WILLIAM A COOK III M.D.
NPI 1336121052
Obstetrics & Gynecology - Obstetrics in Lynchburg, VA
About William A Cook Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM A COOK III M.D. (NPI 1336121052) is an individual obstetrics provider in Lynchburg, Virginia, licensed in Virginia (0101044466) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lynchburg, and is a graduate of Virginia Commonwealth University, School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William A Cook Iii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show William Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lynchburg, VA 24501
- Reassigned Medicare billing, Virginia enrollment
- 757 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 24501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Cook's NPI number?
The NPI number for William Cook is 1336121052. It was assigned to this individual provider in the NPPES registry on November 17, 2005.
Where is William Cook located?
William Cook practices at 2402 Atherholt Rd, Lynchburg, VA 24501. The listed phone number is (434) 455-2480.
What is William Cook's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.
Is William Cook enrolled in Medicare?
Yes. William Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for William Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Cook reassigns Medicare benefits to Centra Medical Group, LLC (Lynchburg, VA). The 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 William Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Cook was last updated on March 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 A Cook III, M.D. · NPI 1336121052
Obstetrics physician in Lynchburg, Virginia. Individual provider, active in the CMS NPPES registry since November 17, 2005.
## Identity
- **NPI:** 1336121052 (Entity type: Individual)
- **Enumerated:** November 17, 2005
- **Primary specialty:** Obstetrics & Gynecology - Obstetrics · taxonomy 207VX0000X
- **State license:** 0101044466 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 2402 ATHERHOLT RD, Lynchburg, VA 24501-2148
- **Phone:** (434) 455-2480
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Centra Medical Group, LLC (NPI 1184964124, Lynchburg, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth University, School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** March 10, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1336121052) · Data from the CMS NPPES public registry.