NPI Portal NPI Lookup & Verification

Mr. Alex Winter

Mr. Alex Winter is a General Practice Dentistry provider (Dentist) practicing in Downey, CA, registered in the NPPES registry with NPI 1386873438 since 2009.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1386873438
Entity type Individual (Type 1)
Name Mr. Alex Winter
Sex Male
Practice address Downey, CA, 90241
Phone 5629044800
Fax 5629044811
Enumeration date 2009-07-10
Last updated in NPPES 2012-04-05

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
1223G0001X General Practice Dentistry Primary 31159 CA
Copy-ready billing details
Provider: Alex Winter
NPI: 1386873438
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: Downey, CA, 90241

Verify this record

Cross-check NPI 1386873438 against the authoritative CMS record: view Mr. Alex Winter 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 is the NPI number for Alex Winter?
The National Provider Identifier (NPI) for Alex Winter is 1386873438, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alex Winter practice?
The practice location on file with NPPES is in Downey, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-04-05.