Sonya Lynn Cornwell, PH.D.
Clinical Psychologist · Tahlequah, OK
Sonya Lynn Cornwell, PH.D. is a clinical psychologist with a practice address in Tahlequah, Oklahoma, and NPI 1194216374, issued on May 23, 2018. Check the license (Oklahoma 1309, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sonya Lynn Cornwell
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 1309 OK
Self-reported in NPPES; status is on the state search - Practice location
- 310 W Keetoowah St, Tahlequah, OK 74464
- Phone
- (817) 307-0949
- Enumerated
- May 23, 2018
- Record last updated
- Sep 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180625002893); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 248 in Oklahoma → Look up another NPI →
Also registered at 310 W Keetoowah St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Melles, PHDClinical Psychologist1528748993
- M. Wincent, OTIIIOccupational Therapist1437264397
Verify Sonya Lynn Cornwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 1309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sonya L Cornwell Phd Clinical Psychologist PLLCTahlequah, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sonya Lynn Cornwell among 248 clinical psychologist records in Oklahoma
Sonya Lynn Cornwell, PH.D. is one of 248 clinical psychologist records with a practice address in Oklahoma. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated2010 · median 2000 among the 64 with a school on file
- Record last updated2019 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Oklahoma
There are 248 clinical psychologist records in Oklahoma.
All 248 in Oklahoma → Every provider in Tahlequah → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Misty Boyd, PH.D.Tahlequah, OK 744641568455764
- Denise Lagrand, PSY.D.Tahlequah, OK 744641174640700
- Elizabeth Melles, PHDTahlequah, OK 744641528748993
- William Bryant, PH.D.Okmulgee, OK 744471427191683
- Kathleen Ward, PH.D.McAlester, OK 745011033221783
- Bevan Graybill, PH.D.Muskogee, OK 744011164433157
- Jordan Heroux, PH.D.Muskogee, OK 744011184138141
- Beth Jeffries, PHDMuskogee, OK 744011760596191
Common questions
What is Sonya Lynn Cornwell, PH.D.'s NPI number?
Sonya Lynn Cornwell, PH.D.'s National Provider Identifier (NPI) is 1194216374, issued on May 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sonya Lynn Cornwell, PH.D. located?
The NPPES record lists a practice address at 310 W Keetoowah St, Tahlequah, OK, 74464. Phone: (817) 307-0949. Providers update this record themselves, so call before visiting.
How can I verify Sonya Lynn Cornwell, PH.D.'s license?
NPPES lists Oklahoma license number 1309, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.