DR. GARY J. WALKER M.D.
NPI 1205255254
Psychiatry & Neurology - Neurology in Baton Rouge, LA
About Dr. Gary J. Walker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GARY J. WALKER M.D. (NPI 1205255254) is an individual neurology provider in Baton Rouge, Louisiana, licensed in Louisiana (312725) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Lane Regional Medical Center, and maintains a secondary practice location in Baton Rouge.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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 and accepts Medicare assignment
Dr. Gary J. Walker 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 Gary Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baton Rouge, LA 70810
- Reassigned Medicare billing, Louisiana enrollment
- 101 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lane Regional Medical Center
Acute Care Hospitals · Zachary, LAOur Lady Of The Lake Regional Medical Center
Acute Care Hospitals · Baton Rouge, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70808 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
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 Gary Walker's NPI number?
The NPI number for Gary Walker is 1205255254. It was assigned to this individual provider in the NPPES registry on April 7, 2014.
Where is Gary Walker located?
Gary Walker practices at 5000 Hennessy Blvd, Baton Rouge, LA 70808. The listed phone number is (225) 769-2200.
What is Gary Walker's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Gary Walker enrolled in Medicare?
Yes. Gary 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 Gary Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Walker reassigns Medicare benefits to Neuromedical Center (Baton Rouge, LA). 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 Gary Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Walker accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and HMO Louisiana list Gary Walker 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.
Is Gary Walker affiliated with any hospitals?
According to CMS data, Gary Walker is affiliated with Lane Regional Medical Center and Our Lady Of The Lake Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Gary Walker was last updated on June 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.