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247 verified UnitedHealthcare Gastroenterologists in Washington, DC
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
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Availability last updated 10/22/2026
Availability last updated 10/22/2026
Gastroenterologist
4.70
·40 reviews
Dr. Zhang was pleasant to speak with and thorough in her professionalism. I feel comfort being in her care. - May 12, 2026 by Katherine H.Click to read more
17 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: tomorrow
Gastroenterologist
4.90
·552 reviews
Great bedside manner & super helpful! Can't recommend them enough. - Sep 17, 2021Click to read more
18 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: today
Physician Assistant (Gastroenterology)
4.95
·19 reviews
She was very kind, she explained everything very well and knowledgeable very very caring. - Oct 6, 2026 by Tracey W.Click to read more
9 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: Thu, Oct 29
Gastroenterologist
4.94
·36 reviews
Very attentive and proactive doctor. The reception was also very good. by ADClick to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Neha Rajpal is a gastroenterologist who sees patients in person at Gastro Centers of America in Silver Spring, Rockville, and Riverdale, MD. She provides care for individuals seeking evaluation and treatment of digestive health concerns. Dr. Rajpal completed her medical degree at Georgetown Uni...Click to read more
Next available: Mon, Oct 26
Gastroenterologist
4.83
·118 reviews
Dr. Passi listens to her patients and guides them on the path to health. - Jul 8, 2026Click to read more
17 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: Tue, Oct 27
Gastroenterologist
4.92
·103 reviews
Thorough, pleasant, best bedside maner in a doctor I've been to. Left the office feeling well taken care of. by NWClick to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Tue, Oct 27
Gastroenterologist
4.65
·69 reviews
Great doctor, give me a lot of good advice and plan for treatment wellClick to read more
17 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Fri, Oct 30
Adult Nurse Practitioner
5.00
·1 review
Fantastic doctor. I was so pleased with my virtual visit at Ace Primary Care. I will recommend to all of my friends and family. Thanks again! by SJClick to read more
10.5 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Charlyn Tupaz is a nurse practitioner specializing in adult-gerontology primary care, with 18 years of healthcare experience. She believes great care starts with a trusting relationship and takes time to listen to her patients and understand their goals. Charlyn focuses on preventive care, wellness...Click to read more
Next available: Sat, Oct 31
Gastroenterologist
4.86
·63 reviews
Dr. Campbell is very thorough. She listens and asks questions. She makes talking to her very easy - Oct 2, 2026 by Rhonda R.Click to read more
17.5 mi · 12011 US 50, Ste 506, Fairfax, VA 22033
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Kirsti Campbell is a gastroenterologist who sees patients in Falls Church, Fairfax, and Alexandria, VA. She offers in-office consultations at Gastro Virginia. She works with individuals seeking evaluation and care for digestive health concerns, from new symptoms to ongoing gastrointestinal condi...Click to read more
Next available: Thu, Oct 29
Gastroenterologist
4.88
·241 reviews
I extremely recommend Dr Castillo he’s very nice & professional! - Feb 3, 2022 by Yessica D.Click to read more
18 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, Oct 27
Gastroenterologist
4.81
·306 reviews
Very friendly staff. Doctor and PA listened and made me feel very comfortable. - Oct 3, 2022Click to read more
18 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, Oct 26
Gastroenterologist
4.82
·431 reviews
Very kind and professional staff and clean office. The doctor listened, provided good advice, prescription and next steps. - Mar 8, 2024 by Huel W.Click to read more
18 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, Oct 28
Nurse Practitioner
10.5 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Yuna is a board-certified Family Nurse Practitioner dedicated to delivering comprehensive, patient-centered primary care at Ace Primary Care in Fairfax, VA. She earned her Bachelor of Science in Nursing from the University of Oklahoma and her Master of Science in Nursing from Georgetown University....Click to read more
Next available: Mon, Nov 9
Gastroenterologist
4.80
·40 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
22.5 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: today
Gastroenterologist
4.67
·15 reviews
I enjoyed my visit. Dr. Rai is very patient, informative, caring and helpful. I love my doctor. by DRClick to read more
18 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, Nov 3
Gastroenterologist
4.70
·40 reviews
