ALLAN O COOK MD PA
NPI 1912042805
Specialist in Mckinney, TX
About Allan O Cook Md Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLAN O COOK MD PA (NPI 1912042805) is a healthcare organization registered as a specialist in Mckinney, Texas and active in the NPI registry since February 2007. The organization lists Allan O Cook, Cardiothoracic And Vascular Surgeon, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Allan O Cook Md Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Allan O Cook MD PA, which bills Medicare for the services this clinician delivers.
Clinician (1)
Richardson, TX 75082
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 Allan O Cook MD PA's NPI number?
The NPI number for Allan O Cook MD PA is 1912042805. It was assigned to this organization in the NPPES registry on February 20, 2007.
Where is Allan O Cook MD PA located?
Allan O Cook MD PA is located at 5900 Berkshire Road, Mckinney, TX 75072. The listed phone number is (972) 487-7057.
What is Allan O Cook MD PA's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Allan O Cook MD PA enrolled in Medicare?
Yes. Allan O Cook MD PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Allan O Cook MD PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiac Surgery) reassigns their Medicare billing to Allan O Cook MD PA. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Allan O Cook MD PA was last updated on August 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Allan O Cook Md Pa · NPI 1912042805
Specialist organization in Mckinney, Texas. Organization record, active in the CMS NPPES registry since February 20, 2007.
## Identity
- **NPI:** 1912042805 (Entity type: Organization)
- **Enumerated:** February 20, 2007
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Allan Cook, CARDIOTHORACIC AND VASCULAR SURGEON
## Practice location
- **Address:** 5900 BERKSHIRE ROAD, Mckinney, TX 75072
- **Phone:** (972) 487-7057 · **Fax:** (972) 272-4256
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Cardiac Surgery) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 29, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1912042805) · Data from the CMS NPPES public registry.