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

Mr. John Gregor Holzheimer, LISW

Individual provider Counselor · NPI 1124572987

Mr. John Gregor Holzheimer, LISW is a Counselor in Lakewood, Ohio. Works from 2 locations. Licensed in Ohio.

Licensed in
OH
In the registry since
2016
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

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Practice location Address checks out

14701 Detroit Ave Rm 350-34
Lakewood, OH 44107-4115
Phone: (212) 470-3223
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 248 E 151st St, Cleveland, OH 44110-1215 — (212) 470-3223

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence I.2506361 (OH)

Record details

NPI number1124572987
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW
Sole proprietorNo
NPI enumeratedAugust 10, 2016
Last updated in NPPESMarch 21, 2025
Certification dateMarch 21, 2025

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