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

Dr. Ryan K May, PHD

Individual provider Clinical Psychologist · NPI 1134126139

Dr. Ryan K May, PHD is a Clinical Psychologist in Marietta, Ohio. Practices as a sole proprietor and works from 2 locations. Licensed in Ohio and West Virginia.

Licensed in
OH, WV
In the registry since
2005
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

215 5th St Dept OF Psychology Marietta College
Marietta, OH 45750-4033
Phone: (740) 376-4767
Show map & directions

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

Additional practice locations (1)

  • 400 Matthew St Ste 200, Marietta, OH 45750-1633 — (740) 434-0563

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 6164 (OH)
Clinical Psychologist Taxonomy 103TC0700X · Licence 910 (WV)

Record details

NPI number1134126139
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 5, 2005
Last updated in NPPESAugust 18, 2020
Certification dateAugust 18, 2020
Mailing address215 5th St, Department Of Psychology, Marietta College, Marietta, OH 45750-4033

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