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253 verified UnitedHealthcare Gastroenterologists in College Park, 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 07/19/2026
Availability last updated 07/19/2026

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.64
·14 reviews
very professional and thorough. listened and asked questions by Hermione C.Click to read more
14 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, Aug 11

Dr. Thi Khuc, MD

Gastroenterologist
4.89
·227 reviews
I highly recommend Dr. Khuc. She is knowledgeable and answered all my questions. - Aug 5, 2025 by Patricia V.Click to read more
14.5 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, Aug 3

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·90 reviews
Knowledgeable and good bedside manner. I felt heard and was pleased with the solutions and treatment provided. by Danielle F.Click to read more
14.5 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
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: Wed, Aug 5

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.83
·304 reviews
Dr. Rosenbloom and the office staff were very excellent at communication and providing adequate information for next steps. - Apr 15, 2021 by Joshua M.Click to read more
14.5 mi · 7130 Minstrel Way, Ste 215, 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: Wed, Aug 5

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·298 reviews
I feel very good with my choice from Zocdoc, Dr Pia Pra - Mar 19, 2025 by Cheryl R.Click to read more
14.5 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: Thu, Aug 6

Dr. Thi Khuc, MD

Gastroenterologist
4.89
·227 reviews
I highly recommend Dr. Khuc. She is knowledgeable and answered all my questions. - Aug 5, 2025 by Patricia V.Click to read more
14.5 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, Aug 11

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·90 reviews
Knowledgeable and good bedside manner. I felt heard and was pleased with the solutions and treatment provided. by Danielle F.Click to read more
14.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
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: Wed, Aug 12

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.64
·14 reviews
very professional and thorough. listened and asked questions by Hermione C.Click to read more
14.5 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
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: Thu, Aug 13

Dr. Monica Passi, MD

Gastroenterologist
4.84
·99 reviews
Dr Passi is great! Professional; warm; knowledgeable; and action based! Highly recommended! - Jan 15, 2026 by Monique N A.Click to read more
16 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
Next available: Thu, Jul 30

Chante' Whitaker, PA

Physician Assistant
5.00
·10 reviews
The team was very professional and friendly. I would recommend this team to a friend. I enjoyed the team listening and not rushing the appointment. I would go back and hopefully have a great experience as I did this first time.Click to read more
7.5 mi · 9500 Medical Center Dr, #105, Largo, MD 20774
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
I am a dedicated board-certified Physician Assistant specializing in primary care medicine at TRiiBE Medical LLC in Upper Marlboro, Maryland. With a strong commitment to providing quality healthcare for all individuals, I actively address health disparities within my local community. I earned my Bac...Click to read more
Next available: Mon, Sep 21

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·423 reviews
Dr.Lowe is very warm and kind, he made us feel heard and we felt he would take good care of my loved one. - Dec 16, 2023 by Phethia J.Click to read more
16 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
Next available: Mon, Aug 3

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·90 reviews
Knowledgeable and good bedside manner. I felt heard and was pleased with the solutions and treatment provided. by Danielle F.Click to read more
16 mi · 15255 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: Mon, Aug 3

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Great doctor, give me a lot of good advice and plan for treatment wellClick to read more
16 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
Next available: Mon, Aug 10

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.88
·8 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
9.5 mi · 5622 Shields Dr, Bethesda, MD 20817
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: Fri, Aug 7

Dr. Jennie Zhang, DO

Gastroenterologist
4.64
·33 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 mi · 15255 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 10

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Great doctor, give me a lot of good advice and plan for treatment wellClick to read more
19 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, Jul 23

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·423 reviews
Dr.Lowe is very warm and kind, he made us feel heard and we felt he would take good care of my loved one. - Dec 16, 2023 by Phethia J.Click to read more
19 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, Jul 27

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·425 reviews
I had a great experience with this doctor & his team!Click to read more
19 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 3

Dr. Jennie Zhang, DO

Gastroenterologist
4.64
·33 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
19 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, Aug 7

Christina Sasselli, NP

Nurse Practitioner
16.5 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: tomorrow

Deidre Ann Fisher, FNP

Family Nurse Practitioner
5.00
·1 review
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
16.5 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: tomorrow

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: tomorrow

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·31 reviews
Dr. Clevenger is wonderful and a great listener, helped me with problems i've been having for over a decade! - May 5, 2026Click to read more
14.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Mon, Jul 27

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.88
·8 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
16 mi · 15255 Shady Grove Rd, Suite 304, Rockville, MD 20850
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 28

Dr. Urooj Ahmed, MD

Gastroenterologist
4.38
·37 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
23 mi · 1419 Frst Dr, Annapolis, MD 21403
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: Wed, Aug 12

Dr. Thi Khuc, MD

Gastroenterologist
4.89
·227 reviews
I highly recommend Dr. Khuc. She is knowledgeable and answered all my questions. - Aug 5, 2025 by Patricia V.Click to read more
23 mi · 1419 Frst Dr, Annapolis, MD 21403
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: Fri, Aug 14

