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

Dr. Ruth Ann Tetz, PHD

Individual provider Psychologist · NPI 1972504256

Dr. Ruth Ann Tetz, PHD is a Clinical Psychologist in Holland, Ohio. Qualified in 1987, 39 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
39
Licensed in
OH
In the registry since
2005
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

7318 International Dr Ste F
Holland, OH 43528-9560
Phone: (419) 867-0301
Fax: (419) 867-0307
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 4023 (OH)

Record details

NPI number1972504256
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 9, 2005
Last updated in NPPESJuly 8, 2007
Mailing address7318 International Dr, Suite F, Holland, OH 43528-9560

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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