Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Melissa Williams, MPT

Physical Therapist in Elk City, OK · enumerated 2011.

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

National Provider Identifier

1336436336

Verified

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Registry record

Entity type Individual (Type 1)

Name Melissa Williams

Credential MPT

Sex Female

Practice address Elk City, OK, 73644

Phone (580) 225-8778

Fax (580) 225-8780

Enumeration date Jun 29, 2011

Last updated in NPPES Nov 2, 2020

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

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 4098 (OK) Primary

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 Melissa Williams?

The National Provider Identifier (NPI) for Melissa Williams is 1336436336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Melissa Williams practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-02.