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

Dr. Kelley Callahan, PSYD

Individual provider Psychologist · NPI 1780906206

Dr. Kelley Callahan, PSYD is a Clinical Psychologist in Greenville, Ohio. Qualified in 1990, 36 years ago. Practices with Layh and Associates Inc, a 15-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
36
Licensed in
OH
In the registry since
2010
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

212 E Main St
Greenville, OH 45331-1913
Phone: (937) 548-1635
Fax: (937) 548-1500
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 4466 (OH)

Record details

NPI number1780906206
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedFebruary 25, 2010
Last updated in NPPESOctober 20, 2020
Certification dateOctober 20, 2020
Mailing addressPo Box 895, 212 East Main Street, Greenville, OH 45331

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Layh And Associates Inc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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