MARY AMANDA WALKER
NPI 1942635917
Counselor - Professional in Knoxville, TN
About Mary Amanda Walker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY AMANDA WALKER (NPI 1942635917) is an individual professional provider in Knoxville, Tennessee, licensed in Tennessee (4471) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Lincoln Memorial University Medical Department (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Mary Amanda Walker 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 Mary Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Knoxville, TN 37909
- Reassigned Medicare billing, Tennessee enrollment
- 13 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.
Other Providers at the Same Location NPPES 9
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 Mary Walker's NPI number?
The NPI number for Mary Walker is 1942635917. It was assigned to this individual provider in the NPPES registry on September 10, 2013.
Where is Mary Walker located?
Mary Walker practices at 245 S Peters Rd, Knoxville, TN 37923. The listed phone number is (423) 462-1599.
What is Mary Walker's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Mary Walker enrolled in Medicare?
Yes. Mary 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 Mary Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Walker reassigns Medicare benefits to Walk Counseling Services (Knoxville, TN). 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 Mary Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Walker accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 4 other insurers list Mary 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.
When was this NPI record last updated?
The NPPES record for Mary Walker was last updated on March 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mary Amanda Walker · NPI 1942635917
Professional provider in Knoxville, Tennessee. Individual provider, active in the CMS NPPES registry since September 10, 2013.
## Identity
- **NPI:** 1942635917 (Entity type: Individual)
- **Enumerated:** September 10, 2013
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 4471 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 245 S PETERS RD, Knoxville, TN 37923-5204
- **Phone:** (423) 462-1599
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Walk Counseling Services (NPI 1518635416, Knoxville, TN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lincoln Memorial University Medical Department, class of 2014
## Record status
- **NPPES last updated:** March 17, 2021
- **Other identifiers:** Medicaid Q061097 (TN)
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Source: [NPI Profile](https://npiprofile.com/npi/1942635917) · Data from the CMS NPPES public registry.