. He is very knowledgable and I trust his judgment. - Feb 18, 2020 by Steve A.Click to read more
6.5 mi · 6305 Castle Place, Ste 1-A, Falls Church, VA 22044
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in chronic indigestion without clear cause + 2 more ·
Read bio
Han Ton-That is an attentive and precise gastroenterologist serving his patients in Falls Church, VA. Dr. Ton-That is certified by the American Board of Gastroenterology, and he is a member of the American Society for Gastrointestinal Endoscopy and the American Gastroenterological Association. Dr....Click to read more

Dr. Jennie Zhang, DO

Gastroenterologist
4.61
·31 reviews
Perfect place for gastric problems, the way they treated to patients it’s absolutely pleasure - Jun 17, 2026 by Sisindri K.Click to read more
8 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
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

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.62
·13 reviews
I enjoyed my visit. Dr. Rai is very patient, informative, caring and helpful. I love my doctor. by DRClick to read more
8 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

Ji Soo (Claire) Choi, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.97
·38 reviews
Claire is highly intelligent and a great provider. She is thoughtful, listens and is very knowledgeable about gastrointestinal issues. I strongly recommend going to Claire. - Mar 5, 2026 by Domenic T.Click to read more
Washington, DC
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ji Soo (Claire) 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. Ji Soo (Claire) Choi is an experie...Click to read more

Dr. Jennie Zhang, DO

Gastroenterologist
4.61
·31 reviews
Perfect place for gastric problems, the way they treated to patients it’s absolutely pleasure - Jun 17, 2026 by Sisindri K.Click to read more
9 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

Dr. Pia Prakash, MD

Gastroenterologist
4.82
·297 reviews
Doctor was an amazing listener and put me at ease right away. - Sep 11, 2023 by Julia R.Click to read more
9 mi · 5622 Shields Dr, Bethesda, MD 20817
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

Dr. Robert Byrne, MD

Gastroenterologist
4.65
·65 reviews
Dr. Byrne is a great listener and communicates very well - Mar 19, 2026 by Andrew J.Click to read more
9 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

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·417 reviews
Dr. Lowe was great! He found a solution quickly. His office is nice and staff is welcoming!Click to read more
9 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more

Dr. Jennie Zhang, DO

Gastroenterologist
4.61
·31 reviews
Perfect place for gastric problems, the way they treated to patients it’s absolutely pleasure - Jun 17, 2026 by Sisindri K.Click to read more
9 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
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

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·422 reviews
Dr. Xu was great. Explained everything clearly. He was also compassionate and it felt like he cared about my well-being. by Jennifer C.Click to read more
9 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·417 reviews
Dr. Lowe was great! He found a solution quickly. His office is nice and staff is welcoming!Click to read more
9 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more

Dr. Khalid Alkimawi, MD, FACP

Gastroenterologist
4.58
·43 reviews
Very nice office, lots of comfort and quality. Great staff, highly recommend. - Apr 10, 2025 by Tyler S.Click to read more
13 mi · 2557 Chain Bridge Rd, Vienna, VA 22181
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
**DISCLAIMER: After scheduling, you will receive intake forms via your patient portal or email. Prompt completion and submission of these documents is required. This step is essential for our clinical team to complete the necessary preparations for your appointment and to ensure your visit begins on...Click to read more

Dr. Khalid Alkimawi, MD, FACP

Gastroenterologist
4.58
·43 reviews
Very nice office, lots of comfort and quality. Great staff, highly recommend. - Apr 10, 2025 by Tyler S.Click to read more
13 mi · 2557 Chain Bridge Rd, Vienna, VA 22181
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Excellent wait time · Expertise in upper gi endoscopy + 1 more ·
Read bio
**DISCLAIMER: After scheduling, you will receive intake forms via your patient portal or email. Prompt completion and submission of these documents is required. This step is essential for our clinical team to complete the necessary preparations for your appointment and to ensure your visit begins on...Click to read more

