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

John David Gambill, LCDC, LPC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1760675094

John David Gambill, LCDC, LPC is an Addiction (Substance Use Disorder) Counselor in Wylie, Texas. Practices as a sole proprietor and works from 2 locations. Licensed in Texas.

Licensed in
TX
In the registry since
2007
Specialties on file
2
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

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Practice location Address checks out

109 N Jackson Ave Ste 103
Wylie, TX 75098-4469
Phone: (214) 264-7404
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 202 Industrial Ct, Wylie, TX 75098-3952 — (214) 264-7404

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 92764 (TX)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 12077 (TX)

Record details

NPI number1760675094
Entity typeIndividual (Type 1)
GenderMale
Credentials LCDC , LPC
Sole proprietorYes
NPI enumeratedAugust 21, 2007
Last updated in NPPESMay 14, 2025
Certification dateMay 14, 2025

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