Tammie Walker, LCSW
NPI 1043790017 · Clinical Social Worker · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammie Walker, LCSW is a Clinical Social Worker provider in Oak Lawn, IL (NPI 1043790017).
Provider details
- NPI number
- 1043790017
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
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
7 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2018-08-18
- Last updated
- 2025-03-25
- Certified
- 2025-03-25
Frequently asked questions
- What is Tammie Walker's NPI number?
- Tammie Walker's National Provider Identifier (NPI) is 1043790017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammie Walker's specialty?
- Tammie Walker is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tammie Walker located?
- Tammie Walker's practice location on file with NPPES is 10522 S Cicero Ave Ste 404, Oak Lawn, IL 60453-5290.
- What is Tammie Walker's phone number?
- The practice phone number listed in the NPPES registry for Tammie Walker is (708) 818-8825.
- Does Tammie Walker accept Medicare?
- Tammie Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammie Walker's NPI active?
- Yes — Tammie Walker's NPI (1043790017) is active in the NPPES registry as of the last update on 2025-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.