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

William P. McInnis Psy D, PC

Organization Clinical Psychologist · NPI 1871756841

William P. McInnis Psy D, PC is a Clinical Psychologist in Grandville, Michigan. Licensed in Michigan. Registered with an NPI since 2008.

Licensed in
MI
In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

2845 44th St SW Ste 120
Grandville, MI 49418-2678
Phone: (616) 320-1205
Fax: (616) 805-4839
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence L947184 (MI)

Record details

NPI number1871756841
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William McInnis — Owner · (616) 320-1205
NPI enumeratedJuly 9, 2008
Last updated in NPPESJune 2, 2026
Certification dateJune 2, 2026
Mailing address2845 44th St Sw Ste 120, Grandville, MI 49418-2678

Other providers in Grandville