Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Krystyna Maria Wrona

General Practice Dentistry in Hayward, CA · enumerated 2005 · practices at David S. Crockett DDS Inc.

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

National Provider Identifier

1457355430

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Registry record

Entity type Individual (Type 1)

Name Dr. Krystyna Maria Wrona

Sex Female

Practice address 22296 Main St, Hayward, CA, 94541

Phone (510) 538-2704

Enumeration date Jun 8, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 36037 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
B36037-01	Other	CA	DENTI-CAL

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 Krystyna Wrona's NPI record?

Cross-check NPI 1457355430 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1457355430 active?

Yes, as of the latest NPPES snapshot, NPI 1457355430 is active (record last updated 2007-07-08).

Other providers at this practice address

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David Crockett General Practice Dentistry · Hayward, CA NPI 1356367502 David S. Crockett DDS Inc General Practice Dentistry · Hayward, CA NPI 1366468530

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