Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Diana Caroline Fat, D.D.S.

Prosthodontics in Sacramento, CA · enumerated 2008.

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

National Provider Identifier

1982855169

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Registry record

Entity type Individual (Type 1)

Name Dr. Diana Caroline Fat

Credential D.D.S.

Sex Female

Practice address 2131 Capitol Ave, Suite 300, Sacramento, CA, 95816

Phone (916) 448-5333

Fax (916) 446-6636

Enumeration date Oct 6, 2008

Last updated in NPPES Oct 6, 2008

Taxonomy & licenses

1223P0700X Prosthodontics Dental Providers · License 46588 (CA) Primary

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

Is NPI 1982855169 active?

Yes, as of the latest NPPES snapshot, NPI 1982855169 is active (record last updated 2008-10-06).

How do I verify Diana Fat's NPI record?

Cross-check NPI 1982855169 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-06.