DR. WILLIAM COTTLES SHIRLEY JR. M.D.
NPI 1568458289
Obstetrics & Gynecology in Macon, GA
About Dr. William Cottles Shirley Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM COTTLES SHIRLEY JR. M.D. (NPI 1568458289) is an individual obstetrics & gynecology provider in Macon, Georgia, licensed in Georgia (029102) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Cottles Shirley Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Shirley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Macon, GA 31217
- Reassigned Medicare billing, Georgia enrollment
- 10 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 31217 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MACON, GA 31217
MACON, GA 31217
MACON, GA 31217
MACON, GA 31217
MACON, GA 31217
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 Shirley's NPI number?
The NPI number for William Shirley is 1568458289. It was assigned to this individual provider in the NPPES registry on September 27, 2005.
Where is William Shirley located?
William Shirley practices at 380 Hospital Dr Suite 100, Macon, GA 31217. The listed phone number is (478) 743-4646.
What is William Shirley's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is William Shirley enrolled in Medicare?
Yes. William Shirley is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Shirley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Shirley reassigns Medicare benefits to Obgyn Specialists (Macon, GA). 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 Shirley'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 Shirley was last updated on September 29, 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.