Dr. Zhang was pleasant to speak with and thorough in her professionalism. I feel comfort being in her care. - May 12, 2026 by Katherine H.Click to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Jennie Zhang is a distinguished gastroenterologist. She practices at the Gastro Center of MD, serving patients in Silver Spring, Riverdale, and Olney, MD. Dr. Zhang completed her medical degree at the West Virginia School of Osteopathic Medicine and her residency in internal medicine at the Uni...Click to read more
Next available: Wed, Nov 4
Gastroenterologist
4.65
·69 reviews
Great doctor, give me a lot of good advice and plan for treatment wellClick to read more
18 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Robert Byrne is an experienced gastroenterologist who practices at the Gastro Center of MD. He offers services to people in Riverdale and Gaithersburg, MD. Dr. Byrne is committed to providing exceptional, patient-centered care for digestive and liver disorders. He listens to each patient and cr...Click to read more
Next available: Wed, Nov 4
Gastroenterologist
4.92
·103 reviews
Thorough, pleasant, best bedside maner in a doctor I've been to. Left the office feeling well taken care of. by NWClick to read more
18 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: Thu, Nov 5
Family Nurse Practitioner
10.5 mi · 8315 Lee Hwy, Ste 503, Fairfax, VA 22031
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
Ella Morden, PhD, NP-C, is a nationally certified, state-licensed nurse practitioner with more than 15 years of clinical experience. After completing her master’s degree, she continued her education and earned a PhD. Ella’s approach to care begins with empathy, attentive listening, and respect for ...Click to read more
Next available: Mon, Nov 23
Gastroenterologist
4.88
·434 reviews
I appreciated Dr. Lowe’s temperament and effort to help my situation. I look forward to working with him in the future. - Mar 31, 2026 by Robyn K.Click to read more
20 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, Nov 16
Physician Assistant (Gastroenterology)
4.95
·19 reviews
She was very kind, she explained everything very well and knowledgeable very very caring. - Oct 6, 2026 by Tracey W.Click to read more
17 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: tomorrow
Gastroenterologist
4.39
·38 reviews
Dr Ahmed was very attentive, patient and knowledgeable. He listened to my symptoms and concerns, before checking me and giving his expert opinion. When I shared with him I had lab appointment afterwards, he made me aware lab office was in-house, which was very convenient. I would recommend him to an...Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Expertise in upper gi endoscopy + 5 more ·
Read bio
Dr. Urooj Ahmed is a dedicated gastroenterologist practicing at the Gastro Center of MD, serving the communities of Columbia and Annapolis, MD. With extensive training and experience, Dr. Ahmed diagnoses and manages various gastrointestinal conditions to improve his patients' quality of life. Dr. A...Click to read more
Next available: Mon, Oct 26
Gastroenterologist
4.88
·241 reviews
I extremely recommend Dr Castillo he’s very nice & professional! - Feb 3, 2022 by Yessica D.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Serving the communities of Olney and Columbia, MD, Dr. Eduardo Castillo is an attending physician at Gastro Center of Maryland. An accomplished gastroenterologist, he looks forward to providing his patients with the proper tools and advice they need to improve or maintain their overall health. Dr...Click to read more
Next available: Wed, Oct 28
Gastroenterologist
4.82
·317 reviews
Great visit with Dr. Rosenbloom and his entire staff! He was prompt, he listened and has impeccable bedside manners.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
Read bio
Dr. Josh Rosenbloom is a Board-Certified physician who specializes in both Gastroenterology and hepatology. Dr. Rosenbloom received his medical degree from Des Moines University and completed his internal medicine residency and Gastroenterology fellowship at St. John Providence health system through...Click to read more
Next available: Wed, Oct 28
Gastroenterologist
4.39
·38 reviews
Dr Ahmed was very attentive, patient and knowledgeable. He listened to my symptoms and concerns, before checking me and giving his expert opinion. When I shared with him I had lab appointment afterwards, he made me aware lab office was in-house, which was very convenient. I would recommend him to an...Click to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Expertise in upper gi endoscopy + 5 more ·
Read bio
Dr. Urooj Ahmed is a dedicated gastroenterologist practicing at the Gastro Center of MD, serving the communities of Columbia and Annapolis, MD. With extensive training and experience, Dr. Ahmed diagnoses and manages various gastrointestinal conditions to improve his patients' quality of life. Dr. A...Click to read more
