WILLIAM W COOK MD P C
NPI 1861418014
Specialist in Oklahoma City, OK
About William W Cook Md P C NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM W COOK MD P C (NPI 1861418014) is a healthcare organization registered as a specialist in Oklahoma City, Oklahoma and active in the NPI registry since July 2006. The organization lists William Wesley Cook, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William W Cook Md P C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to William W Cook MD P C, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.
Clinicians, nearest first (3)
Oklahoma City, OK 73112
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William W Cook MD P C's NPI number?
The NPI number for William W Cook MD P C is 1861418014. It was assigned to this organization in the NPPES registry on July 14, 2006.
Where is William W Cook MD P C located?
William W Cook MD P C is located at 3366 NW Expressway St Suite 660, Oklahoma City, OK 73112. The listed phone number is (405) 947-3345.
What is William W Cook MD P C's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is William W Cook MD P C enrolled in Medicare?
Yes. William W Cook MD P C is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through William W Cook MD P C?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to William W Cook MD P C, in Nurse Practitioner and Pulmonary Disease. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for William W Cook MD P C was last updated on September 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# William W Cook Md P C · NPI 1861418014
Specialist organization in Oklahoma City, Oklahoma. Organization record, active in the CMS NPPES registry since July 14, 2006.
## Identity
- **NPI:** 1861418014 (Entity type: Organization)
- **Enumerated:** July 14, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** William Cook, OWNER
## Practice location
- **Address:** 3366 NW EXPRESSWAY ST, SUITE 660, Oklahoma City, OK 73112-4462
- **Phone:** (405) 947-3345 · **Fax:** (405) 946-6677
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (2), Pulmonary Disease (1); 3 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 28, 2011
- **Other identifiers:** Other 290011121 (OK); Medicaid 100099640C (OK); Medicare PIN 300522247 (OK); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1861418014) · Data from the CMS NPPES public registry.