Mary Walker
NPI 1942635917 · Professional Counselor · Knoxville, TN
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Walker is a Professional Counselor provider in Knoxville, TN (NPI 1942635917).
Provider details
- NPI number
- 1942635917
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 4471 (TN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 201 W Springdale AveKnoxville, TN 37917-5158Phone: (865) 637-9711
- 3006 Lake Brook Blvd Bldg 1Knoxville, TN 37909-1137Phone: (865) 544-5069
Registry dates
- Enumerated
- 2013-09-10
- Last updated
- 2021-03-17
- Certified
- 2021-03-17
Frequently asked questions
- What is Mary Walker's NPI number?
- Mary Walker's National Provider Identifier (NPI) is 1942635917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Walker's specialty?
- Mary Walker is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Walker located?
- Mary Walker's practice location on file with NPPES is 245 S Peters Rd, Knoxville, TN 37923-5204.
- What is Mary Walker's phone number?
- The practice phone number listed in the NPPES registry for Mary Walker is (423) 462-1599.
- Does Mary Walker accept Medicare?
- Mary Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Walker's NPI active?
- Yes — Mary Walker's NPI (1942635917) is active in the NPPES registry as of the last update on 2021-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.