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

Karen M Bretz, PHD

Individual provider Psychologist · NPI 1164745311

Karen M Bretz, PHD is a Clinical Psychologist in Westerville, Ohio. Qualified in 2009, 17 years ago. Practices with Columbus Behavioral Health, LLC, a 16-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arkansas and Ohio.

Years since qualifying
17
Licensed in
AR, OH
In the registry since
2010
Specialties on file
2
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

124 County Line Rd W Ste B
Westerville, OH 43082-7233
Phone: (614) 360-2600
Fax: (844) 320-2600
Show map & directions

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

Additional practice locations (2)

  • 6631 Commerce Pkwy Ste R, Dublin, OH 43017-3239 — (614) 360-2600
  • 5071 Forest Dr Ste B, New Albany, OH 43054-8181 — (614) 360-2600

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence P.7125 (OH)
Psychologist Taxonomy 103T00000X · Licence 10-03AP-PL (AR)

Record details

NPI number1164745311
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 2, 2010
Last updated in NPPESNovember 2, 2023
Certification dateNovember 2, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Columbus Behavioral Health, Llc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Westerville