# Joseph Parker Joseph Parker is a sleep clinic with an address in Washington, DC, United States. ## Details - Address: 2 WRAMC DEPARTMENT 6900 GEORGIA AVE NW, Washington, DC, 20307, United States - Phone: [202-782-6205]() - National Provider Identifier (NPI): 1700947694 - Credentials: M.D. - Provider type: Sleep medicine specialist - Sleep studies offered: In-lab polysomnography (CPT 95810), Home sleep apnea test (CPT 95806 / G0399) - Source of the listing data: CMS NPI Registry, retrieved 2026-10-28, public, free ## Questions ### Where is Joseph Parker? Joseph Parker is at 2 WRAMC DEPARTMENT 6900 GEORGIA AVE NW, Washington, DC, 20307, United States. ### How do I contact Joseph Parker? To contact Joseph Parker, call 202-782-6205. ### Is Joseph Parker accepting new patients? That is not in the registry data. Call the phone number on the listing and ask about availability, referral rules, wait times and insurance. ## Source From [CMS NPI Registry (National Plan and Provider Enumeration System)](https://npiregistry.cms.hhs.gov/api/?version=2.1&number=1700947694), license US government public data. CMS publishes NPPES provider data for open access under its data dissemination notice., checked 2026-10-29. Last updated October 29, 2026. ## Links - This sleep clinic on the [web page]() - [Sleep studies in Washington]() - [Home sleep apnea testing providers in Washington]() - [Sleep medicine specialists in Washington]() - [More sleep clinics in Washington]()