NPPES file of Aug 9, 2026

Terri Nicole Williams, FNP-C

Family Nurse Practitioner · Canton, OK

Terri Nicole Williams, FNP-C is a family nurse practitioner with a practice address in Canton, Oklahoma, and NPI 1851883599, issued on May 30, 2018. Check the license (Oklahoma 99669, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851883599
Name
Terri Nicole Williams
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
99669 OK
Self-reported in NPPES; status is on the state search
Practice location
310 E Walnut, Canton, OK 73724
Phone
(580) 596-2800
Enumerated
May 30, 2018
Record last updated
Mar 12, 2025
Fax
(580) 596-2805
Medicare enrollment
Enrolled (PECOS I20240918000301); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Terri Nicole Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 99669
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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38% fewer Medicare Part D claims than the average family nurse practitioner in 2024

813 Medicare Part D claims for 126 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Terri Williams813
  2. Specialty average1,305

Most prescribed

  1. Lisinopril43 claims
  2. Omeprazole41 claims
  3. Levothyroxine Sodium35 claims
  4. Hydrochlorothiazide33 claims
  5. Atorvastatin Calcium29 claims
  6. Montelukast Sodium26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Great Salt Plains Health Center IncCanton, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

3 family nurse practitioner records list a practice address in Canton

They are 3 of the 12 NPPES records with a practice address in Canton, and 2,711 family nurse practitioner records in Oklahoma.

Other family nurse practitioner records in Oklahoma

  1. Angela Abbott, APRN, FNP-COwasso, OK1700569993
  2. Melissa Abbott, DNP, APRN, FNP-CTulsa, OK1891508479
  3. Bincy Abraham, NURSE PRACTITIONEROklahoma City, OK1083066609
  4. Ligi Abraham, APRN CNPOklahoma City, OK1376158295
  5. Susan Abrahamsen, APRNEl Reno, OK1902016298
  6. Silas Abrenica, FNPFort Sill, OK1669529723
  7. Jessica Acosta-Van Den Berg, APRN-CNPClinton, OK1922404888
  8. Stephanie Adame, APRNTulsa, OK1003402918
  9. Amy Adams, DNP, APRN, CNPSalina, OK1477952901
  10. Harvey Adams, APRNOklahoma City, OK1003363250

Common questions

What is Terri Nicole Williams, FNP-C's NPI number?

Terri Nicole Williams, FNP-C's National Provider Identifier (NPI) is 1851883599, issued on May 30, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Terri Nicole Williams, FNP-C located?

The NPPES record lists a practice address at 310 E Walnut, Canton, OK, 73724. Phone: (580) 596-2800. Providers update this record themselves, so call before visiting.

How can I verify Terri Nicole Williams, FNP-C's license?

NPPES lists Oklahoma license number 99669, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Terri Nicole Williams, FNP-C prescribe under Medicare Part D?

In 2024, Terri Nicole Williams, FNP-C had 813 Medicare Part D claims for 126 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.