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

Mr. John Greer Clark, PHD

Individual provider Audiologist · NPI 1558421784

Mr. John Greer Clark, PHD is an Audiologist in Middletown, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2006
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

1044 Summitt Dr
Middletown, OH 45042-3400
Phone: (513) 422-6516
Fax: (513) 422-5199
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist (primary) Taxonomy 231H00000X · Licence 03206 (OH)

Record details

NPI number1558421784
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 11, 2006
Last updated in NPPESOctober 19, 2012
Mailing address1044 Summitt Dr, Middletown, OH 45042-3400

Other providers in Middletown