Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Browse conditions
Browse procedures
Browse treatments
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 1,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
247 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 06/03/2026
Availability last updated 06/03/2026

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
15 mi · 9000 Woody Terrace, Clinton, MD 20735
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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 8

Dr. Shaffer Mok, MD

Gastroenterologist
5.00
·11 reviews
Nice informative visit. by SGClick 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 · 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: Fri, Jun 12

Dr. Thi Khuc, MD

Gastroenterologist
4.89
·224 reviews
Highly recommend Dr. Khuc. She was very knowledgeable and answered all of my questions.Click to read more
14.5 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Thi Khuc is a skilled gastroenterologist currently practicing at the Gastro Center of MD in Columbia and Annapolis (MD). She is also certified by the American Board of Internal Medicine. After earning her medical degree from the University of Virginia, Dr. Khuc completed her internal medicine ...Click to read more
Next available: Thu, Jun 11

Kenderlate Arthus, FNP-C

Family Nurse Practitioner (Virtual)
4.91
·44 reviews
The staff was very professional during my visit. I highly recommend Ms Arthus. by JHClick to read more
Laurel, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Ms. Kenderlate Arthus is an experienced and compassionate family nurse practitioner. She practices at Angel Eye Medical Primary Care Clinic in Laurel, MD, and also provides virtual consultations. Ms. Arthus earned her bachelor's degree from Coppin State University and completed her master's degree ...Click to read more
Next available: Tue, Jun 9

Kenderlate Arthus, FNP-C

Family Nurse Practitioner
4.91
·44 reviews
The staff was very professional during my visit. I highly recommend Ms Arthus. by JHClick to read more
8.5 mi · 9101 Cherry Ln Suite 111, Laurel, MD 20708
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Kenderlate Arthus is an experienced and compassionate family nurse practitioner. She practices at Angel Eye Medical Primary Care Clinic in Laurel, MD, and also provides virtual consultations. Ms. Arthus earned her bachelor's degree from Coppin State University and completed her master's degree ...Click to read more
Next available: Tue, Jun 9

Dr. Pia Prakash, MD

Gastroenterologist
4.82
·295 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 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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, Jun 22

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·82 reviews
Dr. Talati is smart, kind, empathetic, an excellent listener, and gives terrific advice. We love thim in our family! by RJClick to read more
14.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Rushi Talati is an experienced gastroenterologist at Gastro Center of MD in Riverdale, Gaithersburg, and Olney, MD. He also offers services to people with digestive conditions that affect their quality of life. Dr. Talati understands patients' conditions and prepares individualized treatment pl...Click to read more
Next available: Wed, Jun 17

Dr. Robert Byrne, MD

Gastroenterologist
4.70
·60 reviews
Great doctor, he listened to my issues & explained everything! I would definitely recommend him to my friends & family! - May 15, 2026 by Regina D.Click to read more
14 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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: Tue, Jun 30

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·225 reviews
I extremely recommend Dr Castillo he’s very nice & professional! - Feb 3, 2022 by Yessica D.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
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, Jun 22

Dr. Thi Khuc, MD

Gastroenterologist
4.89
·224 reviews
Highly recommend Dr. Khuc. She was very knowledgeable and answered all of my questions.Click to read more
14.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Thi Khuc is a skilled gastroenterologist currently practicing at the Gastro Center of MD in Columbia and Annapolis (MD). She is also certified by the American Board of Internal Medicine. After earning her medical degree from the University of Virginia, Dr. Khuc completed her internal medicine ...Click to read more
Next available: Mon, Jun 22

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·411 reviews
My first visit with Dr. Lowe was pleasant. He’s a great listener and made me feel very comfortable. I would recommend. - Jan 31, 2025Click to read more
14.5 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
Next available: Tue, Jun 23

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.86
·7 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
9.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: Tue, Jun 9

Dr. Pia Prakash, MD

Gastroenterologist
4.82
·295 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 ·
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: Wed, Jul 1

Dr. Dabo Xu, MD

Gastroenterologist
4.81
·418 reviews
Amazing service and friendly staff! Listened to all my concerns and did not dismiss any. Would recommend! - Feb 10, 2023 by Brynn R.Click to read more
19 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Next available: Thu, Jun 18

Dr. Robert Byrne, MD

Gastroenterologist
4.70
·60 reviews
Great doctor, he listened to my issues & explained everything! I would definitely recommend him to my friends & family! - May 15, 2026 by Regina D.Click to read more
19 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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, Jun 18

Dr. Rushi Talati, MD

Gastroenterologist
4.94
·82 reviews
Dr. Talati is smart, kind, empathetic, an excellent listener, and gives terrific advice. We love thim in our family! by RJClick to read more
19 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
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, Jun 19

Deidre Ann Fisher, FNP

Family Nurse Practitioner
5.00
·1 review
Diedre is a very approachable, knowledgable and thorough practitioner. I was genuinely listening to me as evidenced by her follow ups in the practice's patient portal. - Jun 2, 2026Click to read more
16.5 mi · 10110 Molecular Dr, Ste 209, Rockville, MD 20850
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Deidre Fisher, MSN, APRN, FNP-C, is a Family Nurse Practitioner with a 30-year career dedicated to patient care. Her journey in nursing began after graduating with a Bachelor of Science in Nursing from the University of Delaware, where she also participated in ARMY ROTC. Following her education, Dei...Click to read more
Next available: today

