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

John H Trask, PHD

Individual provider Clinical Psychologist · NPI 1417924200

John H Trask, PHD is a Clinical Psychologist in Troy, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

650 E Big Beaver Rd Ste A
Troy, MI 48083-1432
Phone: (248) 689-4600
Fax: (248) 519-1201
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6301007751 (MI)

Record details

NPI number1417924200
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 1, 2006
Last updated in NPPESJanuary 13, 2021
Certification dateJanuary 13, 2021
Mailing address200 E Big Beaver Rd, Troy, MI 48083-1208

Other providers in Troy