# Brian Kossak Brian Kossak is a sleep clinic with an address in Manchester, NH, United States. ## Details - Address: 87 MCGREGOR ST DARTMOUTH HITCHCOCK - CHILD NEUROLOGY, Manchester, NH, 03102, United States - Phone: [603-695-2500]() - National Provider Identifier (NPI): 1164459368 - 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 Brian Kossak? Brian Kossak is at 87 MCGREGOR ST DARTMOUTH HITCHCOCK - CHILD NEUROLOGY, Manchester, NH, 03102, United States. ### How do I contact Brian Kossak? To contact Brian Kossak, call 603-695-2500. ### Is Brian Kossak 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=1164459368), 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 Manchester]() - [Home sleep apnea testing providers in Manchester]() - [Sleep medicine specialists in Manchester]() - [More sleep clinics in Manchester]()