William Mark Hamilton, OTR/L
Occupational Therapist · Fayetteville, AR
William Mark Hamilton, OTR/L is an occupational therapist with a practice address in Fayetteville, Arkansas, and NPI 1053334953, issued on Jul 25, 2006. Check the license (Arkansas OTR1534, as entered in NPPES) with the Arkansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Mark Hamilton
- Credential
- OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License numbers
- OTR1534 AR
1039824 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3317 N Wimberly Dr FL 2, Fayetteville, AR 72703
- Phone
- (479) 587-3117
- Enumerated
- Jul 25, 2006
- Record last updated
- Nov 12, 2023
- Fax
- (479) 587-3185
- Medicare enrollment
- Enrolled (PECOS I20220222002704); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 1,673 in Arkansas → Look up another NPI →
Also registered at 3317 N Wimberly Dr FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shannon Astin, PTPhysical Therapist1437290988
- Anne Attia, PTPhysical Therapist1629442363
- Anna BlandOccupational Therapist1356009211
- Makenzie Bradford, OTOccupational Therapist1437749710
- Patrick Cunningham, OTR/LOccupational Therapist1871377010
- Logan Dewhitt, DPTPhysical Therapist1114574142
Verify William Mark Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arkansas board licenses this profession
Search for license OTR1534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 92.9 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).
Bills Medicare through one group practice
- Ozark Orthopaedics, P.A.Fayetteville, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Mark Hamilton among 1,673 occupational therapist records in Arkansas
William Mark Hamilton, OTR/L is one of 1,673 occupational therapist records with a practice address in Arkansas. 9% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated1989 · median 2016 among the 163 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
85 occupational therapist records list a practice address in Fayetteville
They are 85 of the 3,890 NPPES records with a practice address in Fayetteville, and 1,673 occupational therapist records in Arkansas.
All 1,673 in Arkansas → Every provider in Fayetteville → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Rebecca Clopton, OTR/LFayetteville, AR 727031578511481
- Sarah Evans, OTRLFayetteville, AR 727031639234834
- Jessica Gallo, OTRFayetteville, AR 727031801113261
- Whitney Garrison, OTRFayetteville, AR 727031144486697
- Tammy Graham, O.T.Fayetteville, AR 727031568696698
- Ruth Jeffries, OTR/LFayetteville, AR 727031831322692
- Moses Kimari, OTRFayetteville, AR 727031134176753
- Heather Litchford, OTR/LFayetteville, AR 727031730147976
Common questions
What is William Mark Hamilton, OTR/L's NPI number?
William Mark Hamilton, OTR/L's National Provider Identifier (NPI) is 1053334953, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Mark Hamilton, OTR/L located?
The NPPES record lists a practice address at 3317 N Wimberly Dr FL 2, Fayetteville, AR, 72703. Phone: (479) 587-3117. Providers update this record themselves, so call before visiting.
How can I verify William Mark Hamilton, OTR/L's license?
NPPES lists Arkansas license number OTR1534, as entered by the provider. Search the Arkansas board that licenses this profession; the NPPES record confirms identity only.
What is William Mark Hamilton, OTR/L's MIPS final score?
The 2023 MIPS final score is 92.9 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.