Next available: Tue, Oct 27
Gastroenterologist
4.88
·434 reviews
I appreciated Dr. Lowe’s temperament and effort to help my situation. I look forward to working with him in the future. - Mar 31, 2026 by Robyn K.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Fri, Oct 30
Nurse Practitioner
5.00
·2 reviews
16.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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: Mon, Oct 26
Gastroenterologist
4.90
·552 reviews
Great bedside manner & super helpful! Can't recommend them enough. - Sep 17, 2021Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · 18 years of experience · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Farzin Rashti, M.D., FACP is Board Certified in Gastroenterology & Hepatology and Internal Medicine and is dedicated to offering his patients superior personalized care in a respectful and supportive environment. Dr. Rashti works toward developing a partnership with his patients and forms a unique c...Click to read more
Next available: Mon, Nov 2
Gastroenterologist
4.90
·231 reviews
Enthusiastic, knowledgeable physician who listened before developing a plan. - Jun 16, 2026 by Adele M.Click to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Thi Khuc is a skilled gastroenterologist currently practicing at the Gastro Center of MD in Columbia and Annapolis (MD). She is also certified by the American Board of Internal Medicine. After earning her medical degree from the University of Virginia, Dr. Khuc completed her internal medicine ...Click to read more
Next available: Mon, Nov 2
Primary Care Doctor
17 mi · 15245 Shady Grove Rd, Ste 150, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Kathy Fatovic is a skilled primary care doctor at CloseKnit. She practices in Rockville, MD. Dr. Fatovic is dedicated to keeping patients healthy through comprehensive, compassionate medical care. Focusing on prevention, early detection, and long-term wellness, she treats common illnesses, mana...Click to read more
Next available: Mon, Oct 26
Gastroenterologist
4.92
·103 reviews
Thorough, pleasant, best bedside maner in a doctor I've been to. Left the office feeling well taken care of. by NWClick to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. 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, Nov 4
Family Nurse Practitioner
5.00
·7 reviews
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: Thu, Oct 29
Gastroenterologist
4.92
·103 reviews
Thorough, pleasant, best bedside maner in a doctor I've been to. Left the office feeling well taken care of. by NWClick to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. 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: Fri, Nov 6
Gastroenterologist
4.81
·306 reviews
Very friendly staff. Doctor and PA listened and made me feel very comfortable. - Oct 3, 2022Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in colonoscopy + 3 more ·
Read bio
Dr. Pia Prakash completed her medical training in Washington, D.C. She received her Bachelor in Arts and Sciences from The George Washington University with a major in Psychology. She then attended the George Washington University School of Medicine where she received her medical degree and complete...Click to read more
Next available: Tue, Nov 10
Gastroenterologist
4.92
·218 reviews
Friendly staff, Dr‘s bedside manner was fantastic. Very thorough and did not rush through the visit. - Aug 5, 2026 by Delia G.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. 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, Nov 11
Gastroenterologist
4.90
·231 reviews
Enthusiastic, knowledgeable physician who listened before developing a plan. - Jun 16, 2026 by Adele M.Click to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Thi Khuc is a skilled gastroenterologist currently practicing at the Gastro Center of MD in Columbia and Annapolis (MD). She is also certified by the American Board of Internal Medicine. After earning her medical degree from the University of Virginia, Dr. Khuc completed her internal medicine ...Click to read more
Next available: Thu, Nov 12
Gastroenterologist
4.84
·44 reviews
V. informative and professional. Clearly described treatment plan and next steps. Made sure I didn’t have any additional questions. by IFClick to read more
22 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Dr. Shaffer Mok is a skilled gastroenterologist. He practices at Gastro Center of MD in Owings Mills, Nottingham, and Lutherville Timonium, MD. With a patient-centered approach, Dr. Mok takes the time to understand each individual's symptoms, concerns, and lifestyle, fostering a trusting and collab...Click to read more
Next available: Wed, Nov 18
Gastroenterologist
4.83
·118 reviews
Dr. Passi listens to her patients and guides them on the path to health. - Jul 8, 2026Click to read more
22 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, Nov 19
Physician Assistant
