NPI Portal NPI Lookup & Verification

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

Randal A Williams, M.D.

Family Medicine Physician in Sulphur, OK · enumerated 2006.

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

National Provider Identifier

1124068366

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Registry record

Entity type Individual (Type 1)
Name Randal A Williams
Credential M.D.
Sex Male
Practice address Sulphur, OK, 73086
Fax (580) 622-5480
Enumeration date Jun 7, 2006
Last updated in NPPES Jul 6, 2009

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

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 20799 (OK) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
080158623 Other OK RAILROAD MEDICARE
175735100 Other OK US DEPT OF LABOR
100137300B Medicaid OK -

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.

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Frequently asked questions

What is the NPI number for Randal Williams?
The National Provider Identifier (NPI) for Randal Williams is 1124068366, a Type 1 (individual) record in the CMS NPPES registry.
Where does Randal Williams practice?
The practice location on file with NPPES is in Sulphur, 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 2009-07-06.