Dr. Bridgette Provost, MD

Internist
5.00
·3 reviews
7 mi · 7137 Arlington Rd, Bethesda, MD 20814
In-network · UnitedHealthcare
Accepting new patients · 16 years of experience · Highly recommended · Excellent wait time ·
Read bio
Dr. Bridgette C. Provost is a highly accomplished physician with a diverse background in multiple medical specialties, focusing on integrative medicine and holistic care. She is dedicated to providing comprehensive health care and addressing health disparities. Driven by a passion for improving heal...Click to read more

Carlos Olivares, RN, APRN

Family Nurse Practitioner
4.67
·15 reviews
7 mi · 7137 Arlington Rd, Bethesda, MD 20814
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Carlos Olivares, NP, earned his Bachelors of Science in Nursing from Kaplan University in 2012 and then went on to complete his Master's of Science in Nursing from Bowie State University in 2015. His experience as a family nurse practitioner includes emergency and urgent care as well as family healt...Click to read more

Kelly Bates, APRN

Family Nurse Practitioner
5.00
·6 reviews
I now consider Ms. Bates to be my regular health practitioner. She’s a credit to the industry & a lovely person! - Jul 15, 2024 by Michelle K.Click to read more
7 mi · 8700 Georgia Ave, Ste 400, Silver Spring, MD 20910
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in acute urinary tract infection + 1 more ·
Read bio
Kelly W. Bates, DNP, FNP-BC, is a board certified Family Nurse Practitioner and a member of American Academy of Nurse Practitioners. Bates began her nursing education at Johns Hopkins School of Nursing and then went on to earn her Doctor of Nursing Practice degree at University of North Carolina at ...Click to read more

Dr. Ifechukwude Ikem, MD

Primary Care Doctor
5.00
·34 reviews
Dr. Ikem was very nice and attentive. I was a new patient and she addressed all of my concerns! - Apr 2, 2024 by Shalonta B.Click to read more
7 mi · 8700 Georgia Ave, Ste 400, Silver Spring, MD 20910
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ifechukwude (Iffie) Ikem, MD is a primary care physician specializing in Family and Social Medicine, recognized for her unwavering commitment to advancing healthcare. She completed her residency in Family and Social Medicine at Montefiore Medical Center-Albert Einstein School of Medicine, following ...Click to read more

Xinna Yi, APRN, RN, NP

Nurse Practitioner (Gastroenterology)
5.00
·1 review
8 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Xinna Yi is a board-certified Family Nurse Practitioner with a Master of Science in Nursing from Wilkes University, which she completed in 2023. She brings a wealth of experience from her work in a family practice clinic and her previous role as a registered nurse specializing in cardiology. Before ...Click to read more

Dr. Kathryn Kelly, MD

Internist
4.85
·1156 reviews
Dr. Kelly was very compassionate and practiced patience with her patient. She even made me laugh when I was crying. - Jun 16, 2017 by Sarah L.Click to read more
9.5 mi · 10801 Lockwood Dr, Ste 160, Silver Spring, MD 20901
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 19 years of experience · Highly recommended · Excellent wait time · Expertise in insomnia + 9 more ·
Read bio
Dr. Kathryn Kelly is a board-certified Internal Medicine Physician who has worked in the Washington, DC, area for five years after completing her National Health Service Corp obligation in Albany, Georgia. Dr. Kelly received her undergraduate degrees from Howard University with a Bachelor of Scie...Click to read more

Dr. Robert Byrne, MD

Gastroenterologist
4.65
·65 reviews
Dr. Byrne is a great listener and communicates very well - Mar 19, 2026 by Andrew J.Click to read more
16.5 mi · 15255 Shady Grove Rd, Suite 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

Dr. Monica Passi, MD

Gastroenterologist
4.83
·96 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
16.5 mi · 15255 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

Dr. Jennie Zhang, DO

Gastroenterologist
4.61
·31 reviews
Perfect place for gastric problems, the way they treated to patients it’s absolutely pleasure - Jun 17, 2026 by Sisindri K.Click to read more
16.5 mi · 15255 Shady Grove Rd, Suite 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients ·
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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