5.00
·2 reviews
She is one of the best doctors that I have. She took her time to listen and to review my issue. She cares for her patient. - Oct 16, 2026 by Diem Loan D.Click to read more
18 mi · 3903 Fair Rdg Dr, Ste 218, Fairfax, VA 22033
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Juliana Samar, PA-C, DMSc, is a highly trained physician assistant at Prima Medicine with a strong foundation in primary care, dermatology, preventive medicine, and patient-centered chronic disease management. She earned her Doctorate in Medical Science from Shenandoah University and completed advan...Click to read more
Next available: Wed, Oct 28
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: Tue, Dec 1
Nurse Practitioner (Gastroenterology)
4.91
·107 reviews
Courtney Ngo has been wonderful throughout my GI journey. She listens intently and responds compassionately. I certainly feel like I got lucky choosing her as a provider. I would absolutely recommend her to anyone and everyone! - Jun 29, 2026Click to read more
22 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*$75 cancellation fee if cancelled within 48 hours of the appointment* Courtney Ngo, MSN, FNP-C, is a board-certified family nurse practitioner committed to providing patient-centered, quality care. She earned her bachelor's degree from Virginia Tech and completed her master's in nursing at The Geo...Click to read more
Next available: today
Nurse Practitioner (Gastroenterology)
4.93
·85 reviews
Very knowledgeable staff that answered all my questions, nice welcoming girl on the front desk - May 21, 2026 by Anna R.Click to read more
22 mi · 46169 Westlake Dr, Ste 200, Sterling, VA 20165
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
*$75 cancellation fee if cancelled within 48 hours of the appointment* Maria Layao FNP-BC is a dedicated and compassionate nurse practitioner who cares for patients with Crohn’s disease, ulcerative colitis, infectious colitis, GERD, Barrett’s esophagus, viral hepatitis, liver disease, and many othe...Click to read more
Next available: today
Physician Assistant
4.67
·3 reviews
The only drawback was the blood draw. Wasn’t very friendly. Maybe she just had a bad day. - Oct 2, 2026 by Robert F.Click to read more
25 mi · 8205 Snowden River Pkwy, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Licensed PA-C, graduated from Lake Erie College for my master's in physician assistant studies. Certified by NCCPA. 2 years of experience in acute care medicine treating immediate injury but also follow up chronic care. Able to treat a wide range of illnesses for all age groups. Passionate about ove...Click to read more
Next available: today
Gastroenterologist
4.39
·38 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
28.5 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, Oct 28
Nurse Practitioner (Gastroenterology)
4.98
·41 reviews
The place was easy to find. Staff was friendly and welcoming. The office was clean and organized. I loved the dr I saw! She listened, answered all of my questions, and set me up with next steps. - May 2, 2026 by Richelle D.Click to read more
22 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Mon, Nov 2
Gastroenterologist
4.84
·44 reviews
V. informative and professional. Clearly described treatment plan and next steps. Made sure I didn’t have any additional questions. by IFClick to read more
38 mi · 21 Crossroads Dr, Ste 205, Owings Mills, MD 21117
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Dr. Shaffer Mok is a skilled gastroenterologist. He practices at Gastro Center of MD in Owings Mills, Nottingham, and Lutherville Timonium, MD. With a patient-centered approach, Dr. Mok takes the time to understand each individual's symptoms, concerns, and lifestyle, fostering a trusting and collab...Click to read more
Next available: Wed, Oct 28
Gastroenterologist
4.82
·317 reviews
Great visit with Dr. Rosenbloom and his entire staff! He was prompt, he listened and has impeccable bedside manners.Click to read more
42.5 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
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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, Oct 26
Gastroenterologist
4.92
·218 reviews
Friendly staff, Dr‘s bedside manner was fantastic. Very thorough and did not rush through the visit. - Aug 5, 2026 by Delia G.Click to read more
42.5 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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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: Mon, Oct 26
Gastroenterologist
4.84
·44 reviews
V. informative and professional. Clearly described treatment plan and next steps. Made sure I didn’t have any additional questions. by IFClick to read more
42.5 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 ·
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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, Oct 27
Nurse Practitioner
4.76
·17 reviews
