GWENDOLYN YVONNE BLACKNELL LCDC
NPI 1962707570
Counselor - Addiction (Substance Use Disorder) in Houston, TX

Q: What is Gwendolyn Blacknell's NPI number?

The NPI number for Gwendolyn Blacknell is 1962707570. It was assigned to this individual provider in the NPPES registry on January 13, 2011.

Q: What is Gwendolyn Blacknell's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Active since January 13, 2011

3207 BROADWAY ST, APT. 3207, HOUSTON, TX 77017(281) 991-8668(713) 236-0120 Get Directions Write a Review

NPPES record last updated: April 18, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Gwendolyn Yvonne Blacknell Lcdc NPPES

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

GWENDOLYN YVONNE BLACKNELL LCDC (NPI 1962707570) is an individual addiction (substance use disorder) provider in Houston, Texas, licensed in Texas (10653) and active in the NPI registry since January 2011.

NPPES Registry Identity

NPI1962707570

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameGWENDOLYN YVONNE BLACKNELLCredential: LCDC

Location Address3207 BROADWAY ST, APT. 3207Houston, TX 77017-2320

Mailing Address3207 Broadway St, Apt. 3207Houston, TX 77017-2320 · (281) 991-8668 · Fax (713) 236-0120

Phone(281) 991-8668

Fax(713) 236-0120

Sole ProprietorYes

Enumeration DateJanuary 13, 2011

Last NPPES UpdateApril 18, 2014

✔ NPI 1962707570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in TX · 10653

3207 BROADWAY ST, Houston, TX 77017

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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 Gwendolyn Blacknell's NPI number?

The NPI number for Gwendolyn Blacknell is 1962707570. It was assigned to this individual provider in the NPPES registry on January 13, 2011.

Where is Gwendolyn Blacknell located?

Gwendolyn Blacknell practices at 3207 Broadway St Apt. 3207, Houston, TX 77017. The listed phone number is (281) 991-8668.

What is Gwendolyn Blacknell's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Gwendolyn Blacknell was last updated on April 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.