Geriatric Medicine Doctors (Internal Medicine) in Maryland
Data updated monthly · Last refresh October 2026
138 Geriatric Medicine (Internal Medicine) providers practice in Maryland, including 38 (28%) 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.
138providers
38telehealth
Baltimoretop city
Geriatric Medicine (Internal Medicine) by city in Maryland
Choose a city to see providers there.
Where Geriatric Medicine Doctors (Internal Medicine) in Maryland practice
From CMS Medicare enrollment records covering 62 of the 138 providers listed here (45%). Providers who do not bill Medicare are not included in these figures.
18%solo or small practice (under 10 clinicians)
16%mid-size group (10 to 99)
66%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Geriatric Medicine Doctors (Internal Medicine) | All clinicians in group | Main city |
| Johns Hopkins University | 22 | 2,886 | Baltimore |
| Johns Hopkins University | 5 | 711 | Baltimore |
| Medstar Medical Group II LLC | 4 | 3,726 | Baltimore |
| Johns Hopkins Community Physicians, Inc. | 4 | 764 | Baltimore |
| Agape Physical Therapy and Sports Rehabilitation LP | 3 | 684 | Forest Hill |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Geriatric Medicine Doctors (Internal Medicine) affiliated |
| Johns Hopkins Bayview Medical Center | Baltimore | Nonprofit | 3 of 5 | 23 |
| Johns Hopkins Hospital, the | Baltimore | Nonprofit | 5 of 5 | 21 |
| Medstar Good Samaritan Hospital | Baltimore | Nonprofit | 3 of 5 | 4 |
| Medstar Union Memorial Hospital | Baltimore | Nonprofit | 5 of 5 | 3 |
| Medstar Franklin Square Medical Center | Rosedale | Nonprofit | 3 of 5 | 2 |
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.
Geriatric Medicine (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. Josjin VazhappillyAnnapolis, MD · No drug or device payments recorded (2025) ·
(443) 949-0814 Dr. Nirav AgrawalAnnapolis, MD · No drug or device payments recorded (2025) ·
(443) 481-1000 Dr. Anirudh Sridharan, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0925 Dr. Anna MoniasBaltimore, MD · No drug or device payments recorded (2025) ·
(443) 849-3184 Dr. Arathi Kumar, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(443) 849-3184 Dr. Ariel Green, MD, MPHBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0100 Dr. Barbara Akin, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7000 Dr. Brian Wallace, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(443) 904-6999 Dr. Brock Beamer, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7000 Dr. Bruce Leff, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0925 Dr. Carla Rosenthal, MDBaltimore, MD · $318 in drug and device payments (2025) ·
(410) 323-7902 Dr. Cathy Larrain, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 738-0300 Dr. Cecilia Cai, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 766-1995 Dr. Charmian Sittambalam, MDBaltimore, MD · $1,425 in drug and device payments (2025) · Telehealth ·
(443) 777-7155 Dr. Chi-shiang Chen, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 332-8484 Dr. Colleen Christmas, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0925 Dr. Conrad May, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7000 Dr. Cynthia Boyd, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0925 Dr. Danelle Cayea, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0925 Dr. David Hurwitz, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-3350 Dr. Dima Hnoosh, M.D.Baltimore, MD · $71 in drug and device payments (2025) ·
(410) 328-4527 Dr. Elizabeth Phung, D.O.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 614-1574 Dr. Erwin Tan, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0925 Dr. Eskandar Yazaji, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 554-2284 Dr. Esther Oh, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0925 Dr. Fareeha Khan, MDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0470 Dr. Gloria Damien, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 719-0800 Dr. Halima Amjad, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-6337 Dr. Jacob Blumenthal, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7000 Dr. James Parshall, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(443) 444-4720 Dr. Jennifer Hayashi, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0925 Dr. Jeremy Barron, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-8765 Dr. Jessica Colburn, M.D.Baltimore, MD · $32 in drug and device payments (2025) · Telehealth ·
(410) 550-3350 Dr. Jocelyn El-sayed, M.D.Baltimore, MD · $83,589 in drug and device payments (2025) ·
(410) 601-2246 Dr. John Burton, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 550-0925 Dr. Josette Rivera, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-8680 Dr. Kendall Faulkner, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(443) 849-3184 Dr. Kennita Carter, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7651 Dr. Leslie Katzel, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 605-7248 Dr. Lolita Nidadavolu, M.D., PH.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0925 Dr. Mark Heuser, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 642-2411 Dr. Marta Zampino, MDBaltimore, MD · No drug or device payments recorded (2025) ·
(410) 502-2037 Dr. Mary Macgregor, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 662-4390 Dr. Mattan Schuchman, M.D.Baltimore, MD · $18 in drug and device payments (2025) · Telehealth ·
(410) 550-0931 Dr. Matthew Mcnabney, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 955-9441 Dr. Mfon Umoh, MD PHDBaltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-3350 Dr. Michele Bellantoni, M.D.Baltimore, MD · No drug or device payments recorded (2025) · Telehealth ·
(410) 550-0925 Dr. Nancy Jane Friedley, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 532-4480 Dr. Neha Kalaria, MDBaltimore, MD · $942 in drug and device payments (2025) · Telehealth ·
(410) 554-2284 Dr. Paul Schwartz, M.D.Baltimore, MD · No drug or device payments recorded (2025) ·
(410) 978-8343 Common questions
How many Geriatric Medicine (Internal Medicine) providers are in Maryland?There are 138 Geriatric Medicine (Internal Medicine) providers with active NPI records practicing in Maryland, according to federal NPPES data refreshed monthly.
Do Geriatric Medicine (Internal Medicine) providers in Maryland offer telehealth?Yes. 38 of the 138 Geriatric Medicine (Internal Medicine) providers in Maryland (about 28%) report offering telehealth services in CMS data.
Which cities in Maryland have the most Geriatric Medicine (Internal Medicine) providers?Baltimore (74), Silver Spring (7), Rockville (6) have the highest concentration of Geriatric Medicine (Internal Medicine) providers in Maryland.
How many Geriatric Medicine (Internal Medicine) providers in Maryland received drug or device company payments?28 of 138 Geriatric Medicine (Internal Medicine) providers in Maryland (20%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Geriatric Medicine Doctors (Internal Medicine) in Maryland work in independent practices or large health systems?Among 62 Geriatric Medicine Doctors (Internal Medicine) in Maryland enrolled in Medicare, 18% bill through a solo or small practice with fewer than 10 clinicians, 16% 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 Geriatric Medicine Doctors (Internal Medicine) in Maryland work at?According to CMS facility affiliation records, the Maryland hospitals where the most Geriatric Medicine Doctors (Internal Medicine) hold privileges are Johns Hopkins Bayview Medical Center in Baltimore; Johns Hopkins Hospital, the in Baltimore; Medstar Good Samaritan Hospital in Baltimore.
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