Quick answers
- Where does Sonya L. Cornwell see patients?
- Medicare's clinician data lists 1 practice location in Tahlequah, OK. Call before your visit to confirm the address.
- What is Sonya L. Cornwell's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Sonya L. Cornwell accept Medicare assignment?
- Yes. Medicare's clinician data says Sonya L. Cornwell accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Sonya L. Cornwell?
- (918) 708-9558, as listed in official Medicare / NPI Registry data.
- What is Sonya L. Cornwell's NPI number?
- 1194216374. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Sonya L. Cornwell is enrolled with Medicare (CMS data updated 2026-10-02).
- 310 W Keetoowah StTahlequah, OK 74464 (918) 708‑9558
Group practices
Medicare enrollment lists Sonya L. Cornwell as a member of this group (CMS data updated 2026-10-02).
- Sonya L Cornwell PHD Clinical Psychologist PLLC2 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194216374 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians