KELSEY WALKER ACNPX-AG
NPI 1972437606
Nurse Practitioner - Acute Care in Nashville, TN
About Kelsey Walker Acnpx-ag NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELSEY WALKER ACNPX-AG (NPI 1972437606) is an individual acute care provider in Nashville, Tennessee, licensed in Tennessee (42439) and active in the NPI registry since June 2026. She is enrolled in Medicare PECOS, is affiliated with Catawba Valley Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Kelsey Walker Acnpx-ag 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
2Medicare enrollment records show Kelsey Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Nashville, TN 37232
- Reassigned Medicare billing, Tennessee enrollment
- 4,711 clinicians in this Medicare group
Hickory, NC 28601
- Reassigned Medicare billing, North Carolina enrollment
- 59 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Catawba Valley Medical Center
Acute Care Hospitals · Hickory, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37232 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
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 Kelsey Walker's NPI number?
The NPI number for Kelsey Walker is 1972437606. It was assigned to this individual provider in the NPPES registry on June 9, 2026.
Where is Kelsey Walker located?
Kelsey Walker practices at 3601 The Vanderbilt Clinic Ave, Nashville, TN 37232. The listed phone number is (615) 322-5000.
What is Kelsey Walker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Kelsey Walker enrolled in Medicare?
Yes. Kelsey 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 Kelsey Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey Walker reassigns Medicare benefits to 2 organizations: Vanderbilt University Medical Center (Nashville, TN) and Catawba Valley Medical Center (Hickory, NC). 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 Kelsey Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kelsey Walker accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Kelsey 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 Kelsey Walker affiliated with any hospitals?
According to CMS data, Kelsey Walker is affiliated with Catawba Valley Medical Center.
When was this NPI record last updated?
The NPPES record for Kelsey Walker was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Kelsey Walker, ACNPX-AG · NPI 1972437606
Acute Care physician in Nashville, Tennessee. Individual provider, active in the CMS NPPES registry since June 9, 2026.
## Identity
- **NPI:** 1972437606 (Entity type: Individual)
- **Enumerated:** June 9, 2026
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 42439 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 THE VANDERBILT CLINIC AVE, Nashville, TN 37232-5100
- **Phone:** (615) 322-5000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Vanderbilt University Medical Center (NPI 1104202761, Nashville, TN); Catawba Valley Medical Center (NPI 1306899950, Hickory, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2026
## Record status
- **NPPES last updated:** July 31, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1972437606) · Data from the CMS NPPES public registry.