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

William Hayes Obrien, PHD

Individual provider Health Service Psychologist · NPI 1023181633

William Hayes Obrien, PHD is a Clinical Psychologist in Bowling Green, Ohio. Qualified in 1990, 36 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
36
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.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

Of Psychology Bowling Green State University
Bowling Green, OH 43403-0001
Phone: (419) 372-2973
Show map & directions

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

Specialties & licences

Health Service Psychologist (primary) Taxonomy 103TH0100X · Licence 4553 (OH)

Record details

NPI number1023181633
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 15, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 48, Portage, OH 43451-0048

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)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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