Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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David Gregory St John, PHD, LP

Individual provider Psychologist · NPI 1760400774

David Gregory St John, PHD, LP is a Clinical Psychologist in Ferndale, Michigan. Qualified in 2004, 22 years ago. Practices with Fairsky Foundation, a 9-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
22
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.

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Practice location Address checks out

23231 Woodward Ave
Ferndale, MI 48220-1361
Phone: (734) 325-0491
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 6301012887 (MI)

Record details

NPI number1760400774
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , LP
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESMarch 14, 2018
Mailing address23231 Woodward Ave, Ferndale, MI 48220-1361

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)
Group practice Fairsky Foundation — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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