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

Thomas Hemmelgarn, PHD

Individual provider Psychologist · NPI 1801205190

Thomas Hemmelgarn, PHD is a Psychologist in Westerville, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2014
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

148 Walnut Ridge Ln
Westerville, OH 43081-2464
Phone: (614) 794-2317
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence OH 4087 (OH)

Record details

NPI number1801205190
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 12, 2014
Last updated in NPPESAugust 12, 2014
Mailing address148 Walnut Ridge Ln, Westerville, OH 43081-2464

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