Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John P Griffin, MD

Hematology & Oncology Physician in Plattsburgh, NY · enumerated 2006.

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

National Provider Identifier

1679644082

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Registry record

Entity type Individual (Type 1)

Name John P Griffin

Credential MD

Sex Male

Practice address 75 Beekman St, Plattsburgh, NY, 12901

Phone (518) 562-7100

Fax (518) 562-7972

Enumeration date Nov 10, 2006

Last updated in NPPES Sep 11, 2012

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 146929 (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
02599911	Medicaid	NY	-
000490345002	Other	NY	BS OF NENY

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.

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Frequently asked questions

How do I verify John Griffin's NPI record?

Cross-check NPI 1679644082 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1679644082 active?

Yes, as of the latest NPPES snapshot, NPI 1679644082 is active (record last updated 2012-09-11).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-11.