Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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David James Grenn, LPC, NCC, CADC

Individual provider Professional Counselor · NPI 1003228388

David James Grenn, LPC, NCC, CADC is a Professional Counselor in Brownsville, Texas. Practices as a sole proprietor and works from 2 locations. Licensed in Pennsylvania and Texas.

Licensed in
PA, TX
In the registry since
2014
Specialties on file
3
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.
NCC — National Certified Counselor
A counsellor certified by the NBCC.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

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Practice location Address checks out

605 E Price Rd
Brownsville, TX 78521-4272
Phone: (215) 960-4774
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 360 East Ave, Rochester, NY 14604-2638 — (585) 325-5100

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 82232 (TX)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 10046 (PA)
Mental Health Counselor Taxonomy 101YM0800X · Licence PC009517 (PA)

Record details

NPI number1003228388
Entity typeIndividual (Type 1)
GenderMale
Credentials LPC , NCC , CADC
Sole proprietorYes
NPI enumeratedMay 21, 2014
Last updated in NPPESDecember 5, 2019

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