DR. WILLIAM A WILLOUGHBY M.D.
NPI 1609894708
Radiology - Diagnostic Radiology in Milledgeville, GA
About Dr. William A Willoughby M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM A WILLOUGHBY M.D. (NPI 1609894708) is an individual diagnostic radiology provider in Milledgeville, Georgia, licensed in Georgia (038407) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Union General Hospital, and is a graduate of Medical College Of Georgia School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Dr. William A Willoughby 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 Reassignments
3Medicare enrollment records show William Willoughby reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milledgeville, GA 31061
- Reassigned Medicare billing, Georgia enrollment
- 4 clinicians in this Medicare group
Moultrie, GA 31768
- Reassigned Medicare billing, Georgia enrollment
- 26 clinicians in this Medicare group
Savannah, GA 31406
- Reassigned Medicare billing, Georgia enrollment
- 94 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.
Areas of Expertise CMS Part B claims 84
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Union General Hospital
Acute Care Hospitals · Blairsville, GAWashington County Regional Medical Center
Acute Care Hospitals · Sandersville, GATift Regional Medical Center
Acute Care Hospitals · Tifton, GAWayne Memorial Hospital
Acute Care Hospitals · Jesup, GAJasper Memorial Hospital
Critical Access Hospitals · Monticello, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 31061 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
MILLEDGEVILLE, GA 31061
MILLEDGEVILLE, GA 31061
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 Willoughby's NPI number?
The NPI number for William Willoughby is 1609894708. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is William Willoughby located?
William Willoughby practices at 821 N Cobb St, Milledgeville, GA 31061. The listed phone number is (478) 452-0524.
What is William Willoughby's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Willoughby enrolled in Medicare?
Yes. William Willoughby 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 organizations bill Medicare for William Willoughby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Willoughby reassigns Medicare benefits to 3 organizations: Oconee Radiology Associates (Milledgeville, GA), Sterling Radiology LLC (Moultrie, GA) and South Georgia Radiology Associates, LLC (Savannah, GA). Each 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 Willoughby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Willoughby affiliated with any hospitals?
According to CMS data, William Willoughby is affiliated with Union General Hospital, Washington County Regional Medical Center, Tift Regional Medical Center, Wayne Memorial Hospital and Jasper Memorial Hospital.
When was this NPI record last updated?
The NPPES record for William Willoughby was last updated on April 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.