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Sleep Medicine Doctors (Internal Medicine) in Washington DC

Data updated monthly · Last refresh October 2026

5 Sleep Medicine (Internal Medicine) providers practice in Washington DC, including 3 (60%) 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.

5providers
3telehealth
Washingtontop city

Where Sleep Medicine Doctors (Internal Medicine) in Washington DC practice

From CMS Medicare enrollment records covering 4 of the 5 providers listed here (80%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Sleep Medicine Doctors (Internal Medicine)All clinicians in groupMain city
Howard University2182Washington

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingSleep Medicine Doctors (Internal Medicine) affiliated
Howard University Hospital Corp.WashingtonNonprofit1 of 52

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.

Sleep 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. 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 DC?

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

Do Sleep Medicine (Internal Medicine) providers in Washington DC offer telehealth?

Yes. 3 of the 5 Sleep Medicine (Internal Medicine) providers in Washington DC (about 60%) report offering telehealth services in CMS data.

Which cities in Washington DC have the most Sleep Medicine (Internal Medicine) providers?

Washington (5) have the highest concentration of Sleep 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.

Which hospitals do Sleep Medicine Doctors (Internal Medicine) in Washington DC work at?

According to CMS facility affiliation records, the Washington DC hospitals where the most Sleep Medicine Doctors (Internal Medicine) hold privileges are Howard University Hospital Corp. in Washington.

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Related

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. Are you a Sleep Medicine (Internal Medicine) in Washington DC? Get featured.