John Grieco

John Grieco is a Dentist provider (Dentist) practicing in Clovis, CA, registered in the NPPES registry with NPI 1609980002 since 2006.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1609980002
Entity type	Individual (Type 1)
Name	John Grieco
Sex	Male
Practice address	Clovis, CA, 93619
Phone	5593230211
Enumeration date	2006-08-19
Last updated in NPPES	2007-07-08

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
122300000X	Dentist	Primary	D22975	CA

Copy-ready billing details

Provider: John Grieco
NPI: 1609980002
Taxonomy: 122300000X (Dentist)
Address: Clovis, CA, 93619

Verify this record

Cross-check NPI 1609980002 against the authoritative CMS record: view John Grieco 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 specialty is John Grieco?

John Grieco is registered in NPPES with the primary taxonomy of Dentist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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