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

John W. McCaskill, Ph D , PLLC

Organization Clinical Psychologist · NPI 1356660583

John W. McCaskill, Ph D , PLLC is a Clinical Psychologist in Plymouth, Michigan. Licensed in Michigan. Registered with an NPI since 2010.

Licensed in
MI
In the registry since
2010
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

409 Plymouth Rd Ste 250
Plymouth, MI 48170-1842
Phone: (734) 416-9098
Fax: (734) 416-0158
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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 6301012562 (MI)

Record details

NPI number1356660583
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John McCaskill — Licensed Clinical Psychologist · (734) 416-9098
NPI enumeratedMay 27, 2010
Last updated in NPPESMay 29, 2010
Mailing address409 Plymouth Rd Ste 250, Plymouth, MI 48170-1842

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