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

Brian C. Ess, PHD

Individual provider Counseling Psychologist · NPI 1972636512

Brian C. Ess, PHD is a Clinical Psychologist in Owasso, Oklahoma. Qualified in 2013, 13 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Florida and Oklahoma.

Years since qualifying
13
Licensed in
FL, OK
In the registry since
2007
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.

See every abbreviation used in this directory →

Practice location Address checks out

202 E 2nd Ave Ste 105
Owasso, OK 74055-3131
Phone: (539) 202-6480
Fax: (539) 424-3025
Show map & directions

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

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 1267 (OK)
Counseling Psychologist Taxonomy 103TC1900X · Licence PY-9235 (FL)

Record details

NPI number1972636512
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 13, 2007
Last updated in NPPESDecember 20, 2019
Certification dateDecember 20, 2019
Mailing addressPo Box 1333, Claremore, OK 74018-1333

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount