NPPES file of Aug 9, 2026

Catherine Williams, P.A.-C

Physician Assistant · Catoosa, OK

Catherine Williams, P.A.-C is a physician assistant with a practice address in Catoosa, Oklahoma, and NPI 1366469959, issued on Jul 17, 2006. Check the license (Oklahoma 3081, 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
1366469959
Name
Catherine Williams
Credential
P.A.-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
3081 OK
5170 AZ
Self-reported in NPPES; status is on the state search
Practice location
1818 N Highway 66 Ste B, Catoosa, OK 74015
Phone
(918) 379-5013
Enumerated
Jul 17, 2006
Record last updated
Oct 17, 2023
Medicare enrollment
Enrolled (PECOS I20201215000165); 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 Catherine 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 3081
    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
Find the Oklahoma license search

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79% fewer Medicare Part D claims than the average physician assistant in 2024

174 Medicare Part D claims for 123 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Catherine Williams174
  2. Specialty average830

Most prescribed

  1. Azithromycin35 claims
  2. Amoxicillin-Clavulanate Potass18 claims
  3. Prednisone15 claims
  4. Doxycycline Hyclate12 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. Peachtree Immediate Care FP, LLCAtlanta, GA

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

Catherine Williams among 1,870 physician assistant records in Oklahoma

Catherine Williams, P.A.-C is one of 1,870 physician assistant records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 78% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2016 · median 2017 among the 1,246 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 physician assistant records list a practice address in Catoosa

They are 2 of the 144 NPPES records with a practice address in Catoosa, and 1,870 physician assistant records in Oklahoma.

The 8 physician assistant records with the nearest ZIP codes

  1. Jessica Haines, PA-CCatoosa, OK 740151366714594
  2. Robbie Bollinger, PA-CBroken Arrow, OK 740141457711038
  3. Jacob Callison, PABroken Arrow, OK 740141487885877
  4. Tod Estes, PA-CChelsea, OK 740161851580062
  5. Elizabeth MartinezBroken Arrow, OK 740141639844483
  6. Nour MustafaBroken Arrow, OK 740141073119335
  7. Samuel Bethea, PA-CClaremore, OK 740171992193676
  8. Casey BulmanClaremore, OK 740171922976885

Common questions

What is Catherine Williams, P.A.-C's NPI number?

Catherine Williams, P.A.-C's National Provider Identifier (NPI) is 1366469959, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Williams, P.A.-C located?

The NPPES record lists a practice address at 1818 N Highway 66 Ste B, Catoosa, OK, 74015. Phone: (918) 379-5013. Providers update this record themselves, so call before visiting.

How can I verify Catherine Williams, P.A.-C's license?

NPPES lists Oklahoma license number 3081, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine Williams, P.A.-C prescribe under Medicare Part D?

In 2024, Catherine Williams, P.A.-C had 174 Medicare Part D claims for 123 beneficiaries; the average among physician assistant prescribers was 830. 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.