Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Darreon Darrell Greer Sr., PHD

Individual provider Clinical Psychologist · NPI 1447742895

Dr. Darreon Darrell Greer Sr., PHD is a Clinical Psychologist in Dayton, Ohio. Qualified in 2019, 7 years ago. Accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
7
Licensed in
OH
In the registry since
2018
Specialties on file
2
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

3320 W 3rd St
Dayton, OH 45417-1814
Phone: (937) 640-1679
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence P.08229 (OH)
Counseling Psychologist Taxonomy 103TC1900X

Record details

NPI number1447742895
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 1, 2018
Last updated in NPPESAugust 8, 2023
Certification dateAugust 8, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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