Internal Medicine Doctors in Maryland
Data updated monthly · Last refresh October 2026
3,878 Internal Medicine providers practice in Maryland, including 999 (26%) 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.
3,878providers
999telehealth
Baltimoretop city
Internal Medicine by city in Maryland
Choose a city to see providers there.
Internal Medicine 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. Grant WilsonBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Dr. Gregory Allen, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 955-7911 Dr. Gregory Branch, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 887-2773 Dr. Gregory Lalonde, MDBaltimore, MD · $16 in drug and device payments (2025) · Telehealth ·
(410) 225-8000 Dr. Gregory Lucas, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-1725 Dr. Gregory NizialekBaltimore, MD · No drug or device payments recorded (2025) ·
(443) 777-7000 Dr. Gregory Prokopowicz, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-9434 Dr. Gregory Ross, M.D.Baltimore, MD · $112 in drug and device payments (2025) · Telehealth ·
(410) 685-8665 Dr. Gregory Walker, MDBaltimore, MD · $351 in drug and device payments (2025) ·
(410) 235-8858 Dr. Gulab Shah, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 945-0404 Dr. Guraman Bhullar, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-2280 Dr. Gwen Du Bois, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 601-0070 Dr. Haider Naqvi, MDBaltimore, MD · $68 in drug and device payments (2025) ·
(443) 777-7116 Dr. Hamida Patel, M.D.Baltimore, MD · $14 in drug and device payments (2025) ·
(410) 529-9200 Dr. Hamid Kargbo, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-4453 Dr. Hamza Atta Khan, MDBaltimore, MD · $59 in drug and device payments (2025) ·
(410) 601-0594 Dr. Haneen Aibak, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 350-3565 Dr. Hania Mumtaz, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0100 Dr. Hao Liu, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 777-4458 Dr. Harish PillaiBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 601-5284 Dr. Harjit Singh, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 636-1470 Dr. Harry Harris, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 225-8154 Dr. Harry Kaplan, MDBaltimore, MD · $5,075 in drug and device payments (2025) ·
(410) 653-0073 Dr. Harry Leider, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 769-1613 Dr. Harry Walen, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 415-5806 Dr. Harshkumar Patel, MBBSBaltimore, MD · $84 in drug and device payments (2025) ·
(800) 492-5538 Dr. Harsh Patel, MDBaltimore, MD · $40 in drug and device payments (2025) ·
(410) 225-8790 Dr. Hasan Awan, M.DBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 242-5350 Dr. Hasan Imanli, MDBaltimore, MD · $40 in drug and device payments (2025) ·
(410) 383-2072 Dr. Hassan Nasser, M.D.Baltimore, MD · $19 in drug and device payments (2025) · Telehealth ·
(410) 554-6740 Dr. Haya Al SuradiBaltimore, MD · $125 in drug and device payments (2025) ·
(410) 955-5000 Dr. Haytham AllahamBaltimore, MD · $1,707 in drug and device payments (2025) ·
(410) 328-7877 Dr. Heather Agee, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-5633 Dr. Helen Prevas, M.D.Baltimore, MD · $119 in drug and device payments (2025) ·
(410) 955-7911 Dr. Hema Patel, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 448-2500 Dr. Henrick Ryan Fong, MDBaltimore, MD · $24 in drug and device payments (2025) · Telehealth ·
(667) 234-6000 Dr. Henry Michtalik, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 614-1135 Dr. Herbert Friedman, M.D.Baltimore, MD · $16 in drug and device payments (2025) · Telehealth ·
(410) 532-8000 Dr. Herman Brecher, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 486-8855 Dr. Hilary Don, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 464-6238 Dr. Himani Shah, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 849-3760 Dr. Himati Patel, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-7605 Dr. Hina Ghafoor, MDBaltimore, MD · $765 in drug and device payments (2025) · Telehealth ·
(410) 323-2757 Dr. Hmu Minn, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(443) 849-3760 Dr. Howard Goldstein, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 471-3270 Dr. Howard Graham, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 328-6110 Dr. Htay Myint, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 332-9359 Dr. Iana Gorbett, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(443) 777-7676 Dr. Ibukunola Adediji, PABaltimore, MD · $33 in drug and device payments (2025) ·
(443) 777-7000 Dr. Idris KosokoBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-5000 Conditions Internal Medicine providers in Maryland commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Maryland?There are 3,878 Internal Medicine providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Maryland offer telehealth?Yes. 999 of the 3,878 Internal Medicine providers in Maryland (about 26%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Internal Medicine providers?Baltimore (1,267), Bethesda (285), Silver Spring (184) have the highest concentration of Internal Medicine providers in Maryland.
How many Internal Medicine providers in Maryland received drug or device company payments?1,329 of 3,878 Internal Medicine providers in Maryland (34%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Maryland treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Internal Medicine Doctors in Maryland work in independent practices or large health systems?Among 2,162 Internal Medicine Doctors in Maryland enrolled in Medicare, 18% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Internal Medicine Doctors hold privileges are Johns Hopkins Hospital, the in Baltimore; Johns Hopkins Bayview Medical Center in Baltimore; Luminis Health Anne Arundel Medical Center, Inc. in Annapolis.
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