Dr. Jennie Zhang, DO

Gastroenterologist
4.59
·29 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
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, Jun 26

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·411 reviews
My first visit with Dr. Lowe was pleasant. He’s a great listener and made me feel very comfortable. I would recommend. - Jan 31, 2025Click to read more
19 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Mon, Jun 29

Christina Sasselli, NP

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

Dr. Eduardo Castillo, MD

Gastroenterologist
4.87
·225 reviews
I extremely recommend Dr Castillo he’s very nice & professional! - Feb 3, 2022 by Yessica D.Click to read more
23 mi · 1419 Forest Dr, Annapolis, MD 21403
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
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: tomorrow

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·28 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
14.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · UnitedHealthcare
Accepting new patients · Highly recommended
Next available: Mon, Jun 15

Dr. Michael H. Leonidov, MD

Family Physician
4.15
·265 reviews
The overall look of the office was dated but comfortable. He ran on time and was knowledgeable. I would recommend him. - Oct 11, 2025 by Michelle R.Click to read more
18 mi · 6206 Old Franconia Rd, Alexandria, VA 22310
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
PLEASE BE AWARE THAT WE DO NOT ACCEPT MEDICAID IN ANY FORM. This includes any Medicaid plans associated with another insurance. CHECK YOUR INSURANCE CARD CAREFULLY. We request that you DO NOT schedule an appointment if you are unsure that you will keep the appointment ! Once booked, please DO NOT...Click to read more
Next available: today

Rachel Sequeira, NP

Family Nurse Practitioner
5.00
·6 reviews
I was sent to this office because of bad info on Googles part, but got exemplary care regardless. They had the vaccines I needed and listened to my concerns. Rachel made sure I had all I needed and more before I left. by Amy C.Click to read more
19 mi · 7598 Telegraph Rd, Alexandria, VA 22315
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Hi, I’m Rachel Sequeira, MSN, RN, FNP-C. I’m a board-certified Family Nurse Practitioner based in Alexandria, VA. My background includes family medicine, weight loss, and aesthetic care, with additional training in holistic and alternative medicine. I’m passionate about creating a well-rounded appro...Click to read more
Next available: today

Dr. Urooj Ahmed, MD

Gastroenterologist
4.33
·33 reviews
Doctor was great, but when I asked the front desk attendant for a medical release form, she fought me on it. I needed a doctor to sign a medical release form saying I could get my records. Another very nice lady leaned in and said he’s right. I’ll help him. - Feb 27, 2025 by Dyllan G.Click to read more
23 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
Next available: Wed, Jul 1

James Amara, NP, APRN

Family Nurse Practitioner (Virtual)
Gaithersburg, MD
In-network · UnitedHealthcare
Accepting new patients · Offers video visits ·
Read bio
James Amara, FNP-BC is a board-certified Family Nurse Practitioner providing modern, patient-centered telehealth care. His practice focuses on primary care, kidney health, blood pressure management, and weight loss, helping patients manage both acute concerns and chronic conditions effectively. Wit...Click to read more
Next available: Sat, Jun 6

Dr. Avni Jain, MD

Family Physician
5.00
·1 review
- May 7, 2026 by John B.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
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: Wed, Jul 1

Dr. Lance Lasner, MD

Gastroenterologist
4.80
·20 reviews
Fantastic help and advice. Greatly appreciated! - Feb 11, 2026 by Jonathan D.Click to read more
29 mi · 5651 Stone Rd, Centreville,, VA 20120
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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

Dr. Shaffer Mok, MD

Gastroenterologist
5.00
·11 reviews
Nice informative visit. by SGClick 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: today

Melissa Nickols, PA

Physician Assistant (Gastroenterology)
4.86
·7 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
19 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · UnitedHealthcare
Accepting new patients · Excellent wait time ·
Read bio
Ms. Melissa Nickols is an experienced physician assistant who specializes in gastroenterology. She is based out of Maryland and offers in-person services at Gastro Center of MD in Silver Spring, Riverdale, and Gaithersburg. As part of her formal education, Ms. Nickols acquired a master's degree in ...Click to read more
Next available: Wed, Jun 24

Maria Layao, NP

Nurse Practitioner (Gastroenterology)
4.94
·63 reviews
Very good experience! She was very nice and welcoming and helped answer all of my questions and concerns - Jan 13, 2026 by Madisyn J.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

Courtney Ngo, NP

Nurse Practitioner (Gastroenterology)
4.91
·65 reviews
First time using this app- the NP Courtney is great and easy to communicate with. Overall smooth, quick, and minimal wait times by Ashleigh R.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: tomorrow

Dr. Alexander Mamunes, MD

Gastroenterologist
4.94
·200 reviews
Super fast, professional and clean. Love the staff! Highly recommended - May 20, 2026 by Devon R.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: today

