Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Mental Health Counselor

Mary A. Walker

Sees patients in Knoxville, TN · Tennessee

Summary

Mary A. Walker (Mental Health Counselor) is enrolled with Medicare at 1 practice location in Knoxville, TN. NPI 1942635917. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary A. Walker, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Mental Health CounselorPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
Lincoln Memorial University Medical DepartmentMedical school
FemaleGender (as listed)
Walk Counseling ServicesGroup practice

Quick answers

Where does Mary A. Walker see patients?
Medicare's clinician data lists 1 practice location in Knoxville, TN. Call before your visit to confirm the address.
What is Mary A. Walker's specialty?
Medicare lists Mental Health Counselor as the primary specialty.
Does Mary A. Walker accept Medicare assignment?
Yes. Medicare's clinician data says Mary A. Walker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Mary A. Walker?
(865) 951-1029, as listed in official Medicare / NPI Registry data.
What is Mary A. Walker's NPI number?
1942635917. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Mary A. Walker is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary A. Walker as a member of this group (CMS data updated 2026-10-02).

  • Walk Counseling Services3 clinicians in the group

Specialties

Find other clinicians: Mental Health Counselor, Tennessee →

Other mental health counselors in Knoxville

Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.

All mental health counselors in Knoxville →

Clinician information

Medical schoolLincoln Memorial University Medical Department
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1942635917
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians