Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Paul Estes, DDS

Dentist in Hollis, OK · enumerated 2006.

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

National Provider Identifier

1619081189

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Registry record

Entity type Individual (Type 1)

Name Dr. William Paul Estes

Credential DDS

Sex Male

Practice address 400 E Sycamore St, Hollis, OK, 73550

Phone (580) 688-2800

Fax (580) 688-2193

Enumeration date Aug 19, 2006

Last updated in NPPES Jan 15, 2013

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 5309 (OK) Secondary

122300000X Dentist Dental Providers · License 11073 (TX) 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

Where does William Estes practice?

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

What is the NPI number for William Estes?

The National Provider Identifier (NPI) for William Estes is 1619081189, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-15.