DR. SONYA LYNN CORNWELL (PH.D.) – Clinical Psychologist, NPI 1194216374

DR. SONYA LYNN CORNWELL (PH.D.) is a healthcare provider. based in Tahlequah, Oklahoma. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. They hold a License No. 1309 (OK). The NPI Number for DR. SONYA LYNN CORNWELL (PH.D.) is 1194216374

Main info

Female
Sole Proprietor
16 Years Of Experience
Accepts Medicare Assignment
Name
DR. SONYA LYNN CORNWELL (PH.D.)
NPI
1194216374
Phone
(918) 708-9558
Address
310 W KEETOOWAH ST
Enumeration Date
23 May 2018
Last Update Date
25 September 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9187089558
Graduation Year
2010 (16 years ago)
PAC ID
8022363514
Group Practice PAC ID
8729410048
Professional Enrollment ID
I20180625002893
Address ID
OK744643824TA310XXSTXX400
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience40
Completeness75
Years active:8State licenses:1Digital endpointsOther names

196 CLINICAL PSYCHOLOGIST in OK

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Provider Addresses for DR. SONYA LYNN CORNWELL (PH.D.)

  • West Keetoowah Street, Tahlequah, Cherokee County, Oklahoma, 74464, United States

    TAHLEQUAH, OK 744643824

    Phone: (918) 708-9558

    Fax: (918) 708-9580

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2018-06-25

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20180625002893IClinical PsychologistOKTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 74464)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8729410048View full group profile
NameSpecialtyState
Clinical Social WorkerOK

Reviews

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Frequently asked questions

Where can patients find DR. SONYA LYNN CORNWELL (PH.D.)'s NPI?
You can confirm DR. SONYA LYNN CORNWELL (PH.D.) with NPI 1194216374; it appears in the national provider directory.
Is DR. SONYA LYNN CORNWELL (PH.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What field does DR. SONYA LYNN CORNWELL (PH.D.) work in?
You can think of DR. SONYA LYNN CORNWELL (PH.D.) as practicing within Clinical Psychologist. Clinical services aligned with this taxonomy classification.
Where is DR. SONYA LYNN CORNWELL (PH.D.)'s primary listing?
We display Tahlequah, Oklahoma because that is what the record indicates for DR. SONYA LYNN CORNWELL (PH.D.).
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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