Dr. Frank J Granati, DDS

Dr. Frank J Granati is a Dentist provider (Dentist) practicing in Patchogue, NY, registered in the NPPES registry with NPI 1821007030 since 2006. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum

NPI	1821007030
Entity type	Individual (Type 1)
Name	Dr. Frank J Granati
Credential	DDS
Sex	Male
Practice address	100 NORTH OCEAN AVE, Patchogue, NY, 11772
Phone	6312891919
Enumeration date	2006-08-05
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
122300000X	Dentist	Primary	37410	NY

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details

Provider: Frank Granati, DDS
NPI: 1821007030
Taxonomy: 122300000X (Dentist)
Address: 100 NORTH OCEAN AVE, Patchogue, NY, 11772

Verify this record

Cross-check NPI 1821007030 against the authoritative CMS record: view Dr. Frank J Granati on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Frank Granati?

The National Provider Identifier (NPI) for Frank Granati is 1821007030, a Type 1 (individual) record in the CMS NPPES registry.

Where does Frank Granati practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.