John Williams, OTR/L
Hand Occupational Therapist · West Hills, CA
John Williams, OTR/L is a hand occupational therapist with a practice address in West Hills, California, and NPI 1669038113, issued on May 9, 2019. Check the license (California 21882, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Williams
- Credential
- OTR/L
- Primary taxonomy
- Hand Occupational Therapist 225XH1200X
- License number
- 21882 CA
Self-reported in NPPES; status is on the state search - Practice location
- 22110 Roscoe Blvd Ste 302, West Hills, CA 91304
- Phone
- (818) 347-7110
- Enumerated
- May 9, 2019
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210215001710); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hand occupational therapist records → All 458 in California → Look up another NPI →
Also registered at 22110 Roscoe Blvd Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monica Guy, OTRHand Occupational Therapist1053128199
Verify John Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Hand Center OF Southern CaliforniaVan Nuys, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Williams among 458 hand occupational therapist records in California
John Williams, OTR/L is one of 458 hand occupational therapist records with a practice address in California. 28% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 83% of them.
- NPI issued2019 · 83% of these records are older, 15% newer
- In a Medicare fileYes · 28% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated2020 · median 1998 among the 146 with a school on file
- Record last updated2021 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225XH1200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hand Occupational Therapist providers in California
There are 458 hand occupational therapist records in California.
All 458 in California → Every provider in West Hills → Hand Occupational Therapist nationwide →
The 8 hand occupational therapist records with the nearest ZIP codes
- Monica Guy, OTRWest Hills, CA 913041053128199
- Nancy Inagaki, OTR,CHTCanoga Park, CA 913041306969225
- Jennifer Putterflam, MOT, OTR/LEncino, CA 913161366128662
- Cindy Lum, OTR/LNorthridge, CA 913241821710948
- Daria Peshcherova, OTNorthridge, CA 913241033542741
- Huey-Ru Sevidal, OTR/L, CHTValencia, CA 913551770984643
- Lisa Barry Gofberg, OTRThousand Oaks, CA 913601255315966
- Heidi Bowers-Dutra, OTR/L, CHTThousand Oaks, CA 913601346245529
Common questions
What is John Williams, OTR/L's NPI number?
John Williams, OTR/L's National Provider Identifier (NPI) is 1669038113, issued on May 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John Williams, OTR/L located?
The NPPES record lists a practice address at 22110 Roscoe Blvd Ste 302, West Hills, CA, 91304. Phone: (818) 347-7110. Providers update this record themselves, so call before visiting.
How can I verify John Williams, OTR/L's license?
NPPES lists California license number 21882, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.