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MRS. TAMMIE DENISE WALKER LCSW
NPI 1043790017
Social Worker - Clinical in Oak Lawn, IL

Active since August 18, 2018PECOS Enrolled
10522 S CICERO AVE STE 404, OAK LAWN, IL 60453(708) 818-8825(872) 244-0709 Get Directions Write a Review

NPPES record last updated: March 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 25, 2025, May 29, 2020, Apr 14, 2020 and 1 more (4 updates tracked since 2018).

About Mrs. Tammie Denise Walker Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. TAMMIE DENISE WALKER LCSW (NPI 1043790017) is an individual clinical provider in Oak Lawn, Illinois, licensed in Illinois (149020574) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1043790017
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. TAMMIE DENISE WALKERCredential: LCSW
Location Address10522 S CICERO AVE STE 404Oak Lawn, IL 60453-5290
Mailing Address9728 S Tripp AveOak Lawn, IL 60453-3552 · (708) 818-8825 · Fax (872) 244-0709
Phone(708) 818-8825
Fax(872) 244-0709
Sole ProprietorYes
Medical School CMSOtherGraduated 2016
Enumeration DateAugust 18, 2018
Last NPPES UpdateMarch 25, 20254 updates tracked since enumeration
NPPES CertifiedMarch 25, 2025
✔ NPI 1043790017 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IL · 149020574
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
10522 S CICERO AVE STE 404, Oak Lawn, IL 60453
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Tammie Denise Walker Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2567707318
PECOS Enrollment IDI20200507003170
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $60.08 – $183.39
Typical copayment $0.00 (range $15.02 – $45.84)
Most-billed visit code NA
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEAL WITHIN LLC
Social Worker (Clinical)
10522 S CICERO AVE STE 404
OAK LAWN, IL 60453
Cook County (708) 818-8825

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 Tammie Walker's NPI number?

The NPI number for Tammie Walker is 1043790017. It was assigned to this individual provider in the NPPES registry on August 18, 2018.

Where is Tammie Walker located?

Tammie Walker practices at 10522 S Cicero Ave Ste 404, Oak Lawn, IL 60453. The listed phone number is (708) 818-8825.

What is Tammie Walker's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Tammie Walker enrolled in Medicare?

Yes. Tammie Walker is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tammie Walker was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.