Gastroenterologists in Maryland
Data updated monthly · Last refresh October 2026
503 Gastroenterology providers practice in Maryland, including 200 (40%) offering telehealth. The largest concentration is in Baltimore. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
503providers
200telehealth
Baltimoretop city
Gastroenterology by city in Maryland
Choose a city to see providers there.
Gastroenterology providers in Maryland
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Howard Lee, M.D.Joint Base Andrews, MD · No drug or device payments recorded (2025) ·
(240) 612-1560 Dr. Chinonyerem Enyinna, MD Dr. Mohammad Abdallah, MBBSLa Plata, MD · $211 in drug and device payments (2025) · Telehealth ·
(301) 609-4276 Dr. Jemilat Badamas, M.DLargo, MD · No drug or device payments recorded (2025) ·
(301) 618-5500 Dr. Peter Ritka, MDLargo, MD · No drug or device payments recorded (2025) ·
(301) 618-5578 Dr. Zone-en Lee, MDLargo, MD · $1,306 in drug and device payments (2025) · Telehealth ·
(301) 618-5500 Dr. Darryn Potosky, MDLaurel, MD · $20,760 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Grice Mcmullan, M.D.Laurel, MD · $1,042 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Jeffrey Bernstein, M.D. Dr. Jeffrey Garbis, M.D.Laurel, MD · No drug or device payments recorded (2025) ·
(301) 498-5500 Dr. Joseph Clinton, MDLaurel, MD · $605 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Lauren Halvorson, M.D.Laurel, MD · $1,136 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Marvin Lawrence, M.D.Laurel, MD · $1,618 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Priti Bijpuria, M.D.Laurel, MD · $751 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Richard Chasen, M.D.Laurel, MD · $821 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Sanam Razeghi, M.D.Laurel, MD · $922 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Sean Karp, MDLaurel, MD · $1,456 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Seema Patil, M.D.Laurel, MD · $1,225 in drug and device payments (2025) · Telehealth ·
(301) 498-5500 Dr. Vincent Sutliff, MDLaurel, MD · No drug or device payments recorded (2025) ·
(301) 953-3535 Dr. Anand Nath, MDLeonardtown, MD · $126 in drug and device payments (2025) · Telehealth ·
(301) 475-8918 Dr. Ripple Mehta, M.D.Leonardtown, MD · No drug or device payments recorded (2025) · Telehealth ·
(240) 434-7474 Dr. Umedchandra ShahLeonardtown, MD · $512 in drug and device payments (2025) · Telehealth ·
(301) 475-5577 Dr. David Cromwell, M.D.Lutherville, MD · $50 in drug and device payments (2025) · Telehealth ·
(410) 583-2920 Dr. David Kafonek, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 583-2630 Dr. Frederik Hansen, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 583-2630 Dr. Harold Tucker, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 583-2630 Dr. Ibrahim Razzak, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 583-2630 Dr. John Affronti, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 616-7650 Dr. John Covington, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 583-0300 Dr. Jordan Wolff, MDLutherville, MD · No drug or device payments recorded (2025) ·
(410) 339-5500 Dr. Linda Rosenthal, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 583-0300 Dr. Marshall Bedine, M.D.Lutherville, MD · $2,027 in drug and device payments (2025) ·
(410) 583-2633 Dr. Peter Belitsos, M.D.Lutherville, MD · No drug or device payments recorded (2025) ·
(410) 583-7106 Dr. David Hutcheon, M.D.Lutherville Timonium, MD · $431 in drug and device payments (2025) ·
(410) 583-2631 Dr. Florin Selaru, MDLutherville Timonium, MD · $526 in drug and device payments (2025) · Telehealth ·
(410) 583-2888 Dr. Vikesh Singh, M.D., M.S.Lutherville Timonium, MD · $66,611 in drug and device payments (2025) · Telehealth ·
(410) 502-6823 Dr. Sanford Richman, MDNorth Bethesda, MD · No drug or device payments recorded (2025) ·
(301) 468-7788 Dr. Sudhir Dutta, M.D.Nottingham, MD · $132 in drug and device payments (2025) · Telehealth ·
(410) 614-5127 Dr. Kunwardeep Sohal, M.D.Olney, MD · $170 in drug and device payments (2025) · Telehealth ·
(301) 774-8882 Dr. Marc Kozam, MDOlney, MD · No drug or device payments recorded (2025) · Telehealth ·
(301) 774-4400 Dr. Howard Schwartz, M.D.Owings Mills, MD · $1,053 in drug and device payments (2025) · Telehealth ·
(410) 356-2396 Dr. Abdulhosein Adham, M.D.Oxon Hill, MD · $1,705 in drug and device payments (2025) · Telehealth ·
(240) 238-0077 Dr. Eric Lavery, M.D.Oxon Hill, MD · $321 in drug and device payments (2025) · Telehealth ·
(301) 292-7270 Dr. Jonathan Mccone, M.D.Oxon Hill, MD · No drug or device payments recorded (2025) ·
(301) 567-2400 Dr. Karen Chachu, MDOxon Hill, MD · $125 in drug and device payments (2025) · Telehealth ·
(240) 737-0085 Conditions Gastroenterology providers in Maryland commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Maryland?There are 503 Gastroenterology providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Gastroenterology providers in Maryland offer telehealth?Yes. 200 of the 503 Gastroenterology providers in Maryland (about 40%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Gastroenterology providers?Baltimore (132), Rockville (38), Bethesda (35) have the highest concentration of Gastroenterology providers in Maryland.
How many Gastroenterology providers in Maryland received drug or device company payments?325 of 503 Gastroenterology providers in Maryland (65%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Gastroenterology providers in Maryland treat?Gastroenterology providers commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Gastroenterologists in Maryland work in independent practices or large health systems?Among 305 Gastroenterologists in Maryland enrolled in Medicare, 14% bill through a solo or small practice with fewer than 10 clinicians, 20% through a mid-size group of 10 to 99, and 66% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Gastroenterologists in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Gastroenterologists hold privileges are Johns Hopkins Hospital, the in Baltimore; Johns Hopkins Bayview Medical Center in Baltimore; Adventist Healthcare Shady Grove Medical Center in Rockville.
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