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Sleep Medicine (Internal Medicine) in Washington, Washington DC

Data updated monthly · Last refresh September 2026

5 Sleep Medicine (Internal Medicine) providers practice in Washington. Listings are drawn from federal public records and are not endorsements.

Sleep Medicine (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. Christine Zhang, M.D.
Washington, DC · $137 in drug and device payments (2025) · Telehealth · (202) 444-1175
Dr. Joseph Parker, M.D.
Washington, DC · $9,538 in drug and device payments (2025) · (202) 782-6205
Dr. Peter Whitesell, M.D.
Washington, DC · $170 in drug and device payments (2025) · Telehealth · (202) 865-2122
Dr. Sona Aloyan, MD
Washington, DC · No drug or device payments recorded (2025) · (248) 525-8626
Dr. Zara Martirosyan, MD
Washington, DC · $685 in drug and device payments (2025) · Telehealth · (202) 865-4489

Common questions

How many Sleep Medicine (Internal Medicine) providers are in Washington, Washington DC?

There are 5 Sleep Medicine (Internal Medicine) providers with active NPI records practicing in Washington, according to federal NPPES data refreshed monthly.

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 Sleep Medicine (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.