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

Kooistra & Associates Psychological Services LLC

Organization Clinical Psychologist · NPI 1790226413

Kooistra & Associates Psychological Services LLC is a Clinical Psychologist 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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