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.88
·8 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
19 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: Wed, Jul 22

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, Jul 25

Dr. Lance Lasner, MD

Gastroenterologist
4.81
·26 reviews
Fantastic help and advice. Greatly appreciated! - Feb 11, 2026 by Jonathan D.Click to read more
29 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: tomorrow

Dr. Shaffer Mok, MD

Gastroenterologist
4.90
·30 reviews
Great first visit. Very personable and seemed truly interested in helping! - Jun 8, 2026 by Howard S.Click to read more
30.5 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: tomorrow

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.92
·79 reviews
I have seen Dr Chand, Courtney, and Maria in the past year. I would recommend any of them. They are all so patient and answer all my questions. I never feel rushed. The office staff is great too. I highly recommend all three. - Feb 13, 2026 by Frances M.Click to read more
25.5 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, Jul 21

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.93
·68 reviews
This office was so clean and everyone was so kind. Maria was patient, listened to me, and made me feel seen/validated. - Apr 14, 2026 by Emily D.Click to read more
25.5 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

Dr. Shaffer Mok, MD

Gastroenterologist
4.90
·30 reviews
Great first visit. Very personable and seemed truly interested in helping! - Jun 8, 2026 by Howard S.Click to read more
34.5 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: Tue, Jul 21

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·208 reviews
Very good. Dr's exam and explanations satisfactory. Thoroughness in evaluations and all aspects of results by JBClick to read more
34.5 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 23

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
30 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, Jul 21

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.83
·304 reviews
Dr. Rosenbloom and the office staff were very excellent at communication and providing adequate information for next steps. - Apr 15, 2021 by Joshua M.Click to read more
34.5 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: Mon, Jul 27

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·208 reviews
Very good. Dr's exam and explanations satisfactory. Thoroughness in evaluations and all aspects of results by JBClick to read more
37.5 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: Wed, Jul 29

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·31 reviews
Dr. Clevenger is wonderful and a great listener, helped me with problems i've been having for over a decade! - May 5, 2026Click to read more
37.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Wed, Jul 22

Dana Collins, NP

Nurse Practitioner
4.91
·279 reviews
Would highly recommend Dana. She truly listens and gave great explanations.Click to read more
37.5 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: Mon, Aug 31

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: Tue, Jul 21

Brendon Bower, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·37 reviews
I finally feel like my concerns were heard. He was kind and we came up with a game plan during my initial visit. - Jul 17, 2026 by Elizabeth H.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: Thu, Jul 23

Mary Johnson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·43 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: Thu, Jul 23

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.64
·14 reviews
very professional and thorough. listened and asked questions by Hermione C.Click to read more
1.5 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. Jennie Zhang, DO

Gastroenterologist
4.64
·33 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
6.5 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
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. Dhruv Lowe, MD

Gastroenterologist
4.88
·423 reviews
Dr.Lowe is very warm and kind, he made us feel heard and we felt he would take good care of my loved one. - Dec 16, 2023 by Phethia J.Click to read more
6.5 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. Dabo Xu, MD

Gastroenterologist
4.81
·425 reviews
I had a great experience with this doctor & his team!Click to read more
6.5 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

Xinna Yi, APRN, RN, NP

Nurse Practitioner (Gastroenterology)
5.00
·2 reviews
1.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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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. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Great doctor, give me a lot of good advice and plan for treatment wellClick to read more
9.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
Accepting new patients ·
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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
·423 reviews
Dr.Lowe is very warm and kind, he made us feel heard and we felt he would take good care of my loved one. - Dec 16, 2023 by Phethia J.Click to read more
9.5 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. Pia Prakash, MD

Gastroenterologist
4.81
·298 reviews
I feel very good with my choice from Zocdoc, Dr Pia Pra - Mar 19, 2025 by Cheryl R.Click to read more
9.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in colonoscopy + 3 more ·
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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

Arsha Pamir, CRNP, RN

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

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
3.5 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

Lilian Achi, APRN

Family Nurse Practitioner
3.5 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

Mariama Koroma, APRN, RN

Family Nurse Practitioner
4.41
·32 reviews
Great hospitality - Sep 11, 2024 by Bintou T.Click to read more
3.5 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

Dr. Kehinde Adedulu, CRNP, DNP

Family Nurse Practitioner
4.77
·13 reviews
Very professional and friendly. Answered all my questions and explained in detail. The nurse was also very nice and polite - Nov 15, 2025Click to read more
3.5 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
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
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Frequently asked questions

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

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

How can I find a Gastroenterologist in College Park who takes UnitedHealthcare?

Zocdoc lets you search specifically for a Gastroenterologist in College Park 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 College Park?

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

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

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

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

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

You can use Zocdoc to find UnitedHealthcare Gastroenterologists in College Park 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 College Park?

Gastroenterologists in College Park 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 College Park 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 College Park 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 College Park who sees patients during the weekend?

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

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