Geriatric Medicine Doctors (Internal Medicine) in Washington DC
Data updated monthly · Last refresh October 2026
22 Geriatric Medicine (Internal Medicine) providers practice in Washington DC, including 8 (36%) offering telehealth. The largest concentration is in Washington. 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.
22providers
8telehealth
Washingtontop city
Where Geriatric Medicine Doctors (Internal Medicine) in Washington DC practice
From CMS Medicare enrollment records covering 12 of the 22 providers listed here (55%). Providers who do not bill Medicare are not included in these figures.
17%solo or small practice (under 10 clinicians)
25%mid-size group (10 to 99)
58%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 |
| Medical Faculty Associates, Inc. | 5 | 676 | Washington |
| Howard University | 2 | 182 | Washington |
| Medstar Total Elder Care, LLC | 2 | 27 | Washington |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Geriatric Medicine Doctors (Internal Medicine) affiliated |
| George Washington Univ Hospital | Washington | For-profit | 2 of 5 | 6 |
| Medstar Washington Hospital Center | Washington | Nonprofit | 3 of 5 | 4 |
| Howard University Hospital Corp. | Washington | Nonprofit | 1 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 Washington DC
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. Austin Armstrong, MDWashington, DC · No drug or device payments recorded (2025) · Telehealth ·
(202) 877-0570 Dr. Christina Prather, MDWashington, DC · $18 in drug and device payments (2025) · Telehealth ·
(202) 741-2222 Dr. Elizabeth Cobbs, MDWashington, DC · No drug or device payments recorded (2025) ·
(202) 741-2222 Dr. Guy Vin Chang, M.D.Washington, DC · $35 in drug and device payments (2025) · Telehealth ·
(202) 877-7000 Dr. James Cooper, MDWashington, DC · No drug or device payments recorded (2025) ·
(202) 741-2191 Dr. Laila Alamgir, MDWashington, DC · No drug or device payments recorded (2025) ·
(202) 865-3290 Dr. Louisa Whitesides, M.D.Washington, DC · No drug or device payments recorded (2025) · Telehealth ·
(202) 953-0990 Dr. Mikhail Kogan, MDWashington, DC · $130 in drug and device payments (2025) · Telehealth ·
(202) 741-2222 Dr. Nickie Lepcha, M.D.Washington, DC · No drug or device payments recorded (2025) ·
(202) 338-5050 Dr. Paul Rhodes, M.D.Washington, DC · No drug or device payments recorded (2025) · Telehealth ·
(202) 683-4340 Dr. Raj Mathur, MDWashington, DC · $400 in drug and device payments (2025) ·
(202) 722-0149 Dr. Robert Blackmon, M.D.Washington, DC · No drug or device payments recorded (2025) ·
(202) 561-4190 Dr. Robert Jayes, M.D.Washington, DC · No drug or device payments recorded (2025) ·
(202) 741-2222 Dr. Sharyn Horwitz, MDWashington, DC · No drug or device payments recorded (2025) ·
(240) 351-8962 Dr. Sonika Pandey, M.D.Washington, DC · No drug or device payments recorded (2025) ·
(202) 745-8000 Dr. Srikar Katneni, MDWashington, DC · No drug or device payments recorded (2025) ·
(202) 745-8000 Dr. Stephanie Bruce, MDWashington, DC · No drug or device payments recorded (2025) ·
(202) 877-0570 Dr. Tahira Lodhi, M.D.Washington, DC · No drug or device payments recorded (2025) · Telehealth ·
(202) 741-2191 Dr. Thomas Edes, M.D.Washington, DC · No drug or device payments recorded (2025) ·
(202) 745-8422 Dr. Thomas Obisesan, MDWashington, DC · $80 in drug and device payments (2025) ·
(202) 865-3290 Dr. Victoria Fedorova, M.D.Washington, DC · No drug or device payments recorded (2025) · Telehealth ·
(202) 854-7785 Dr. Yavar FarzanfarWashington, DC · No drug or device payments recorded (2025) ·
(202) 745-8000 Common questions
How many Geriatric Medicine (Internal Medicine) providers are in Washington DC?There are 22 Geriatric Medicine (Internal Medicine) providers with active NPI records practicing in Washington DC, according to federal NPPES data refreshed monthly.
Do Geriatric Medicine (Internal Medicine) providers in Washington DC offer telehealth?Yes. 8 of the 22 Geriatric Medicine (Internal Medicine) providers in Washington DC (about 36%) report offering telehealth services in CMS data.
Which cities in Washington DC have the most Geriatric Medicine (Internal Medicine) providers?Washington (22) have the highest concentration of Geriatric Medicine (Internal Medicine) providers in Washington DC.
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 Washington DC work in independent practices or large health systems?Among 12 Geriatric Medicine Doctors (Internal Medicine) in Washington DC enrolled in Medicare, 17% bill through a solo or small practice with fewer than 10 clinicians, 25% through a mid-size group of 10 to 99, and 58% 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 Washington DC work at?According to CMS facility affiliation records, the Washington DC hospitals where the most Geriatric Medicine Doctors (Internal Medicine) hold privileges are George Washington Univ Hospital in Washington; Medstar Washington Hospital Center in Washington; Howard University Hospital Corp. in Washington.
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