Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Georges J Massih, MD

Internal Medicine Physician in Brighton, MA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1467651414

Verified

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Registry record

Entity type Individual (Type 1)

Name Georges J Massih

Credential MD

Sex Male

Practice address Brighton, MA, 02135

Phone (617) 789-3000

Enumeration date Jul 11, 2007

Last updated in NPPES Mar 14, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 261244 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
27748	Other	OK	MEDICAL LICENSE
200302170A	Medicaid	OK	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Georges Massih?

The National Provider Identifier (NPI) for Georges Massih is 1467651414, a Type 1 (individual) record in the CMS NPPES registry.

Where does Georges Massih practice?

The practice location on file with NPPES is in Brighton, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Kathleen Jones Mcwilliams Advanced Practice Midwife · Brighton, MA NPI 1790783645 Max Baranovsky Geriatric Psychiatry Physician · Brighton, MA NPI 1568455939 Leslie Martin Hematology (Internal Medicine) Physician · Brighton, MA NPI 1124012299 Michael Mastromatteo Vascular & Interventional Radiology Physician · Brighton, MA NPI 1023002045 Alla Marshansky Anesthesiology Physician · Brighton, MA NPI 1760476592 Scott Epstein Critical Care Medicine (Internal Medicine) Physician · Brighton, MA NPI 1548254113 John Pastore Interventional Cardiology Physician · Brighton, MA NPI 1255325874 Mark Lovich Anesthesiology Physician · Brighton, MA NPI 1396739918

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-14.