Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ana M Diaz-Arnold, DDS

Prosthodontics in Iowa City, IA · enumerated 2006.

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

National Provider Identifier

1346344348

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Registry record

Entity type Individual (Type 1)

Name Dr. Ana M Diaz-Arnold

Credential DDS

Sex Female

Practice address 322 S Dental Science Bldg, Iowa City, IA, 52242

Phone (319) 335-7440

Fax (319) 335-7451

Enumeration date Sep 11, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223P0700X Prosthodontics Dental Providers · License 060959 (IA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
0200972	Medicaid	IA	-

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

What is the NPI number for Ana Diaz-Arnold?

The National Provider Identifier (NPI) for Ana Diaz-Arnold is 1346344348, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ana Diaz-Arnold practice?

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

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