Great experience but I needed a GI specialist not a PCP. - Sep 20, 2026 by Lisa C.Click to read more
38 mi · 25 Crossroads Drive, Suite 10, Owings Mills, MD 21117
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Excellent wait time · Expertise in chronic diabetes + 1 more ·
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Fikirta B Forrester is a native Annapolitan and has one daughter. She has been a Family Nurse Practitioner for over 12 years. She enjoys working with underserved and uninsured patients. She is a proud member of American Academy of Nurse Practitioners and A Delta Sigma Theta, Inc. member since 2020. ...Click to read more
Next available: Thu, Nov 5
Family Physician
4.75
·16 reviews
My first visit and I was impressed how thorough and thoughtful dr was. - Oct 5, 2026 by Helen T.Click to read more
42 mi · 900 Kenilworth Dr, Towson, MD 21204
In-network · UnitedHealthcare
Accepting new patients ·
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Dr. Tejinder Kaur is a family medicine physician dedicated to providing compassionate, patient-centered care throughout all stages of life. She recently completed her Family Medicine residency at Rutgers Robert Wood Johnson Medical School–CentraState Medical Center and has experience caring for pati...Click to read more
Next available: today
Gastroenterologist
4.92
·218 reviews
Friendly staff, Dr‘s bedside manner was fantastic. Very thorough and did not rush through the visit. - Aug 5, 2026 by Delia G.Click to read more
45.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Mamunes is a reliable and accomplished internist. Catering to the people of Columbia and Timonium, MD, he works at the Gastro Center of MD, treating various complex chronic disorders in adults. As a part of his educational training, Dr. Mamunes acquired his medical degree from the Un...Click to read more
Next available: Tue, Nov 10
Nurse Practitioner (Gastroenterology)
4.98
·41 reviews
The place was easy to find. Staff was friendly and welcoming. The office was clean and organized. I loved the dr I saw! She listened, answered all of my questions, and set me up with next steps. - May 2, 2026 by Richelle D.Click to read more
45.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time
Next available: today
Nurse Practitioner
4.91
·292 reviews
Very personable, explained every step, asked great questions and we laughed the whole time, refreshing !! - Jan 27, 2023Click to read more
45.5 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 ·
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In addition to my practice at Resilience Healthcare, I teach nursing students at Bowie State University. I have spent the last 20 years providing urgent care and ER services at Providence Hospital Washington DC, Laurel Regional Hospital, MD, and the Washington Hospital Center. I have also worked ov...Click to read more
Next available: Thu, Nov 26
Gastroenterologist
4.75
·289 reviews
Great visit. The doctor is very knowledgeable and was able to answer all of my questions/concerns. - Dec 22, 2013 by David S.Click to read more
6.5 mi · 6305 Castle Place, Ste 1-A, Falls Church, VA 22044
In-network · UnitedHealthcare
Accepting new patients · 25+ years of experience · Excellent wait time · Expertise in chronic indigestion without clear cause + 2 more ·
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Han Ton-That is an attentive and precise gastroenterologist serving his patients in Falls Church, VA. Dr. Ton-That is certified by the American Board of Gastroenterology, and he is a member of the American Society for Gastrointestinal Endoscopy and the American Gastroenterological Association. Dr....Click to read more
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 Washington who takes UnitedHealthcare insurance?

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


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

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


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

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


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

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


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

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


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

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


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

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


Are video visits with a Gastroenterologist online covered by UnitedHealthcare?

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


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

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


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

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


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