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273 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 08/21/2026
Availability last updated 08/21/2026

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·235 reviews
Dr. Castillo was extremely nice, patient and responsive to questions. - Jul 15, 2026 by Talitha S.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 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: Mon, Aug 31

Dr. Farzin Rashti, MD

Gastroenterologist
4.91
·540 reviews
Very nice and personable. Great listener and communicated clearly the next steps. Highly recommend. - Nov 21, 2024 by Tyler H.Click to read more
14.5 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, Aug 31

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·235 reviews
Dr. Castillo was extremely nice, patient and responsive to questions. - Jul 15, 2026 by Talitha S.Click to read more
14 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in upper gi endoscopy + 2 more ·
Read bio
Serving the communities of Olney and Columbia, MD, Dr. Eduardo Castillo is an attending physician at Gastro Center of Maryland. An accomplished gastroenterologist, he looks forward to providing his patients with the proper tools and advice they need to improve or maintain their overall health. Dr...Click to read more
Next available: Tue, Sep 8

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·96 reviews
Dr. Talati was very kind, knowledgeable & very understanding. Thank you. by ABClick 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, Sep 2

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·215 reviews
The doctor was aware of my visit and provided me some additional tips to help improve my lifestyle. - Jul 11, 2024 by Renna H.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. Alexander Mamunes is a reliable and accomplished internist. Catering to the people of Columbia and Timonium, MD, he works at the Gastro Center of MD, treating various complex chronic disorders in adults. As a part of his educational training, Dr. Mamunes acquired his medical degree from the Un...Click to read more
Next available: Wed, Sep 2

Dr. Kirsti Campbell, MD

Gastroenterologist
14 mi · 4660 Kenmore Ave, Ste 810, Alexandria, VA 22304
In-network · UnitedHealthcare
Accepting new patients ·
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 Center of MD. She works with individuals seeking evaluation and care for digestive health concerns, from new symptoms to ongoing gastrointestinal c...Click to read more
Next available: Thu, Sep 10

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·428 reviews
Great Doctor. Genuinely interested in my wellbeing. Provided great referrals who saw me on the same day. - Nov 8, 2025 by Walter A.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 timeExpertise in upper gi endoscopy + 2 more
Next available: Fri, Sep 4

Dr. Charles Obioha, MD

Gastroenterologist
4.32
·444 reviews
The wait was long but the dr and his staff were VERY nice and informative by Chanel W.Click to read more
15 mi · 9000 Woody Terrace, Clinton, MD 20735
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in gastroenteritis + 2 more ·
Read bio
When booking an appointment please make sure to indicate your insurance, provider, plan, and ID number available to enter. Thank you! Please note there are charges associated with cancellations made after 24 hours of initial booking. Please ensure that you are ready to be seen before confirmation of...Click to read more
Next available: Mon, Aug 31

Dr. Jennie Zhang, DO

Gastroenterologist
4.67
·36 reviews
Dr Jennie is wonderful. A great listener and wrote down all of her directions for me. Best doctor I have! - Feb 10, 2026 by David W.Click to read more
16 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: Wed, Aug 26

Dr. Monica Passi, MD

Gastroenterologist
4.84
·102 reviews
Great experience the doctor was very knowledgeable and friendly. - Oct 7, 2025 by Vecoya B.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 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, Sep 10

Dr. Thi Khuc, MD

Gastroenterologist
4.90
·230 reviews
The staff are friendly. Dr. KHUC was great. Asked questions and dug deeper into my symptoms. - Jul 31, 2025Click 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: Thu, Sep 17

Dr. Pia Prakash, MD

Gastroenterologist
4.81
·301 reviews
Dr Prakash was just terrific. Attentive, personable, efficient, thorough. Actually enjoyed meeting her. - Jun 23, 2025 by Lisa S.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, Sep 17

Dr. Rashika Sood, MD

Internist
4.43
·1453 reviews
I had a very bad headache and dr Sood found that I had very high blood pressure she took great care of me - Oct 23, 2018Click to read more
10 mi · 7610 Pennsylvania Ave, #300, Forestville, MD 20747
In-network · UnitedHealthcare
Accepting new patients · Expertise in high cholesterol + 2 more ·
Read bio
**(WE ONLY ACCEPT PATIENTS 21 YEARS OLD AND ABOVE.) As a native of Bowie, MD, Dr. Rashika Sood, serves her community as an Internal Medicine specialist and Primary Care Physician. Dr. Sood earned her Bachelor of Medicine, Bachelor of Surgery degree from Dayanand Medical College. She then complet...Click to read more
Next available: Tue, Aug 25

