# Mass General Brigham Medical Group Northern Massachusetts Inc Mass General Brigham Medical Group Northern Massachusetts Inc is a sleep clinic with an address in Salem, MA, United States. ## Details - Address: 81 HIGHLAND AVE, Salem, MA, 01970, United States - Phone: [978-354-4173]() - National Provider Identifier (NPI): 1588606123 - Provider type: Sleep disorder diagnostic clinic - 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 Mass General Brigham Medical Group Northern Massachusetts Inc? Mass General Brigham Medical Group Northern Massachusetts Inc is at 81 HIGHLAND AVE, Salem, MA, 01970, United States. ### How do I contact Mass General Brigham Medical Group Northern Massachusetts Inc? To contact Mass General Brigham Medical Group Northern Massachusetts Inc, call 978-354-4173. ### Is Mass General Brigham Medical Group Northern Massachusetts Inc 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=1588606123), 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 Salem]() - [Home sleep apnea testing providers in Salem]() - [In-lab polysomnography centers in Salem]() - [Sleep disorder diagnostic clinics in Salem]() - [More sleep clinics in Salem]()