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

William Parker PHD PC

Organization Clinical Psychologist · NPI 1821339250

William Parker PHD PC is a Clinical Psychologist in Grand Rapids, Michigan. Licensed in Michigan. Registered with an NPI since 2013.

Licensed in
MI
In the registry since
2013
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2894 Thornapple River Dr SE
Grand Rapids, MI 49546-6857
Phone: (616) 285-6080
Fax: (616) 285-5466
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6301007243 (MI)

Record details

NPI number1821339250
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Parker — Owner · (616) 285-6080
NPI enumeratedMarch 11, 2013
Last updated in NPPESMarch 11, 2013
Mailing address2894 Thornapple River Dr Se, Grand Rapids, MI 49546-6857

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