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·85 reviews
Great! Dr. Talati & staff were super helpful and thorough throughout my visit. Very polite, friendly environment. by OHClick to read more
16.5 mi · 15255 Shady Grove Rd, Suite 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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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

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·417 reviews
Dr. Lowe was great! He found a solution quickly. His office is nice and staff is welcoming!Click to read more
16.5 mi · 15255 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

Petrina Bangura, CRNP

Family Nurse Practitioner
5.00
·4 reviews
They explained everything and made me very comfortable - Apr 29, 2026 by Marleny C.Click to read more
11 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Ms. Petrina Bangura is a family nurse practitioner from Greenbelt, MD. She practices at AMC Healthcare Hydration and offers both in-office and virtual consultations. Ms. Bangura provides compassionate, holistic, and evidence-based primary care. Using thorough assessment, patient education, and pers...Click to read more

Dr. Kehinde Adedulu, CRNP, DNP

Family Nurse Practitioner
4.77
·13 reviews
It was nice, quiet, and personal.Click to read more
11 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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Kehinde Adedulu, Nurse Practitioner, has a wealth of experience in healthcare. She began her career as a Registered Nurse (RN), specializing in emergency care. Mariama earned her Bachelor's degree from the University of Maryland and completed her Master's in Nursing at Walden University. With her ex...Click to read more

Mariama Koroma, APRN, RN

Family Nurse Practitioner
4.39
·31 reviews
Great hospitality - Sep 11, 2024 by Bintou T.Click to read more
11 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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Mariama Koroma, Nurse Practitioner, has a wealth of experience in healthcare. She began her career as a Registered Nurse (RN), specializing in emergency care. Mariama earned her Bachelor's degree from the University of Maryland and completed her Master's in Nursing at Walden University. With her ext...Click to read more

Yvonne Tubene, APRN, RN

Family Nurse Practitioner
4.49
·37 reviews
Love this doctor!! Highly recommend. Super patient and caring. - May 10, 2025 by Alexandra R.Click to read more
11 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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Ms. Yvonne Tubene is a compassionate, friendly, and reliable family nurse practitioner offering her services at AMC Healthcare Hydration in Lanham, MD. She also takes virtual appointments. Ms. Tubene earned her associate's degree from Anne Arundel Community College, her bachelor's degree from the...Click to read more

Lilian Achi, APRN

Family Nurse Practitioner
11 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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Compassionate and results-driven Family Nurse Practitioner with 13 years of experience in acute care, emergency nursing, telehealth, case management, and utilization review. Proven expertise in patient assessment, chronic disease management, and evidence-based practice. Committed to enhancing patien...Click to read more

Arsha Pamir, CRNP, RN

Family Nurse Practitioner
5.00
·3 reviews
Professional, knowledgeable, with a kind and caring demeanor. What else could I ask for. by JHClick to read more
11 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time

Diviya Muruganandam, PA-C

Physician Assistant
4.31
·29 reviews
Great staff! Provider listened to my concerns and went above and beyond to ensure we explored multiple possibilities regarding my health. - Mar 14, 2023Click to read more
11 mi · 2070 Chain Bridge Rd, Ste 150, Vienna, VA 22182
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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Diviya Muruganandam, PA-C, is a board-certified physician assistant at Virginia Family Medicine’s Tysons and Fairfax locations. She earned her Master’s in Physician Assistant Studies from Wingate University in North Carolina, graduating with high distinction (Pi Alpha, The National Honors Society of...Click to read more

Dr. Jennie Zhang, DO

Gastroenterologist
4.61
·31 reviews
Perfect place for gastric problems, the way they treated to patients it’s absolutely pleasure - Jun 17, 2026 by Sisindri K.Click to read more
18 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
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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Washington who takes UnitedHealthcare insurance?

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

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

Zocdoc lets you search specifically for a Gastroenterologist in Washington 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 Washington?

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

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

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

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

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

You can use Zocdoc to find UnitedHealthcare 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 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 Washington 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 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 a UnitedHealthcare Gastroenterologist in Washington who sees patients during the weekend?

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

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