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·428 reviews
Great Doctor. Genuinely interested in my wellbeing. Provided great referrals who saw me on the same day. - Nov 8, 2025 by Walter A.Click to read more
16 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Mon, Aug 31

Dr. Monica Passi, MD

Gastroenterologist
4.84
·102 reviews
Great experience the doctor was very knowledgeable and friendly. - Oct 7, 2025 by Vecoya B.Click to read more
16 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, Aug 31

Dr. Neha Rajpal, MD

Gastroenterologist
16 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients
Next available: Wed, Sep 9

Dr. Raymond Richhart, MD

Gastroenterologist
16 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients
Next available: Fri, Sep 11

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew K.Click to read more
16 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: Mon, Sep 14

Christina Sasselli, NP

Nurse Practitioner
5.00
·1 review
16.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
Read bio
Christina Sasselli, CRNP, is a board-certified Family Nurse Practitioner committed to delivering compassionate, holistic, and patient-centered care. She earned her Master of Science in Nursing (MSN) from Duquesne University in Pittsburgh and her Bachelor of Science in Nursing (BSN) from Chamberlain ...Click to read more
Next available: today

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew 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. 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, Sep 10

Dr. Jennie Zhang, DO

Gastroenterologist
4.67
·36 reviews
Dr Jennie is wonderful. A great listener and wrote down all of her directions for me. Best doctor I have! - Feb 10, 2026 by David W.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, Sep 11

Deidre Ann Fisher, FNP

Family Nurse Practitioner
5.00
·6 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
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: Mon, Aug 24

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·35 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: Fri, Sep 11

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.92
·13 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
16 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: Thu, Aug 27

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·235 reviews
Dr. Castillo was extremely nice, patient and responsive to questions. - Jul 15, 2026 by Talitha S.Click to read more
23 mi · 1419 Frst Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in upper gi endoscopy + 2 more ·
Read bio
Serving the communities of Olney and Columbia, MD, Dr. Eduardo Castillo is an attending physician at Gastro Center of Maryland. An accomplished gastroenterologist, he looks forward to providing his patients with the proper tools and advice they need to improve or maintain their overall health. Dr...Click to read more
Next available: Thu, Aug 27

Dr. Monica Passi, MD

Gastroenterologist
4.84
·102 reviews
Great experience the doctor was very knowledgeable and friendly. - Oct 7, 2025 by Vecoya B.Click to read more
23 mi · 1419 Frst Dr, Annapolis, MD 21403
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: Fri, Sep 18

Dr. Avni Jain, MD

Family Physician
4.74
·31 reviews
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, Oct 8

Dr. Kirsti Campbell, MD

Gastroenterologist
24 mi · 12011 US 50, Ste 506, Fairfax, VA 22033
In-network · UnitedHealthcare
Accepting new patients ·
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 Center of MD. She works with individuals seeking evaluation and care for digestive health concerns, from new symptoms to ongoing gastrointestinal c...Click to read more
Next available: Tue, Sep 15

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.93
·75 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: today

Dr. Lance Lasner, MD

Gastroenterologist
4.83
·30 reviews
Dr Lasner was great! He was attentive and listened to my concerns. Layed out a detailed care plan. Highly recommended - Mar 23, 2026 by Irak P.Click to read more
29 mi · 5651 Stone Rd, Centreville,, VA 20120
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Highly recommended · 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: Mon, Aug 24

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.93
·89 reviews
Great service & diagnostic.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: today

Dr. Erica Shackelford, DNP

Family Nurse Practitioner
25.5 mi · 46090 Lk Ctr Plz, Ste 104, Sterling, VA 20165
In-network · UnitedHealthcare
Accepting new patients
Next available: Mon, Aug 24

Dr. Shaffer Mok, MD

Gastroenterologist
4.92
·36 reviews
Great visit! by AWClick 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: Mon, Aug 31

Dr. Shaffer Mok, MD

Gastroenterologist
4.92
·36 reviews
Great visit! by AWClick 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: Mon, Aug 24

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.82
·310 reviews
Everyone at this office was so thorough, helpful and went above and beyond. - Jun 19, 2025 by Sara V.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: Thu, Aug 27

