William Won
Physical Medicine & Rehabilitation Physician · Austin, TX
William Won is a physical medicine & rehabilitation physician with a practice address in Austin, Texas, and NPI 1235879776, issued on Mar 31, 2022. Check the license (Texas 1235879776, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Won
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 1235879776 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1600 W 38TH St Ste 308, Austin, TX 78731
- Phone
- (512) 324-7131
- Enumerated
- Mar 31, 2022
- Record last updated
- Mar 29, 2024
- Medicaid ID
- 2018100000X TX
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,099 in Texas → Look up another NPI →
Also registered at 1600 W 38TH St Ste 308
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christa Seligman, AGNPGerontology Nurse Practitioner1184087686
Verify William Won in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license 1235879776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
47 Medicare Part D claims for 23 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Eliquis13 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.
Industry payments in 2024: $161.17
2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 3,895 providers of this specialty with any payment received $1,237.86 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.
William Won among 1,099 physical medicine & rehabilitation physician records in Texas
William Won is one of 1,099 physical medicine & rehabilitation physician records with a practice address in Texas. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 47% of these records are
- Record last updated2024 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Texas
There are 1,099 physical medicine & rehabilitation physician records in Texas.
All 1,099 in Texas → Every provider in Austin → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Kunj Amin, M.D.Austin, TX 787311164876496
- Hunter Ashby, DOAustin, TX 787311801385679
- Brooke Brown, DPTAustin, TX 787311548845407
- Lee Moroz, M.D.Austin, TX 787311609824457
- Mark Queralt, M.D.Austin, TX 787311437160934
- J. Wellborn, M.D.Austin, TX 787331578601019
- Taylor Aiken, DPTLakeway, TX 787341700501939
- Asher Light, M.D.Lakeway, TX 787341730476094
Common questions
What is William Won's NPI number?
William Won's National Provider Identifier (NPI) is 1235879776, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William Won located?
The NPPES record lists a practice address at 1600 W 38TH St Ste 308, Austin, TX, 78731. Phone: (512) 324-7131. Providers update this record themselves, so call before visiting.
How can I verify William Won's license?
NPPES lists Texas license number 1235879776, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Won prescribe under Medicare Part D?
In 2024, William Won had 47 Medicare Part D claims for 23 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.