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258 verified Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville, MD
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 10/13/2026
Availability last updated 10/13/2026
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 · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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: tomorrow
Gastroenterologist
4.67
·15 reviews
very professional and thorough. listened and asked questions by Hermione C.Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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: tomorrow
Gastroenterologist
4.84
·43 reviews
Great first visit. Very personable and seemed truly interested in helping! - Jun 8, 2026 by Howard S.Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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: Thu, Oct 15
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
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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: Thu, Oct 15
Family Nurse Practitioner (Virtual)
4.15
·890 reviews
Dr. Obi was informative, friendly and thorough. Her office staff was helpful and welcoming. - Dec 30, 2023 by Kali W.Click to read more
Silver Spring, MD
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Offers video visits ·
Read bio
Dr. Elizabeth Obi, DNP, has acquired more than 20 years of professional experience. She earned her Doctor of Nursing Practice from Chamberlain University and completed her Family Nursing education at Mountain State University. At Washington Medical Clinic LLC, we care for children, adults, and the e...Click to read more
Next available: Wed, Oct 21
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
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Next available: Fri, Oct 16
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
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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: Mon, Oct 19
Gastroenterologist
4.92
·218 reviews
Very friendly staff The doctor was very nice, listening and took time to explain any question I asked. - May 15, 2026Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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, Oct 20
Gastroenterologist
4.90
·552 reviews
Great doctor. Very direct and specific. Good listener. And they have own Lab Corp, that makes you save your time. - Mar 4, 2022 by Daryna O.Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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, Oct 19
Gastroenterologist
4.92
·100 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
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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, Oct 21
Gastroenterologist
4.86
·114 reviews
Clear communication, friendly and great listeners. Threads the needle of professionalism and personable perfectly. - Feb 27, 2026 by Vernon B.Click to read more
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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: Wed, Oct 28
Gastroenterologist
4.90
·231 reviews
Highly recommend Dr. Khuc. She was very knowledgeable and answered all of my questions.Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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, Oct 29
Gastroenterologist
4.90
·231 reviews
Highly recommend Dr. Khuc. She was very knowledgeable and answered all of my questions.Click to read more
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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
Gastroenterologist
4.81
·304 reviews
Very friendly staff. Doctor and PA listened and made me feel very comfortable. - Oct 3, 2022Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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: Wed, Nov 4
Physician Assistant (Gastroenterology)
4.94
·18 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
15 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · Wellpoint (formerly Amerigroup)
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: Mon, Oct 26
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
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time
Next available: Tue, Oct 20
Family Nurse Practitioner
5.00
·1 review
18.5 mi · 9650 Santiago Rd, Ste 7, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Thank you for booking with us. NOTE: There is a $75 no-show and late-cancellation fee in place. Bonnie A. Franckowiak, DNP, FNP-BC, is a board-certified Family Nurse Practitioner and accomplished nursing educator with over three decades of clinical and academic experience. She earned her Doctor of ...Click to read more
Next available: Mon, Jan 4
Gastroenterologist
4.84
·43 reviews
Great first visit. Very personable and seemed truly interested in helping! - Jun 8, 2026 by Howard S.Click to read more
30.5 mi · 21 Crossroads Dr, Ste 205, Owings Mills, MD 21117
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time · Expertise in upper gi endoscopy + 2 more ·
Read bio
Dr. Shaffer Mok is a skilled gastroenterologist. He practices at Gastro Center of MD in Owings Mills, Nottingham, and Lutherville Timonium, MD. With a patient-centered approach, Dr. Mok takes the time to understand each individual's symptoms, concerns, and lifestyle, fostering a trusting and collab...Click to read more
Next available: Mon, Oct 19
Gastroenterologist
4.84
·43 reviews
Great first visit. Very personable and seemed truly interested in helping! - Jun 8, 2026 by Howard S.Click to read more
37 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · Wellpoint (formerly Amerigroup)
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
Gastroenterologist
4.92
·218 reviews
Very friendly staff The doctor was very nice, listening and took time to explain any question I asked. - May 15, 2026Click to read more
37 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Alexander Mamunes is a reliable and accomplished internist. Catering to the people of Columbia and Timonium, MD, he works at the Gastro Center of MD, treating various complex chronic disorders in adults. As a part of his educational training, Dr. Mamunes acquired his medical degree from the Un...Click to read more
Next available: Thu, Oct 15
Gastroenterologist
4.82
·316 reviews
Quick in and out & very professional doctor. Very pleased with my experience. by ADClick to read more
37 mi · 1212 York Rd, Ste B201, Lutherville Timonium, MD 21093
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Expertise in acid reflux + 4 more ·
Read bio
Dr. Josh Rosenbloom is a Board-Certified physician who specializes in both Gastroenterology and hepatology. Dr. Rosenbloom received his medical degree from Des Moines University and completed his internal medicine residency and Gastroenterology fellowship at St. John Providence health system through...Click to read more
Next available: Thu, Oct 15
Gastroenterologist
4.92
·218 reviews
Very friendly staff The doctor was very nice, listening and took time to explain any question I asked. - May 15, 2026Click to read more
42 mi · 4940 Campbell Blvd, Ste 140, Nottingham, MD 21236
In-network · Wellpoint (formerly Amerigroup)
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, Oct 21
Nurse Practitioner
4.91
·292 reviews
