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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TRISHA ANTOINETTE WALKER LCSW
NPI 1811133002
Social Worker - Clinical in San Antonio, TX

Active since December 18, 2008Opted out of Medicare · through Sep 1, 2027
24822 WHITE CRK, SAN ANTONIO, TX 78255(210) 330-8561 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Trisha Antoinette Walker Lcsw NPPES

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

TRISHA ANTOINETTE WALKER LCSW (NPI 1811133002) is an individual clinical provider in San Antonio, Texas, licensed in Texas (52263) and active in the NPI registry since December 2008. She has opted out of Medicare through September 1, 2027 and remains eligible to order and refer and is a graduate of Other (1994).

NPPES Registry Identity

NPI1811133002
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTRISHA ANTOINETTE WALKERCredential: LCSW
Location Address24822 WHITE CRKSan Antonio, TX 78255-9528
Mailing Address24822 White CrkSan Antonio, TX 78255-9528 · (210) 330-8561
Phone(210) 330-8561
Sole ProprietorYes
Medical School CMSOtherGraduated 1994
Enumeration DateDecember 18, 2008
Last NPPES UpdateAugust 4, 2026
NPPES CertifiedAugust 4, 2026
✔ NPI 1811133002 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 TX · 52263
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.
24822 WHITE CRK, San Antonio, TX 78255
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Other Names 1

Former Name (1)Trisha Antoinette Thompson

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Trisha Antoinette Walker Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from September 1, 2015 through September 1, 2027.

Opt-Out Effective DateSeptember 1, 2015
Opt-Out In Effect ThroughSeptember 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78255 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 $54.84 – $166.88
Typical copayment $0.00 (range $13.71 – $41.72)
Most-billed visit code NA
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

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 Trisha Walker's NPI number?

The NPI number for Trisha Walker is 1811133002. It was assigned to this individual provider in the NPPES registry on December 18, 2008. The provider is also known as Trisha Antoinette Thompson.

Where is Trisha Walker located?

Trisha Walker practices at 24822 White Crk, San Antonio, TX 78255. The listed phone number is (210) 330-8561.

What is Trisha Walker's specialty?

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

Is Trisha Walker enrolled in Medicare?

No. Trisha Walker has opted out of Medicare through September 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Trisha Walker was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.