Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

William W Cook MD P C

Specialist in Oklahoma City, OK · enumerated 2006 · authorized official William Cook, Owner.

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

National Provider Identifier

1861418014

Verified

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Registry record

Entity type Organization (Type 2)

Legal business name William W Cook MD P C

Practice address 3366 Nw Expressway St, Suite 660, Oklahoma City, OK, 73112

Phone (405) 947-3345

Fax (405) 946-6677

Enumeration date Jul 14, 2006

Last updated in NPPES Sep 28, 2011

Taxonomy & classification

174400000X Specialist Other Service Providers · License 9932 (OK) Primary

Authorized official

Name William Cook

Title Owner

Phone (405) 947-3345

Other identifiers

Identifier	Type	State	Issuer
290011121	Other	OK	RAILROAD MEDICARE
100099640C	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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is William W Cook MD P C located?

The practice location on file with NPPES is in Oklahoma City, OK.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-09-28. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-28.