They were all so nice and listened to any of my concerns. It was my first time going there and I felt so comfortable! by Leighanna B.Click to read more
38.5 mi · 50 Scott Adam Rd, Ste 102, Cockeysville, MD 21030
In-network · Wellpoint (formerly Amerigroup)
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, Nov 26
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
2.5 mi · 15225 Shady Grove Rd,, Ste 304, Rockville, MD 20850
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Gastroenterologist
4.82
·431 reviews
Great experience, had a bit of a wait but was kept updated. - Apr 21, 2023 by Daniel D.Click to read more
5.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Gastroenterologist
4.92
·100 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
5.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Wellpoint (formerly Amerigroup)
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
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
5.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Gastroenterologist
4.81
·304 reviews
Very friendly staff. Doctor and PA listened and made me feel very comfortable. - Oct 3, 2022Click to read more
5.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · Wellpoint (formerly Amerigroup)
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
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
5.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Gastroenterologist
4.82
·431 reviews
Great experience, had a bit of a wait but was kept updated. - Apr 21, 2023 by Daniel D.Click to read more
7 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Gastroenterologist
4.92
·100 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
7 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · Wellpoint (formerly Amerigroup)
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
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
7 mi · 10301 Georgia Ave, Ste 208, Silver Spring, MD 20902
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Family Nurse Practitioner (Virtual)
Rockville, MD
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Offers video visits ·
Read bio
Compassionate and dedicated Family Nurse Practitioner with experience in family medicine and correctional healthcare settings. Skilled in comprehensive patient assessments, chronic disease management, acute care treatment, health education, and preventive care. Proven ability to deliver high-quality...Click to read more
Family Nurse Practitioner
4 mi · 11119 Rockville Pike, Ste 207, Rockville, MD 20852
In-network · Wellpoint (formerly Amerigroup)
Also offers video visits · Accepting new patients ·
Read bio
Compassionate and dedicated Family Nurse Practitioner with experience in family medicine and correctional healthcare settings. Skilled in comprehensive patient assessments, chronic disease management, acute care treatment, health education, and preventive care. Proven ability to deliver high-quality...Click to read more
Nurse Practitioner (Gastroenterology)
5.00
·3 reviews
5.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time ·
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
Physician Assistant (Gastroenterology)
4.94
·18 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
5.5 mi · 501 N Frederick Ave, Ste 204, Gaithersburg, MD 20877
In-network · Wellpoint (formerly Amerigroup)
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
Physician Assistant (Gastroenterology)
4.94
·18 reviews
It was easy to find a doctor and fast as i need it. by Ervin A.Click to read more
5.5 mi · 5622 Shields Dr, Bethesda, MD 20817
In-network · Wellpoint (formerly Amerigroup)
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
Nurse Practitioner (Gastroenterology)
4.78
·18 reviews
7 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time
Nurse Practitioner (Gastroenterology)
5.00
·3 reviews
7 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time ·
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
Physician Assistant (Gastroenterology)
4.56
·9 reviews
7 mi · 3405 Olandwood Ct, Ste 101-104, Olney, MD 20832
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients
Gastroenterologist
4.67
·15 reviews
very professional and thorough. listened and asked questions by Hermione C.Click to read more
15 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · Wellpoint (formerly Amerigroup)
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
Gastroenterologist
4.92
·218 reviews
Very friendly staff The doctor was very nice, listening and took time to explain any question I asked. - May 15, 2026Click to read more
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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
Gastroenterologist
4.90
·552 reviews
Great doctor. Very direct and specific. Good listener. And they have own Lab Corp, that makes you save your time. - Mar 4, 2022 by Daryna O.Click to read more
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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
Gastroenterologist
4.82
·431 reviews
Great experience, had a bit of a wait but was kept updated. - Apr 21, 2023 by Daniel D.Click to read more
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Gastroenterologist
4.84
·43 reviews
Great first visit. Very personable and seemed truly interested in helping! - Jun 8, 2026 by Howard S.Click to read more
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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
Gastroenterologist
4.81
·304 reviews
Very friendly staff. Doctor and PA listened and made me feel very comfortable. - Oct 3, 2022Click to read more
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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
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
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 2 more
Gastroenterologist
4.86
·114 reviews
Clear communication, friendly and great listeners. Threads the needle of professionalism and personable perfectly. - Feb 27, 2026 by Vernon B.Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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
Gastroenterologist
4.82
·431 reviews
Great experience, had a bit of a wait but was kept updated. - Apr 21, 2023 by Daniel D.Click to read more
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait timeExpertise in upper gi endoscopy + 4 more
Nurse Practitioner (Gastroenterology)
5.00
·3 reviews
15 mi · 6502 Kenilworth Ave, Ste 100, Riverdale, MD 20737
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time ·
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
Nurse Practitioner (Gastroenterology)
4.78
·18 reviews
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time
Physician Assistant (Gastroenterology)
4.56
·9 reviews
17.5 mi · 7130 Minstrel Way, Ste 215, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients
Physician Assistant (Gastroenterology)
4.56
·9 reviews
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients
Nurse Practitioner (Gastroenterology)
4.78
·18 reviews
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
Accepting new patients · Highly recommended · Excellent wait time
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
18 mi · 7120 Minstrel Way, Ste 100, Columbia, MD 21045
In-network · Wellpoint (formerly Amerigroup)
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

