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254 verified UnitedHealthcare Gastroenterologists in Annapolis, MD
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providersInsurance logo
Availability last updated 06/26/2026
Availability last updated 06/26/2026

Dr. Charles Obioha, MD

Gastroenterologist
4.32
·438 reviews
Everything went well, the reception was good but the waiting was very long. - Mar 9, 2025 by HENRY M.Click to read more
33.5 mi · 11400 Rockville Pike, Ste 108, Rockville, MD 20852
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in gastroenteritis + 2 more ·
Read bio
When booking an appointment please make sure to indicate your insurance, provider, plan, and ID number available to enter. Thank you! Please note there are charges associated with cancellations made after 24 hours of initial booking. Please ensure that you are ready to be seen before confirmation of...Click to read more
Next available: Mon, Jun 29

Dr. Farzin Rashti, MD

Gastroenterologist
4.92
·533 reviews
Great experience with a very thorough and thoughtful doctor.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · 18 years of experience · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique c...Click to read more
Next available: Thu, Jul 2

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·417 reviews
it's nice to meet a doctor who seems to care about helping you! - Aug 13, 2023 by Kenya F.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Thu, Jul 2

Dr. Rajan Sood, MD

Internist
3.38
·16 reviews
yes I will Thank you for the service - Aug 6, 2024 by Jean G.Click to read more
27 mi · 831 University Blvd E, Ste 2425, Silver Springs, MD 20903
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience · Expertise in high cholesterol + 6 more ·
Read bio
Dr. Rajan Sood, MD, is a General Medicine Practitioner in Bowie, MD. He earned his Bachelor of Medicine, Bachelor of Surgery from Government Medical College Patiala. Not only is he experienced and highly educated, but he is also kind, attentive, and has a wonderful sense of humor. Dr. Sood can be tr...Click to read more
Next available: Wed, Jul 1

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
27.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended
Next available: Tue, Jun 30

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·422 reviews
Appointment is very professional and doctor and staff are all very nice and friendly. Clear communication and diagnosis. - Jan 31, 2023 by Yi L.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Wed, Jul 8

Dr. Janaki Kuruppu, MD

Internist
3.50
·10 reviews
I immediately called family and friends about my experience. The doctor and staff were welcoming and friendly. The doctor made the experience both personable and professional making me feel completely relaxed and comfortable. - Jun 12, 2026 by Harold C.Click to read more
27.5 mi · 10801 Lockwood Dr, Ste 160, Silver Spring, MD 20901
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · 25+ years of experience ·
Read bio
Dr. Janaki Kuruppu is a dedicated and well-trained internist and primary care doctor. She currently offers consultations at Kelly Collaborative Medicine in Silver Spring, MD. She also offers virtual consultations. Dr. Kuruppu is dedicated to improving the overall well-being of all her patients. She...Click to read more
Next available: Tue, Jun 30

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·85 reviews
Dr. Talati was very kind, knowledgeable & very understanding. Thank you. by ABClick to read more
33.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Mon, Jul 6

Dr. Pia Prakash, MD

Gastroenterologist
4.82
·297 reviews
Everyone in the office was professional and kind. I had confidence in the qualifications and knowledge of the staff. - Oct 27, 2023 by Maureen K.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Dr. Pia Prakash completed her medical training in Washington, D.C. She received her Bachelor in Arts and Sciences from The George Washington University with a major in Psychology. She then attended the George Washington University School of Medicine where she received her medical degree and complete...Click to read more
Next available: Mon, Jul 13

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·85 reviews
Dr. Talati was very kind, knowledgeable & very understanding. Thank you. by ABClick to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Wed, Jul 15

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·227 reviews
Todas las personas que trabaja ahí son muy profesionales y muy amables te explican todo muy bien. Un excelente servicio!!! by Carlos G.Click to read more
33 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait 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: Tue, Jul 21

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.86
·7 reviews
I would definitely recommend my PA MELISSA To a friend. She was very thorough and extremely helpful and nice! - Mar 20, 2026 by Gloria G.Click to read more
30 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
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 8

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.86
·7 reviews
I would definitely recommend my PA MELISSA To a friend. She was very thorough and extremely helpful and nice! - Mar 20, 2026 by Gloria G.Click to read more
33.5 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: Tue, Jun 30

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·422 reviews
Appointment is very professional and doctor and staff are all very nice and friendly. Clear communication and diagnosis. - Jan 31, 2023 by Yi L.Click to read more
40.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Mon, Jul 6

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·417 reviews
it's nice to meet a doctor who seems to care about helping you! - Aug 13, 2023 by Kenya F.Click to read more
40.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Mon, Jul 13

Dr. Robert Byrne, MD

Gastroenterologist
4.65
·65 reviews
Dr. Byrne was very nice and did a good job communicating with me - Feb 4, 2026 by Matthew K.Click to read more
40.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Thu, Jul 16

