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

Dr. Charles Joseph Horowitz, PHD

Individual provider Mental Health Counselor · NPI 1265055784

Dr. Charles Joseph Horowitz, PHD is a Mental Health Counselor in Boulder, Colorado. Practices as a sole proprietor. Licensed in Colorado.

Licensed in
CO
In the registry since
2020
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

895 Roxwood Ln Unit B
Boulder, CO 80303-2867
Phone: (831) 402-5002
Fax: (303) 444-0096
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence NLC.0012262 (CO)

Record details

NPI number1265055784
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 19, 2020
Last updated in NPPESMay 19, 2020
Certification dateMay 19, 2020

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