Karen M. Bretz, PH.D
Psychologist · Westerville, OH
Karen M. Bretz, PH.D is a psychologist with a practice address in Westerville, Ohio, and NPI 1164745311, issued on Mar 2, 2010. Check the license (Ohio P.7125, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen M. Bretz
- Credential
- PH.D
- Primary taxonomy
- Psychologist 103T00000X
- License numbers
- P.7125 OH
10-03AP-PL AR
Self-reported in NPPES; status is on the state search - Practice location
- 124 County Line RD W, Westerville, OH 43082
- Phone
- (614) 360-2600
- Enumerated
- Mar 2, 2010
- Record last updated
- Nov 2, 2023
- Fax
- (844) 320-2600
- Medicare enrollment
- Enrolled (PECOS I20140325001871); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 1,529 in Ohio → Look up another NPI →
Also registered at 124 County Line RD W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Fulton, D.D.S.General Practice Dentistry1487794004
- Heidi Stauffer, DDSDentist1942494380
Verify Karen M. Bretz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license P.7125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Columbus Behavioral Health, LLCWesterville, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen M. Bretz among 1,529 psychologist records in Ohio
Karen M. Bretz, PH.D is one of 1,529 psychologist records with a practice address in Ohio. 18% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 50% of them.
- NPI issued2010 · 50% of these records are older, 48% newer
- In a Medicare fileYes · 18% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated2009 · median 2003 among the 393 with a school on file
- Record last updated2023 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in Ohio
There are 1,529 psychologist records in Ohio.
All 1,529 in Ohio → Every provider in Westerville → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Amy Rouse, PSY.D.Westerville, OH 430821720257611
- Hanna Schultz, PHDWesterville, OH 430821447845011
- Erin Smith, PH.D.Westerville, OH 430821588098404
- Robert Arendt, PH.D.Westerville, OH 430811619190535
- Princess Black, PSY.D.Westerville, OH 430811285032821
- Kelley Drayer, PHDWesterville, OH 430811942650437
- Allison Fagan, PH.D.Westerville, OH 430811104253152
- Connor Fais, PHDWesterville, OH 430811508437872
Common questions
What is Karen M. Bretz, PH.D's NPI number?
Karen M. Bretz, PH.D's National Provider Identifier (NPI) is 1164745311, issued on Mar 2, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Karen M. Bretz, PH.D located?
The NPPES record lists a practice address at 124 County Line RD W, Westerville, OH, 43082. Phone: (614) 360-2600. Providers update this record themselves, so call before visiting.
How can I verify Karen M. Bretz, PH.D's license?
NPPES lists Ohio license number P.7125, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.