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·215 reviews
The doctor was aware of my visit and provided me some additional tips to help improve my lifestyle. - Jul 11, 2024 by Renna H.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 ·
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, Aug 27

Heidi Poole, NP

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

Nafiseh Moez, APRN, RN, NP

Family Nurse Practitioner
4.39
·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, Aug 25

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·215 reviews
The doctor was aware of my visit and provided me some additional tips to help improve my lifestyle. - Jul 11, 2024 by Renna H.Click 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: Tue, Sep 8

Coman Thomas, CRNP, APRN

Family Nurse Practitioner
33 mi · 1900 E Northern Pkwy, Ste 108, Baltimore, MD 21239
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Expertise in acute urinary tract infection ·
Read bio
Coman Thomas a board-certified Family Nurse Practitioner and Registered Nurse with over 20 years of healthcare experience across family practice, urgent care, emergency medicine, occupational health, and men’s health. He is dedicated to providing high-quality, evidence-based, and patient-centered ca...Click to read more
Next available: Wed, Aug 26

Dr. Erica Shackelford, DNP

Family Nurse Practitioner
33 mi · 24560 Southpoint Dr, Ste 200, Aldie, VA 20105
In-network · UnitedHealthcare
Accepting new patients
Next available: Fri, Aug 28

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·35 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: Thu, Sep 3

Dana Collins, NP

Nurse Practitioner
4.92
·283 reviews
Was in and out. Amazing staff. Professional bedside manners by NMClick 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: Thu, Sep 17

Amelia Abban, NP

Nurse Practitioner (Virtual)
4.79
·870 reviews
Dr abban is quite deserving of 5 stars she listens and delivers !! All around a great physician for sure - Oct 28, 2025 by Candi D.Click to read more
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Amelia Abban is a Board-Certified Family Nurse Practitioner with extensive experience in medical practice. She earned her master’s degree from Walden University and completed clinical training at Washington Medical Clinic. She has been providing quality and compassionate care to acute and non-acute ...Click to read more
Next available: today

Sarah Proffit, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
4.96
·27 reviews
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended ·
Read bio
Sarah Profitt sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Sarah Profitt is a certified registe...Click to read more
Next available: Mon, Aug 24

Brendon Bower, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·42 reviews
Was great at walking through the problem, discuss options and finding the right solutions.Click to read more
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Brendon Bower sees patients virtually with Oshi Health. After you select your appointment time on Zocdoc, you’ll receive an email with instructions to complete your Oshi account and intake form. You must complete those steps in order to have your virtual visit. Brendon Bower is a board-certified n...Click to read more
Next available: Tue, Aug 25

Coman Thomas, CRNP, APRN

Family Nurse Practitioner (Virtual)
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Expertise in acute urinary tract infection ·
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Coman Thomas a board-certified Family Nurse Practitioner and Registered Nurse with over 20 years of healthcare experience across family practice, urgent care, emergency medicine, occupational health, and men’s health. He is dedicated to providing high-quality, evidence-based, and patient-centered ca...Click to read more
Next available: Wed, Aug 26

Mary Johnson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·44 reviews
I had an excellent experience. Mary was an incredibly attentive listener and made me feel heard and understood throughout the appointment. She took the time to explain everything clearly, was very informative, and answered all of my questions with patience and care. I’m very happy with the guidance ...Click to read more
Pondsville, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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, Aug 27

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 ·
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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. Dabo Xu, MD

Gastroenterologist
4.82
·429 reviews
Excellent physician with a nice temperament and bedside manner. - Jan 3, 2023 by Raymond M.Click to read more
1.5 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more

Dr. Robert Byrne, MD

Gastroenterologist
4.64
·67 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew 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. 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. Jennie Zhang, DO

Gastroenterologist
4.67
·36 reviews
Dr Jennie is wonderful. A great listener and wrote down all of her directions for me. Best doctor I have! - Feb 10, 2026 by David W.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. Rushi Talati, MD

Gastroenterologist
4.94
·96 reviews
Dr. Talati was very kind, knowledgeable & very understanding. Thank you. by ABClick 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 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
·428 reviews
Great Doctor. Genuinely interested in my wellbeing. Provided great referrals who saw me on the same day. - Nov 8, 2025 by Walter A.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
4.82
·429 reviews
Excellent physician with a nice temperament and bedside manner. - Jan 3, 2023 by Raymond M.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
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

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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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