Christina Sasselli, NP

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

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
39.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Deidre Fisher, MSN, APRN, FNP-C, is a Family Nurse Practitioner with a 30-year career dedicated to patient care. Her journey in nursing began after graduating with a Bachelor of Science in Nursing from the University of Delaware, where she also participated in ARMY ROTC. Following her education, Dei...Click to read more
Next available: today

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.86
·7 reviews
I would definitely recommend my PA MELISSA To a friend. She was very thorough and extremely helpful and nice! - Mar 20, 2026 by Gloria G.Click to read more
40.5 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

Dr. Avni Jain, MD

Family Physician
5.00
·1 review
39.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · 24 years of experience · Highly recommended · Excellent wait time · Expertise in underactive thyroid + 4 more ·
Read bio
Avni Jain, MD, FAAFP is board-certified in family medicine and obesity medicine. She is a dedicated and compassionate physician with a passion for helping individuals and families achieve their optimal health and well-being. As a board-certified Family and Obesity Medicine specialist, she brings a u...Click to read more
Next available: Tue, Jul 28

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.94
·64 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
49 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*$75 cancellation fee if cancelled within 48 hours of the appointment* Maria Layao FNP-BC is a dedicated and compassionate nurse practitioner who cares for patients with Crohn’s disease, ulcerative colitis, infectious colitis, GERD, Barrett’s esophagus, viral hepatitis, liver disease, and many othe...Click to read more
Next available: today

Dr. Lance Lasner, MD

Gastroenterologist
4.80
·25 reviews
Great provider. He listens to his patient and do not rush as other doctors would - May 27, 2026 by Gracian K.Click to read more
52.5 mi · 5651 Stone Rd, Centreville,, VA 20120
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Expertise in colonoscopy + 2 more ·
Read bio
Dr. Lance Lasner is one of a select few doctors to receive the Vitals® Patients’ Choice and the Vitals Compassionate Doctor awards for five consecutive years. He brings over 25 years of experience to his role as a gastroenterologist at Northern Virginia Gastroenterology, P.C. Dr. Lasner earned hi...Click to read more
Next available: Mon, Jun 29

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.92
·71 reviews
We love everyone at the office. Very professional, very clean and everyone is extremely polite and friendly. Highly recommend to anyone. - Jan 7, 2026 by Ava B.Click to read more
49 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*$75 cancellation fee if cancelled within 48 hours of the appointment* Courtney Ngo, MSN, FNP-C, is a board-certified family nurse practitioner committed to providing patient-centered, quality care. She earned her bachelor's degree from Virginia Tech and completed her master's in nursing at The Geo...Click to read more
Next available: 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
53.5 mi · 19465 Deerfield Ave, Ste 410, Lansdowne, VA 20176
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Nafiseh Moez is a key member of the VPMC team, offering dedicated care as a Board-Certified Family Nurse Practitioner. Serving the Virginia community, her practice style is built on a strong foundation of experience in internal medicine, cardiology, and emergency care, gained in both inpatient and o...Click to read more
Next available: today

Amelia Abban, NP

Nurse Practitioner (Virtual)
4.79
·888 reviews
Wonderful doctor who listens and cares. Thank you! - Aug 8, 2023 by Michelle C.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

Brendon Bower, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·35 reviews
Oshi Health was great - Jan 20, 2026 by Mario B.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 2

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, Jul 6

Mary Johnson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·41 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 ·
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: Mon, Jul 6

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
1.5 mi · 1419 Forest 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

Dr. Monica Passi, MD

Gastroenterologist
4.83
·96 reviews
Dr. Passi was great. I am happy for this appointment. - Jul 17, 2025 by AYSE FILIZ G.Click to read more
1.5 mi · 1419 Forest 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

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·417 reviews
it's nice to meet a doctor who seems to care about helping you! - Aug 13, 2023 by Kenya F.Click to read more
1.5 mi · 1419 Forest Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 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
1.5 mi · 1419 Forest Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in gastroenteritis + 9 more ·
Read bio
Dr. Rai is the Medical Director of Gastro Center of Maryland and Cascades Endoscopy Center. He is a Board-Certified Gastroenterologist and Hepatologist with over 20 years of experience. Dr. Rai completed his Bachelor of Medicine, Bachelor of Surgery at the All India Institute of Medical Sciences,...Click to read more

Dr. Farzin Rashti, MD

Gastroenterologist
4.92
·533 reviews
Great experience with a very thorough and thoughtful doctor.Click to read more
1.5 mi · 1419 Forest Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients · 18 years of experience · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique c...Click to read more

Emily Ohland, PA-C

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

Monica Lovins, NP

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

Dr. Jennie Zhang, DO

Gastroenterologist
4.61
·31 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
23 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
23 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in gastroenteritis + 9 more ·
Read bio
Dr. Rai is the Medical Director of Gastro Center of Maryland and Cascades Endoscopy Center. He is a Board-Certified Gastroenterologist and Hepatologist with over 20 years of experience. Dr. Rai completed his Bachelor of Medicine, Bachelor of Surgery at the All India Institute of Medical Sciences,...Click to read more

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·85 reviews
Dr. Talati was very kind, knowledgeable & very understanding. Thank you. by ABClick to read more
23.5 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

