WILLIAM ALAN BARBER M.D.
NPI 1801895909
Surgery in Atlanta, GA
About William Alan Barber M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ALAN BARBER M.D. (NPI 1801895909) is an individual surgery provider in Atlanta, Georgia, licensed in Georgia (025525) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Alan Barber M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Barber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Atlanta, GA 30309
- Reassigned Medicare billing, Georgia enrollment
- 5 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30309 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
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATLANTA, GA 30309
ATLANTA, GA 30309
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 Barber's NPI number?
The NPI number for William Barber is 1801895909. It was assigned to this individual provider in the NPPES registry on July 20, 2005. The provider is also known as William A Barber M.D..
Where is William Barber located?
William Barber practices at 77 Collier Rd NW Suite 2050, Atlanta, GA 30309. The listed phone number is (404) 351-1002.
What is William Barber's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is William Barber enrolled in Medicare?
Yes. William Barber is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Barber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Barber reassigns Medicare benefits to Atlanta Breast Care, PC (Atlanta, 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 Barber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Barber accept?
Health plans from Alliant Health Plans, Inc. list William Barber as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Barber was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.