DR. ROBERT KENNETH WALKER MD
NPI 1225205313
Emergency Medicine in Brookhaven, MS
About Dr. Robert Kenneth Walker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT KENNETH WALKER MD (NPI 1225205313) is an individual emergency medicine provider in Brookhaven, Mississippi, licensed in Mississippi (21640) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with North Okaloosa Medical Center, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
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. Robert Kenneth Walker Md 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
20Medicare enrollment records show Robert Walker reassigns Medicare billing to 20 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brookhaven, MS 39601
- Reassigned Medicare billing, Mississippi enrollment
- 153 clinicians in this Medicare group
Hazlehurst, MS 39083
- Reassigned Medicare billing, Mississippi enrollment
- 159 clinicians in this Medicare group
Mccomb, MS 39648
- Reassigned Medicare billing, Mississippi enrollment
- 34 clinicians in this Medicare group
Jackson, MS 39204
- Reassigned Medicare billing, Mississippi enrollment
- 187 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Mississippi enrollment
- 116 clinicians in this Medicare group
West Point, MS 39773
- Reassigned Medicare billing, Mississippi enrollment
- 103 clinicians in this Medicare group
Foley, AL 36535
- Reassigned Medicare billing, Alabama enrollment
- 110 clinicians in this Medicare group
Monroeville, AL 36460
- Reassigned Medicare billing, Alabama enrollment
- 23 clinicians in this Medicare group
Amory, MS 38821
- Reassigned Medicare billing, Mississippi enrollment
- 107 clinicians in this Medicare group
Pontotoc, MS 38863
- Reassigned Medicare billing, Mississippi enrollment
- 103 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 5
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.
North Okaloosa Medical Center
Acute Care Hospitals · Crestview, FLSanta Rosa Medical Center
Acute Care Hospitals · Milton, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 11
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Robert Walker's NPI number?
The NPI number for Robert Walker is 1225205313. It was assigned to this individual provider in the NPPES registry on May 8, 2008.
Where is Robert Walker located?
Robert Walker practices at 327 N Jackson St, Brookhaven, MS 39601. The listed phone number is (601) 833-3800.
What is Robert Walker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Robert Walker enrolled in Medicare?
Yes. Robert 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 organizations bill Medicare for Robert Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Walker reassigns Medicare benefits to 20 organizations: Kings Daughters Medical Center (Brookhaven, MS), Keystone Medical Services Of Ms, Inc (Hazlehurst, MS), Relias Emergency Medicine Specialists Of Mccomb, LLC (Mccomb, MS), App Of Mississippi Ed, LLC (Jackson, MS), Correct Care, Inc. (Covington, LA) and 15 more organizations, listed in the Medicare section above. 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 Robert Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Walker accept?
Health plans from Blue Cross and Blue Shield of Alabama, Cigna Healthcare and Oscar Health Maintenance Organization of Florida list Robert 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 Robert Walker affiliated with any hospitals?
According to CMS data, Robert Walker is affiliated with North Okaloosa Medical Center and Santa Rosa Medical Center.
When was this NPI record last updated?
The NPPES record for Robert Walker was last updated on May 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Robert Kenneth Walker, MD · NPI 1225205313
Emergency Medicine physician in Brookhaven, Mississippi. Individual provider, active in the CMS NPPES registry since May 8, 2008.
## Identity
- **NPI:** 1225205313 (Entity type: Individual)
- **Enumerated:** May 8, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 21640 (Mississippi)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 327 N JACKSON ST, Brookhaven, MS 39601-3041
- **Phone:** (601) 833-3800 · **Fax:** (601) 833-3847
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 20 organizations under Medicare reassignment (form CMS-855R): Kings Daughters Medical Center (NPI 1043245368, Brookhaven, MS); Keystone Medical Services Of Ms, Inc (NPI 1174691059, Hazlehurst, MS); Relias Emergency Medicine Specialists Of Mccomb, LLC (NPI 1477195972, Mccomb, MS); App Of Mississippi Ed, LLC (NPI 1730687740, Jackson, MS); Correct Care, Inc. (NPI 1215987441, Covington, LA); and 15 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** May 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1225205313) · Data from the CMS NPPES public registry.