SONYA L CORNWELL PHD CLINICAL PSYCHOLOGIST PLLC
NPI 1417508904
Psychologist - Clinical in Tahlequah, OK
About Sonya L Cornwell Phd Clinical Psychologist Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SONYA L CORNWELL PHD CLINICAL PSYCHOLOGIST PLLC (NPI 1417508904) is a healthcare organization registered as a clinical in Tahlequah, Oklahoma and active in the NPI registry since September 2019. The organization lists Sonya L Cornwell, Phd And Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 6
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sonya L Cornwell Phd Clinical Psychologist Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
6Medicare enrollment records show 6 clinicians reassign Medicare billing to Sonya L Cornwell Phd Clinical Psychologist PLLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (6)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sonya L Cornwell Phd Clinical Psychologist PLLC's NPI number?
The NPI number for Sonya L Cornwell Phd Clinical Psychologist PLLC is 1417508904. It was assigned to this organization in the NPPES registry on September 25, 2019.
Where is Sonya L Cornwell Phd Clinical Psychologist PLLC located?
Sonya L Cornwell Phd Clinical Psychologist PLLC is located at 310 W Keetoowah St, Tahlequah, OK 74464. The listed phone number is (918) 708-9558.
What is Sonya L Cornwell Phd Clinical Psychologist PLLC's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Sonya L Cornwell Phd Clinical Psychologist PLLC enrolled in Medicare?
Yes. Sonya L Cornwell Phd Clinical Psychologist PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sonya L Cornwell Phd Clinical Psychologist PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians reassign their Medicare billing to Sonya L Cornwell Phd Clinical Psychologist PLLC, in Clinical Psychologist, Clinical Social Worker, Mental Health Counselor, Occupational Therapist in Private Practice and Qualified Speech Language Pathologist. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Sonya L Cornwell Phd Clinical Psychologist PLLC accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma list Sonya L Cornwell Phd Clinical Psychologist PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sonya L Cornwell Phd Clinical Psychologist PLLC was last updated on September 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sonya L Cornwell Phd Clinical Psychologist Pllc · NPI 1417508904
Clinical organization in Tahlequah, Oklahoma. Organization record, active in the CMS NPPES registry since September 25, 2019.
## Identity
- **NPI:** 1417508904 (Entity type: Organization)
- **Enumerated:** September 25, 2019
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **Organization subpart:** No
- **Authorized official:** Sonya Cornwell, PHD AND OWNER
## Practice location
- **Address:** 310 W KEETOOWAH ST, Tahlequah, OK 74464-3824
- **Phone:** (918) 708-9558 · **Fax:** (918) 708-9580
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 6 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Psychologist (2), Clinical Social Worker (1), Mental Health Counselor (1); 4 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 25, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1417508904) · Data from the CMS NPPES public registry.