William Justin Hayes, M.D.
Family Medicine Physician · Fort Smith, AR
William Justin Hayes, M.D. is a family medicine physician with a practice address in Fort Smith, Arkansas, and NPI 1891735098, issued on Jun 7, 2006. Check the license (Arkansas E3907, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Justin Hayes
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- E3907 AR
26119 OK
Self-reported in NPPES; status is on the state search - Practice location
- 11300 Roberts Blvd, Fort Smith, AR 72916
- Phone
- (479) 434-6205
- Enumerated
- Jun 7, 2006
- Record last updated
- Sep 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (479) 434-6210
- Medicaid ID
- 155075001 AR
- Medicare enrollment
- Enrolled (PECOS I20080917000706); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,681 in Arkansas → Look up another NPI →
Also registered at 11300 Roberts Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kendall Wagner, M.D.Internal Medicine Physician1699091264
Verify William Justin Hayes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E3907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average family medicine physician in 2024
11,186 Medicare Part D claims for 487 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 142 claims were for opioids.
Most prescribed
- Omeprazole546 claims
- Atorvastatin Calcium423 claims
- Lisinopril365 claims
- Losartan Potassium322 claims
- Synthroid313 claims
- Potassium Chloride302 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 practice group's MIPS final score for 2023 (Medicare payment program): 65.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $126.51
3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- Choctaw Nation OF OklahomaPoteau, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Justin Hayes among 1,681 family medicine physician records in Arkansas
William Justin Hayes, M.D. is one of 1,681 family medicine physician records with a practice address in Arkansas. 87% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2004 among the 1,156 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
103 family medicine physician records list a practice address in Fort Smith
They are 103 of the 2,951 NPPES records with a practice address in Fort Smith, and 1,681 family medicine physician records in Arkansas.
All 1,681 in Arkansas → Every provider in Fort Smith → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ian Cheyne, MDFort Smith, AR 729161740695410
- Joshua Clark, M.D.Fort Smith, AR 729161265632368
- Michael Cole, MDFort Smith, AR 729161710973649
- Eric Drolshagen, MDFort Smith, AR 729161598285181
- Chansamorn Nouansavane, MDFort Smith, AR 729161811098403
- Jamie Powers, APRNFort Smith, AR 729161811618358
- Andrew Ryals, D.O.Fort Smith, AR 729161508295601
- David Sills, MDFort Smith, AR 729161063409878
Common questions
What is William Justin Hayes, M.D.'s NPI number?
William Justin Hayes, M.D.'s National Provider Identifier (NPI) is 1891735098, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Justin Hayes, M.D. located?
The NPPES record lists a practice address at 11300 Roberts Blvd, Fort Smith, AR, 72916. Phone: (479) 434-6205. Providers update this record themselves, so call before visiting.
How can I verify William Justin Hayes, M.D.'s license?
NPPES lists Arkansas license number E3907, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Justin Hayes, M.D. prescribe under Medicare Part D?
In 2024, William Justin Hayes, M.D. had 11,186 Medicare Part D claims for 487 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Justin Hayes, M.D.'s MIPS final score?
The 2023 MIPS final score is 65.7 of 100, reported for the practice group. 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.