Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. James M Hassett, MD

Surgery Physician in Buffalo, NY · enumerated 2006.

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

National Provider Identifier

1306864855

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Registry record

Entity type Individual (Type 1)

Name Dr. James M Hassett

Credential MD

Sex Male

Practice address 100 High St, Dept of Surgery, Buffalo, NY, 14203

Phone (716) 859-3556

Fax (716) 859-4580

Enumeration date Jul 17, 2006

Last updated in NPPES Mar 27, 2014

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 112944 (NY) 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
00620957	Medicaid	NY	-

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 James Hassett practice?

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

What is the NPI number for James Hassett?

The National Provider Identifier (NPI) for James Hassett is 1306864855, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-27.