Dr. Joshua Rosenbloom, DO

Gastroenterologist
4.83
·303 reviews
All of my needs were addressed with nurturing and educating - Feb 3, 2023 by Dax A.Click to read more
34.5 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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: tomorrow

Dr. Shaffer Mok, MD

Gastroenterologist
5.00
·11 reviews
Nice informative visit. by SGClick 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: Fri, Jun 5

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: tomorrow

Dr. Shaffer Mok, MD

Gastroenterologist
5.00
·11 reviews
Nice informative visit. by SGClick 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 · 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, Jun 10

Dr. Alexander Mamunes, MD

Gastroenterologist
4.94
·200 reviews
Super fast, professional and clean. Love the staff! Highly recommended - May 20, 2026 by Devon R.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: Wed, Jun 17

Hannah Clevenger, NP

Nurse Practitioner (Gastroenterology)
5.00
·28 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
37.5 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · UnitedHealthcare
Accepting new patients · Highly recommended
Next available: Thu, Jun 11

Dana Collins, NP

Nurse Practitioner
4.91
·275 reviews
Dana was amazing! Had a great first visit with her! - Jan 24, 2024 by Wanjiru W.Click to read more
37.5 mi · 50 Scott Adam Rd, Ste 102, Cockeysville, MD 21030
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
In addition to my practice at Resilience Healthcare, I teach nursing students at Bowie State University. I have spent the last 20 years providing urgent care and ER services at Providence Hospital Washington DC, Laurel Regional Hospital, MD, and the Washington Hospital Center. I have also worked ov...Click to read more
Next available: Thu, Jun 18

Mary Johnson, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·40 reviews
Mary was pleasant, patient and informative. I had fun talking to her. - Mar 25, 2026Click 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, Jun 8

Brendon Bower, APRN

Nurse Practitioner (Gastroenterology) (Virtual)
5.00
·35 reviews
Dr. Bower listened and was able to offer options right away. Excellent experience. - Feb 3, 2026 by TODD S.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: Mon, Jun 8

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, Jun 8

Dr. Rudrajit Rai, MD, FACG

Gastroenterologist
4.62
·13 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 · Excellent wait time ·
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. Dabo Xu, MD

Gastroenterologist
4.81
·418 reviews
Amazing service and friendly staff! Listened to all my concerns and did not dismiss any. Would recommend! - Feb 10, 2023 by Brynn R.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

Dr. Jennie Zhang, DO

Gastroenterologist
4.59
·29 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
6.5 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · UnitedHealthcare
Accepting new patients ·
Read bio
Dr. Jennie Zhang is a distinguished gastroenterologist. She practices at the Gastro Center of MD, serving patients in Silver Spring, Riverdale, and Olney, MD. Dr. Zhang completed her medical degree at the West Virginia School of Osteopathic Medicine and her residency in internal medicine at the Uni...Click to read more

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·411 reviews
My first visit with Dr. Lowe was pleasant. He’s a great listener and made me feel very comfortable. I would recommend. - Jan 31, 2025Click 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

Xinna Yi, APRN, RN, NP

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

Dr. Dhruv Lowe, MD

Gastroenterologist
4.88
·411 reviews
My first visit with Dr. Lowe was pleasant. He’s a great listener and made me feel very comfortable. I would recommend. - Jan 31, 2025Click to read more
9.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more

Dr. Pia Prakash, MD

Gastroenterologist
4.82
·295 reviews
Dr Prakash was just terrific. Attentive, personable, efficient, thorough. Actually enjoyed meeting her. - Jun 23, 2025 by Lisa S.Click to read more
9.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · UnitedHealthcare
Accepting new patients · Highly recommended ·
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. Kehinde Adedulu, CRNP, DNP

Family Nurse Practitioner
4.77
·13 reviews
It was nice, quiet, and personal.Click to read more
3.5 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
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

Yvonne Tubene, APRN, RN

Family Nurse Practitioner
4.47
·36 reviews
Love this doctor!! Highly recommend. Super patient and caring. - May 10, 2025 by Alexandra R.Click to read more
3.5 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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

Mariama Koroma, APRN, RN

Family Nurse Practitioner
4.37
·30 reviews
Great hospitality - Sep 11, 2024 by Bintou T.Click to read more
3.5 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
Read bio
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

Lilian Achi, APRN

Family Nurse Practitioner
3.5 mi · 7319 Hanover Pkwy, Ste B, Greenbelt, MD 20770
In-network · UnitedHealthcare
Also offers video visits · Accepting new patients ·
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

Arsha Pamir, CRNP, RN

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

Patients trust Zocdoc
Doctor is great. Great experience using Zocdoc and they even had availability sooner than the provider website
Kaleb M
Experience using Zocdoc and my provider was great! Exceeded my expectations
Ashley K
Made my life so much easier. As someone with chronic health conditions, Zocdoc makes it easy for me to build my medical team and keep track of everything!!
Rachel C
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
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.

Find doctors

        Zocdoc›Gastroenterologists›Baltimore, MD›College Park, MD›UnitedHealthcare