JOHN GABRIEL WALKER PA
NPI 1841572518
Physician Assistant in Watkinsville, GA
About John Gabriel Walker Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN GABRIEL WALKER PA (NPI 1841572518) is an individual physician assistant in Watkinsville, Georgia, licensed in Georgia (9667) and active in the NPI registry since September 2011. He is enrolled in Medicare PECOS, is affiliated with Piedmont Athens Regional Medical Center, and maintains a secondary practice location in Vestavia.
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
John Gabriel Walker Pa 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 John Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Birmingham, AL 35243
- Physician assistant employed and billed by this organization, Alabama enrollment
- 215 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 10
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Piedmont Athens Regional Medical Center
Acute Care Hospitals · Athens, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30677 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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WATKINSVILLE, GA 30677
WATKINSVILLE, GA 30677
WATKINSVILLE, GA 30677
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 John Walker's NPI number?
The NPI number for John Walker is 1841572518. It was assigned to this individual provider in the NPPES registry on September 19, 2011.
Where is John Walker located?
John Walker practices at 1305 Jennings Mill Rd Ste 110, Watkinsville, GA 30677. The listed phone number is (706) 613-5880.
What is John Walker's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is John Walker enrolled in Medicare?
Yes. John Walker 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 John Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Walker is a physician assistant employed by Oak Mountain Group Services, LLC (Birmingham, AL), which bills Medicare and receives payment for John Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Walker affiliated with any hospitals?
According to CMS data, John Walker is affiliated with Piedmont Athens Regional Medical Center.
When was this NPI record last updated?
The NPPES record for John Walker was last updated on July 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# John Gabriel Walker, PA · NPI 1841572518
Physician Assistant physician in Watkinsville, Georgia. Individual provider, active in the CMS NPPES registry since September 19, 2011.
## Identity
- **NPI:** 1841572518 (Entity type: Individual)
- **Enumerated:** September 19, 2011
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 9667 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1305 JENNINGS MILL RD STE 110, Watkinsville, GA 30677-7241
- **Phone:** (706) 613-5880
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Employed and billed by:** Oak Mountain Group Services, LLC (NPI 1366840761, Birmingham, AL), under physician assistant employment · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** July 6, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1841572518) · Data from the CMS NPPES public registry.