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

Dr. Perry Len Hassell, PHD

Individual provider Psychologist · NPI 1750493227

Dr. Perry Len Hassell, PHD is a Clinical Psychologist in Oklahoma City, Oklahoma. Qualified in 1982, 44 years ago. Practices with Integris Ambulatory Care Corporation, a 683-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
44
Licensed in
OK
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

5100 N Brookline Ave
Oklahoma City, OK 73112-3623
Phone: (405) 604-3170
Fax: (405) 948-2745
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 480 (OK)

Record details

NPI number1750493227
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 21, 2022
Mailing address400 Fairview Ave, Suite 9, Ponca City, OK 74601-1910

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Integris Ambulatory Care Corporation — 683 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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