William A. Willis, M.D.
General Practice Physician · Poteau, OK
William A. Willis, M.D. is a general practice physician with a practice address in Poteau, Oklahoma, and NPI 1205875846, issued on Jun 6, 2006. Check the license (Oklahoma 12280, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- William A. Willis
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 12280 OK
Self-reported in NPPES; status is on the state search - Practice location
- 104 Wall St, Poteau, OK 74953
- Phone
- (918) 839-2159
- Enumerated
- Jun 6, 2006
- Record last updated
- Jun 4, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 100117220A OK
- Medicare enrollment
- Enrolled (PECOS I20060929000396); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 131 in Oklahoma → Look up another NPI →
Also registered at 104 Wall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet Garvin, D.O.Family Medicine Physician1952341562
- Jason Graham, NPFamily Nurse Practitioner1285317735
- Nancy Merritt, D.O.Internal Medicine Physician1992843809
- Jocelyn Newton, APRNPrimary Care Nurse Practitioner1528758372
- Kassandra Payne, DOFamily Medicine Physician1174903389
Verify William A. Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 12280Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average general practice physician in 2024
10,017 Medicare Part D claims for 638 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 2,501 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen1,545 claims
- Oxycodone Hcl627 claims
- Zolpidem Tartrate428 claims
- Gabapentin414 claims
- Lisinopril244 claims
- Albuterol Sulfate Hfa215 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.
The MIPS final score for 2023 (Medicare payment program): 26.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $159.58
9 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pro-Care Family Health OF Oklahoma , LLCPoteau, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William A. Willis among 131 general practice physician records in Oklahoma
William A. Willis, M.D. is one of 131 general practice physician records with a practice address in Oklahoma. 56% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 60% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated1978 · median 2005 among the 44 with a school on file
- Record last updated2018 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Oklahoma
There are 131 general practice physician records in Oklahoma.
All 131 in Oklahoma → Every provider in Poteau → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- John Friedl, D.O.Roland, OK 749541518014729
- Ageena HassSallisaw, OK 749551801537642
- Rodney McCrory, D.O.Shawnee, OK 748041407815368
- Scott Evans, D.O.Durant, OK 747011508178054
- Trenton Howard, MDNewkirk, OK 746471215553102
- Beth Leader, DOAntlers, OK 745231891786737
- Melville Bradley, MDMcAlester, OK 745011487734083
- Mark Reiheld, MDMcAlester, OK 745011598922171
Common questions
What is William A. Willis, M.D.'s NPI number?
William A. Willis, M.D.'s National Provider Identifier (NPI) is 1205875846, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Willis, M.D. located?
The NPPES record lists a practice address at 104 Wall St, Poteau, OK, 74953. Phone: (918) 839-2159. Providers update this record themselves, so call before visiting.
How can I verify William A. Willis, M.D.'s license?
NPPES lists Oklahoma license number 12280, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William A. Willis, M.D. prescribe under Medicare Part D?
In 2024, William A. Willis, M.D. had 10,017 Medicare Part D claims for 638 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is William A. Willis, M.D.'s MIPS final score?
The 2023 MIPS final score is 26.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.