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

Olivia Hansen Gratz, PHD

Individual provider Clinical Psychologist · NPI 1992255103

Olivia Hansen Gratz, PHD is a Clinical Psychologist in Grand Rapids, Michigan. Licensed in Michigan. Registered with an NPI since 2016.

Licensed in
MI
In the registry since
2016
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

35 Michigan St NE Ste 5201
Grand Rapids, MI 49503-2530
Phone: (616) 267-2830
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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 6301019185 (MI)

Record details

NPI number1992255103
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 12, 2016
Last updated in NPPESSeptember 27, 2022
Certification dateSeptember 27, 2022

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