ALLISON WILLIAMS LPC, NCC
NPI 1891449112
Counselor - Mental Health in Dallas, TX

Active since February 06, 2022Opted out of Medicare · through Sep 3, 2027
3500 OAK LAWN AVE STE 730, DALLAS, TX 75219(214) 717-9981 Get Directions Write a Review

NPPES record last updated: February 6, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Allison Williams Lpc, Ncc NPPES

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

ALLISON WILLIAMS LPC, NCC (NPI 1891449112) is an individual mental health provider in Dallas, Texas, licensed in Texas (73691) and active in the NPI registry since February 2022. She has opted out of Medicare through September 3, 2027.

NPPES Registry Identity

NPI1891449112
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameALLISON WILLIAMSCredential: LPC, NCC
Location Address3500 OAK LAWN AVE STE 730Dallas, TX 75219-6721
Mailing AddressPo Box 190867Dallas, TX 75219-0867 · (214) 717-9981
Sole ProprietorNo
Enumeration DateFebruary 6, 2022
NPPES CertifiedFebruary 6, 2022
NPI 1891449112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in TX · 73691
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 73691 (TX)
3500 OAK LAWN AVE STE 730, Dallas, TX 75219

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Allison Williams Lpc, Ncc 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 3, 2025 through September 3, 2027.

Opt-Out Effective DateSeptember 3, 2025
Opt-Out In Effect ThroughSeptember 3, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 10

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

Counselor (Mental Health)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219
Counselor (Mental Health)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219
Counselor (Mental Health)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219
Counselor (Professional)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219
Counselor (Mental Health)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219
Counselor (Mental Health)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219
Social Worker (Clinical)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219
Counselor (Professional)
3500 OAK LAWN AVE STE 730
DALLAS, TX 75219

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 Allison Williams's NPI number?

The NPI number for Allison Williams is 1891449112. It was assigned to this individual provider in the NPPES registry on February 6, 2022.

Where is Allison Williams located?

Allison Williams practices at 3500 Oak Lawn Ave Ste 730, Dallas, TX 75219. The listed phone number is (214) 717-9981.

What is Allison Williams's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Allison Williams enrolled in Medicare?

No. Allison Williams has opted out of Medicare through September 3, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Allison Williams was last updated on February 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.