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

Dr. Timothy Gruppen, PSYD

Individual provider Clinical Psychologist · NPI 1689912081

Dr. Timothy Gruppen, PSYD is a Clinical Psychologist in Grand Rapids, Michigan. Qualified in 2011, 15 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
15
Licensed in
MI
In the registry since
2013
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

655 Kenmoor Ave SE Ste 303
Grand Rapids, MI 49546-8622
Phone: (616) 259-5365
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6301015411 (MI)

Record details

NPI number1689912081
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJanuary 21, 2013
Last updated in NPPESAugust 29, 2023
Certification dateAugust 29, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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