Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gregory J Mikszta, DDS

Endodontics in Casa Grande, AZ · enumerated 2007.

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

National Provider Identifier

1346399730

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory J Mikszta

Credential DDS

Sex Male

Practice address 1968 N Peart Rd, Suite 8, Casa Grande, AZ, 85222

Phone (520) 421-9939

Fax (520) 421-9929

Enumeration date Jan 9, 2007

Last updated in NPPES Oct 10, 2007

Taxonomy & licenses

1223E0200X Endodontics Dental Providers · License 4872 (AZ) 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

How do I verify Gregory Mikszta's NPI record?

Cross-check NPI 1346399730 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1346399730 active?

Yes, as of the latest NPPES snapshot, NPI 1346399730 is active (record last updated 2007-10-10).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-10.