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

John Walton McCaskill, PHD

Individual provider Psychologist · NPI 1801825542

John Walton McCaskill, PHD is a Psychologist in Royal Oak, 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

3601 W 13 Mile Rd Fsc
Royal Oak, MI 48073-6712
Phone: (248) 423-2454
Fax: (248) 423-2576
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 6301012562 (MI)

Record details

NPI number1801825542
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESJuly 22, 2008
Mailing address3601 W 13 Mile Rd, Fsc, Royal Oak, MI 48073-6712

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