Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas J Hathaway, M.D.

Pediatrics Physician in Braintree, MA · enumerated 2006.

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

National Provider Identifier

1972581411

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Registry record

Entity type Individual (Type 1)

Name Thomas J Hathaway

Credential M.D.

Sex Male

Practice address 111 Grossman Dr, Braintree, MA, 02184

Phone (781) 849-2300

Fax (781) 849-2377

Enumeration date Jan 5, 2006

Last updated in NPPES Oct 28, 2020

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 51041 (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
051041	Other	MA	TUFTS
3191460	Medicaid	MA	-
0015122	Other	MA	NEIGHBORHOOD HEALTH
B10459302	Other	MA	CIGNA
J12386	Other	MA	BLUE CROSS
PP137	Other	MA	HARVARD PILGRIM

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

Where does Thomas Hathaway practice?

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

What is the NPI number for Thomas Hathaway?

The National Provider Identifier (NPI) for Thomas Hathaway is 1972581411, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-28.