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

Michael Dewitt Harrison, PHD

Individual provider Clinical Psychologist · NPI 1447473038

Michael Dewitt Harrison, PHD is a Clinical Psychologist in Houston, Texas. Qualified in 2004, 22 years ago. Practices as a sole proprietor. Licensed in Texas.

Years since qualifying
22
Licensed in
TX
In the registry since
2007
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

1501 Crocker St Ste 1
Houston, TX 77019-4340
Phone: (713) 504-7772
Fax: (832) 209-7290
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 33283 (TX)

Record details

NPI number1447473038
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 11, 2007
Last updated in NPPESJanuary 3, 2022
Certification dateJanuary 3, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Not indicated

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