Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Kooistra & Associates Psychological Services LLC

Organization Clinical Psychologist · NPI 1790226413

Kooistra & Associates Psychological Services LLC provides Clinical Psychologist services in Grand Haven, Michigan. Licensed in Michigan. Registered with an NPI since 2017.

Licensed in
MI
In the registry since
2017
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

41 Washington Ave Ste 365
Grand Haven, MI 49417-1390
Phone: (616) 638-7557
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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 6301007943 (MI)

Record details

NPI number1790226413
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Kooistra — Clinical Psychologist · (616) 638-7557
NPI enumeratedMarch 14, 2017
Last updated in NPPESMarch 14, 2017
Mailing address41 Washington Ave, Suite 365, Grand Haven, MI 49417-1390

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