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Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Rockville who takes Wellpoint (formerly Amerigroup) insurance?

On average, patients who use Zocdoc can search for a Gastroenterologist in Rockville who takes Wellpoint (formerly Amerigroup) 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 Rockville who accept Wellpoint (formerly Amerigroup) insurance and make an appointment online.


How can I find a Gastroenterologist in Rockville who takes Wellpoint (formerly Amerigroup)?

Zocdoc lets you search specifically for a Gastroenterologist in Rockville who takes Wellpoint (formerly Amerigroup). 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 Wellpoint (formerly Amerigroup) Gastroenterologist in Rockville?

Zocdoc is a free online service that helps patients find Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville and book appointments instantly. You can search for Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville 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 Rockville who takes Wellpoint (formerly Amerigroup) insurance?

When you search for Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville who match your preferences.


How can I find a Wellpoint (formerly Amerigroup) Gastroenterologist in Rockville who sees patients after hours?

On Zocdoc, you can search specifically for Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville with availability after 5 p.m.


How can I find a top-rated Wellpoint (formerly Amerigroup) Gastroenterologist in Rockville?

You can use Zocdoc to find Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville 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 Rockville?

Gastroenterologists in Rockville 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 Wellpoint (formerly Amerigroup)?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Rockville who accept Wellpoint (formerly Amerigroup) 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 Wellpoint (formerly Amerigroup) Gastroenterologist in Rockville 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 Wellpoint (formerly Amerigroup) Gastroenterologist in Rockville who sees patients during the weekend?

Zocdoc let's you see real-time availability for Wellpoint (formerly Amerigroup) Gastroenterologists in Rockville. Many Wellpoint (formerly Amerigroup) Gastroenterologists offer appointments on Saturdays and Sundays.


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