Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gwendolyn Yvonne Blacknell, LCDC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1962707570

Gwendolyn Yvonne Blacknell, LCDC is an Addiction (Substance Use Disorder) Counselor in Houston, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2011

Practice location Address checks out

3207 Broadway St Apt 3207
Houston, TX 77017-2320
Phone: (281) 991-8668
Fax: (713) 236-0120
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 10653 (TX)

Record details

NPI number1962707570
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCDC
Sole proprietorYes
NPI enumeratedJanuary 13, 2011
Last updated in NPPESApril 18, 2014

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