Dr. Alexander Mamunes, MD

Gastroenterologist
4.92
·203 reviews
Very fast, listens wells, and the staff was friendly and willing to give steps and explanation. by APClick to read more
23.5 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

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
23.5 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

Dr. Monica Passi, MD

Gastroenterologist
4.83
·96 reviews
Dr. Passi was great. I am happy for this appointment. - Jul 17, 2025 by AYSE FILIZ G.Click to read more
23.5 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Dr. Monica Passi is a distinguished gastroenterologist. She practices at the Gastro Center of MD and sees patients in Riverdale and Annapolis, MD.  Dr. Passi completed her medical degree from George Washington University and her internship in internal medicine at North Shore University Hospital. Sh...Click to read more

Dr. Pia Prakash, MD

Gastroenterologist
4.82
·297 reviews
Everyone in the office was professional and kind. I had confidence in the qualifications and knowledge of the staff. - Oct 27, 2023 by Maureen K.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in 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. Alexander Mamunes, MD

Gastroenterologist
4.92
·203 reviews
Very fast, listens wells, and the staff was friendly and willing to give steps and explanation. by APClick to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Mamunes is a reliable and accomplished internist. Catering to the people of Columbia and Timonium, MD, he works at the Gastro Center of MD, treating various complex chronic disorders in adults. As a part of his educational training, Dr. Mamunes acquired his medical degree from the Un...Click to read more

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.83
·303 reviews
the doctor was very attentive to my concerns and says he is determined to help me with my situation. So far I am pleased. - Mar 10, 2024 by Ed B.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in 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

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·422 reviews
Appointment is very professional and doctor and staff are all very nice and friendly. Clear communication and diagnosis. - Jan 31, 2023 by Yi L.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·85 reviews
Dr. Talati was very kind, knowledgeable & very understanding. Thank you. by ABClick to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. 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
it's nice to meet a doctor who seems to care about helping you! - Aug 13, 2023 by Kenya F.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more

Dr. Farzin Rashti, MD

Gastroenterologist
4.92
·533 reviews
Great experience with a very thorough and thoughtful doctor.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · 18 years of experience · Highly recommended · Expertise in colonoscopy + 3 more ·
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Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique c...Click to read more

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·227 reviews
Todas las personas que trabaja ahí son muy profesionales y muy amables te explican todo muy bien. Un excelente servicio!!! by Carlos G.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
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Serving the communities of Olney and Columbia, MD, Dr. Eduardo Castillo is an attending physician at Gastro Center of Maryland. An accomplished gastroenterologist, he looks forward to providing his patients with the proper tools and advice they need to improve or maintain their overall health. Dr...Click to read more

Dr. Monica Passi, MD

Gastroenterologist
4.83
·96 reviews
Dr. Passi was great. I am happy for this appointment. - Jul 17, 2025 by AYSE FILIZ G.Click to read more
23.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in acute gastrointestinal bleeding + 5 more ·
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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

Chante' Whitaker, PA

Physician Assistant (Virtual)
5.00
·3 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
Largo, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
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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

Dr. Kehinde Adedulu, CRNP, DNP

Family Nurse Practitioner (Virtual)
4.77
·13 reviews
It was nice, quiet, and personal.Click to read more
Greenbelt, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · 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

Mariama Koroma, APRN, RN

Family Nurse Practitioner (Virtual)
4.37
·30 reviews
Great hospitality - Sep 11, 2024 by Bintou T.Click to read more
Greenbelt, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
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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 (Virtual)
4.49
·37 reviews
Love this doctor!! Highly recommend. Super patient and caring. - May 10, 2025 by Alexandra R.Click to read more
Greenbelt, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
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 (Virtual)
Greenbelt, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
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
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Frequently asked questions

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

On average, patients who use Zocdoc can search for a Gastroenterologist in Annapolis who takes UnitedHealthcare insurance, book an appointment, and see the Gastroenterologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Gastroenterologists in Annapolis who accept UnitedHealthcare insurance and make an appointment online.

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

Zocdoc lets you search specifically for a Gastroenterologist in Annapolis who takes UnitedHealthcare. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with a UnitedHealthcare Gastroenterologist in Annapolis?

Zocdoc is a free online service that helps patients find UnitedHealthcare Gastroenterologists in Annapolis and book appointments instantly. You can search for UnitedHealthcare Gastroenterologists in Annapolis by symptom or visit reason. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

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

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

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

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

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

You can use Zocdoc to find UnitedHealthcare Gastroenterologists in Annapolis who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.

How can I find a video visit with a Gastroenterologist online in Annapolis?

Gastroenterologists in Annapolis on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Gastroenterologists who offer video visits.

Are video visits with a Gastroenterologist online covered by UnitedHealthcare?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Annapolis who accept UnitedHealthcare for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.

How can I find a UnitedHealthcare Gastroenterologist in Annapolis who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Gastroenterologist who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.

How can I find a UnitedHealthcare Gastroenterologist in Annapolis who sees patients during the weekend?

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

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