Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John P Granger, DMD

Dentist in Lagrangeville, NY · enumerated 2007.

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

National Provider Identifier

1346388592

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Registry record

Entity type Individual (Type 1)

Name Dr. John P Granger

Credential DMD

Sex Male

Practice address 1133 Rt 55, Suite C, Lagrangeville, NY, 12540

Phone (845) 452-4031

Fax (845) 486-4174

Enumeration date Feb 1, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

122300000X Dentist Dental Providers · License 041054 (NY) Primary

DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

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

How do I verify John Granger's NPI record?

Cross-check NPI 1346388592 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1346388592 active?

Yes, as of the latest NPPES snapshot, NPI 1346388592 is active (record last updated 2007-07-08).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.