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Internal Medicine in Washington, Washington DC

Data updated monthly · Last refresh September 2026

883 Internal Medicine providers practice in Washington, and 28% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine providers in Washington

Listed alphabetically. 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. Charles Baron
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 741-3000
Dr. Charles Bier, MD
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 466-4646
Dr. Charles Howell, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 865-6620
Dr. Charlotte Dean, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 877-7545
Dr. Charlotte Jenchura, M.D.
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 444-8168
Dr. Chavon Onumah, M.D., M.P.H
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 741-2222
Dr. Chee Chan, MD
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 877-7856
Dr. Chelsea Pierce, D.O.
Washington, DC · $37 in drug and device payments (2025) · (202) 537-4000
Dr. Cherie Caleb, MD
Washington, DC · $32 in drug and device payments (2025) · Telehealth · (202) 346-3000
Dr. Cheryl Alston, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 663-2453
Dr. Chichi Udochi
Washington, DC · $174 in drug and device payments (2025) · Telehealth · (202) 204-7092
Dr. Chi-hyun Kim, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 741-2222
Dr. Christian Lefevre, M.D.
Washington, DC · $248 in drug and device payments (2025) · (202) 785-0034
Dr. Christina Puchalski, MD
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 741-3333
Dr. Christina Sensabaugh, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 741-3000
Dr. Christine Gordon, M.D
Washington, DC · No drug or device payments recorded (2025) · (202) 741-2222
Dr. Christine Wynne, PA C
Washington, DC · No drug or device payments recorded (2025) · (202) 293-3636
Dr. Christopher Degannes, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 865-3290
Dr. Christopher Duke, M.D.
Washington, DC · $186 in drug and device payments (2025) · Telehealth · (202) 244-9300
Dr. Christopher Itua, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 877-7000
Dr. Christopher Magliulo
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 627-1901
Dr. Christopher Mcmackin, MD
Washington, DC · $3,711 in drug and device payments (2025) · Telehealth · (202) 296-0043
Dr. Christopher Westley, MD
Washington, DC · $47 in drug and device payments (2025) · (202) 466-8118
Dr. Claudia Conlon, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 640-6633
Dr. Clyde Freeman, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 346-3000
Dr. Collette Spalding, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 346-3500
Dr. Collin Cullen, MD
Washington, DC · $114 in drug and device payments (2025) · Telehealth · (202) 966-2828
Dr. Conor Grey, DO
Washington, DC · $590 in drug and device payments (2025) · Telehealth · (202) 350-5000
Dr. Courtney Paul, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 741-3000
Dr. Crawford Parker, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 877-7000
Dr. Dalia Mobarek, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 745-8000
Dr. Dana Ackerly, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 953-0990
Dr. Dana Mcginty, MD
Washington, DC · $5,291 in drug and device payments (2025) · Telehealth · (202) 882-2565
Dr. Dana Mueller, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 483-8196
Dr. Daniel Chen, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 741-2222
Dr. Daniel Herman, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 745-8163
Dr. Daniel Jamieson, MD
Washington, DC · No drug or device payments recorded (2025) · (024) 448-8302
Dr. Daniel Larbi, M.D.
Washington, DC · $128 in drug and device payments (2025) · (202) 865-2356
Dr. Danielle Lefebvre, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 741-3000
Dr. Daniel Muhm
Washington, DC · No drug or device payments recorded (2025) · (202) 663-2453
Dr. Daniel Rosenthal, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 741-2222
Dr. Daniel Sulmasy, MD
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 444-8168
Dr. Daniel Wallach, MD
Washington, DC · $11 in drug and device payments (2025) · (202) 877-7000
Dr. Daniel Waterman, M.D.
Washington, DC · No drug or device payments recorded (2025) · (202) 546-4504
Dr. Daniel Young, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 362-7227
Dr. Danny Rayes, MD
Washington, DC · No drug or device payments recorded (2025) · (202) 444-8168
Dr. Daphne Gellerson, M.D.
Washington, DC · No drug or device payments recorded (2025) · Telehealth · (202) 204-7092
Dr. Darcy Diago Blanco, MD
Washington, DC · $3,866 in drug and device payments (2025) · (202) 741-3000
Dr. David Atkins, M.D.
Washington, DC · No drug or device payments recorded (2025) · (703) 626-7067
Dr. David Fessler, M.D.
Washington, DC · $494 in drug and device payments (2025) · (314) 458-6724

Conditions Internal Medicine providers in Washington, Washington DC 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.

Common questions

How many Internal Medicine providers are in Washington, Washington DC?

There are 883 Internal Medicine providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Washington received drug or device company payments?

247 of 883 (28%) 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 Washington treat?

Internal Medicine providers in Washington 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 records 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.

All specialties in Washington Internal Medicine across Washington DC

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.