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

Dr. Sonya Lynn Cornwell, PHD

Individual provider Adult Development & Aging Psychologist · NPI 1194216374

Dr. Sonya Lynn Cornwell, PHD is a Clinical Psychologist in Tahlequah, Oklahoma. Qualified in 2010, 16 years ago. Practices with Sonya L Cornwell PHD Clinical Psychologist PLLC, a 2-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
16
Licensed in
OK
In the registry since
2018
Specialties on file
5
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

310 W Keetoowah St
Tahlequah, OK 74464-3824
Phone: (817) 307-0949
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 1309 (OK)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 1309 (OK)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 1309 (OK)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 1309 (OK)
Health Service Psychologist Taxonomy 103TH0100X · Licence 1309 (OK)

Record details

NPI number1194216374
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 23, 2018
Last updated in NPPESSeptember 25, 2019

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Sonya L Cornwell Phd Clinical Psychologist Pllc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount