HealthcareDiscovery.AI / Doctors / Maryland / Gastroenterology

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 in Baltimore132 providers
Gastroenterology in Rockville38 providers
Gastroenterology in Bethesda35 providers
Gastroenterology in Columbia24 providers
Gastroenterology in Annapolis24 providers
Gastroenterology in Frederick23 providers
Gastroenterology in Silver Spring21 providers
Gastroenterology in Chevy Chase17 providers
Gastroenterology in Laurel14 providers
Gastroenterology in Lutherville11 providers
Gastroenterology in Hagerstown11 providers
Gastroenterology in Towson10 providers
Gastroenterology in Catonsville10 providers
Gastroenterology in Glen Burnie7 providers
Gastroenterology in Waldorf7 providers
Gastroenterology in Greenbelt6 providers
Gastroenterology in Clinton6 providers
Gastroenterology in Oxon Hill6 providers
Gastroenterology in Prince Frederick6 providers
Gastroenterology in Abingdon6 providers
Gastroenterology in Easton6 providers
Gastroenterology in Berlin5 providers
Gastroenterology in Olney5 providers
Gastroenterology in Bowie5 providers

Where Gastroenterologists in Maryland practice

From CMS Medicare enrollment records covering 305 of the 503 providers listed here (61%). Providers who do not bill Medicare are not included in these figures.

14%solo or small practice (under 10 clinicians)
20%mid-size group (10 to 99)
66%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)GastroenterologistsAll clinicians in groupMain city
Capital Digestive Care LLC49241Rockville
Johns Hopkins University382,886Baltimore
Johns Hopkins University19711Baltimore
Lifebridge Community Gastroenterology LLC1754Pikesville
Chesapeake Digestive Associates, PC1738Annapolis

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingGastroenterologists affiliated
Johns Hopkins Hospital, theBaltimoreNonprofit5 of 539
Johns Hopkins Bayview Medical CenterBaltimoreNonprofit3 of 532
Adventist Healthcare Shady Grove Medical CenterRockvilleNonprofit2 of 526
Frederick Health HospitalFrederickNonprofit3 of 526
University of MD Baltimore Washington Medical CenterGlen BurnieNonprofit5 of 522

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

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. Asheesh Sood, MD
Abingdon, MD · $1,520 in drug and device payments (2025) · (443) 347-4700
Dr. Eiad Nasser, MD
Abingdon, MD · $432 in drug and device payments (2025) · (443) 347-4700
Dr. Oluwasayo Adeyemo, MD/MPH
Abingdon, MD · $1,311 in drug and device payments (2025) · (443) 347-4700
Dr. Peter Park, MD
Abingdon, MD · $1,083 in drug and device payments (2025) · (443) 347-4700
Dr. Vedapurisan Viswanathan, MD
Abingdon, MD · No drug or device payments recorded (2025) · (443) 347-4700
Dr. Weitong Mu, MD, PHD
Abingdon, MD · $708 in drug and device payments (2025) · (443) 643-4700
Dr. Anthony Calabrese, M.D.
Annapolis, MD · $55 in drug and device payments (2025) · (410) 224-2116
Dr. Barry Cukor, MD
Annapolis, MD · $946 in drug and device payments (2025) · Telehealth · (410) 224-4887
Dr. Benjamin Schwartz, MD
Annapolis, MD · $360 in drug and device payments (2025) · (443) 569-3855
Dr. Charles King, M.D.
Annapolis, MD · $150 in drug and device payments (2025) · (410) 224-4887
Dr. Christopher Olenec, MD
Annapolis, MD · $826 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Christopher Schultz, M.D.
Annapolis, MD · $43 in drug and device payments (2025) · (410) 224-2116
Dr. David Jencks
Annapolis, MD · $124 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Douglas Dykman, M.D.
Annapolis, MD · No drug or device payments recorded (2025) · (410) 224-2116
Dr. James Blake, M.D.
Annapolis, MD · No drug or device payments recorded (2025) · (410) 224-2116
Dr. John Newman, M.D.
Annapolis, MD · No drug or device payments recorded (2025) · (410) 224-2116
Dr. Kent Aje, MD
Annapolis, MD · $694 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Kevin Wolov, D.O.
Annapolis, MD · $3,010 in drug and device payments (2025) · (410) 224-4887
Dr. Lindsay Matthews, MD
Annapolis, MD · No drug or device payments recorded (2025) · (410) 224-2116
Dr. Mark Flasar, M.D.
Annapolis, MD · $18,696 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Melanie Jackson, M.D.
Annapolis, MD · $1,229 in drug and device payments (2025) · (410) 224-2116
Dr. Michael Epstein, M.D.
Annapolis, MD · $89 in drug and device payments (2025) · (410) 224-4887
Dr. Michael Peters, M.D.
Annapolis, MD · No drug or device payments recorded (2025) · (410) 224-2116
Dr. Praveena Velamati, M.D.
Annapolis, MD · $733 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Raja Taunk, M.D.
Annapolis, MD · $54,609 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Raza Hasan, M.D.
Annapolis, MD · $1,532 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Shadi Razmdjou, MD
Annapolis, MD · $16 in drug and device payments (2025) · (410) 224-4887
Dr. Suzanne Sankey, M.D.
Annapolis, MD · No drug or device payments recorded (2025) · (410) 224-2116
Dr. Thomas Simcox, MD
Annapolis, MD · $53 in drug and device payments (2025) · Telehealth · (410) 224-2116
Dr. Vishnupriya Krishna, MD
Annapolis, MD · $2,879 in drug and device payments (2025) · (410) 224-4887
Dr. Charles Cattano, M.D.
Arnold, MD · No drug or device payments recorded (2025) · (410) 353-3374
Dr. Abdulhameed Al-sabban, MBBS
Baltimore, MD · $688 in drug and device payments (2025) · Telehealth · (410) 328-5780
Dr. Abhijit Bhatia, MD
Baltimore, MD · $51 in drug and device payments (2025) · Telehealth · (410) 247-7500
Dr. Ahmet Gurakar, MD
Baltimore, MD · $1,275 in drug and device payments (2025) · (410) 955-0500
Dr. Alan Chen, M.D.
Baltimore, MD · $241 in drug and device payments (2025) · Telehealth · (443) 777-2475
Dr. Albert Fleisher, M.D.
Baltimore, MD · $425 in drug and device payments (2025) · (443) 777-2475
Dr. Alia Dadabhai, M.D.
Baltimore, MD · $354 in drug and device payments (2025) · Telehealth · (410) 955-5000
Dr. Aline Charabaty-pishvaian
Baltimore, MD · $87,384 in drug and device payments (2025) · Telehealth · (410) 328-2877
Dr. Alyssa Parian, MD
Baltimore, MD · $17,419 in drug and device payments (2025) · (410) 550-5122
Dr. Aminur Khan, M.D.
Baltimore, MD · $2,172 in drug and device payments (2025) · Telehealth · (410) 296-4210
Dr. Amit Kashyap, MD
Baltimore, MD · $25 in drug and device payments (2025) · (240) 429-5503
Dr. Amit Mehta, M.D
Baltimore, MD · No drug or device payments recorded (2025) · Telehealth · (410) 502-3699
Dr. Amy Kim, M.D.
Baltimore, MD · $3,644 in drug and device payments (2025) · Telehealth · (410) 614-3530
Dr. Andrew Rosenstein, M.D.
Baltimore, MD · $642 in drug and device payments (2025) · Telehealth · (410) 296-4210
Dr. Anita Sivaraman, M.D.
Baltimore, MD · $224 in drug and device payments (2025) · (443) 849-3400
Dr. Anne Marie O'broin Lennon, MD PHD
Baltimore, MD · No drug or device payments recorded (2025) · Telehealth · (410) 502-3147
Dr. Anthony Kalloo, M.D.
Baltimore, MD · $149 in drug and device payments (2025) · Telehealth · (410) 955-4166
Dr. Anurag Maheshwari, M.D.
Baltimore, MD · $203,485 in drug and device payments (2025) · Telehealth · (410) 332-9356
Dr. Anusha Vittal, M.B.B.S
Baltimore, MD · $553 in drug and device payments (2025) · Telehealth · (443) 777-2609
Dr. Arjun Vaid, M.D.
Baltimore, MD · $590 in drug and device payments (2025) · (410) 602-9343

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.

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.

Related reading on HealthcareDiscovery.AI

Gastroenterology in all 50 states Search all 503 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Gastroenterology in Maryland? Get featured.