Internal Medicine, Sleep Medicine
WASSIM ASSAF MD
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1548400278 · enumerated 2009-02-20 · record updated 2021-02-03. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Practice location 48 AUBURN ST STE 1, AUBURN, MA, 01501-2438 (774) 772-7058 Fax (774) 772-7059 Google Maps Apple Maps OpenStreetMap
- Mailing address PO BOX 415348, BOSTON, MA, 02241-5348 (800) 225-8885 Fax (508) 334-1977 Google Maps Apple Maps OpenStreetMap
Specialties
- Internal Medicine 207R00000X · License 265574 MA
- Internal Medicine, Sleep Medicine 207RS0012X · Primary · License 265574 MA
Published links
In this directory
MA Worcester County Auburn Internal Medicine, Sleep Medicine
Locations and evidence
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Practice location
AUBURN, MA, 015012438
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.