John Williams, OTR/L
NPI 1669038113 · Hand Occupational Therapist · West Hills, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Williams, OTR/L is a Hand Occupational Therapist provider in West Hills, CA (NPI 1669038113).
Provider details
- NPI number
- 1669038113
- Entity type
- Individual
- Primary specialty
- Hand Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- Yes
- License
- 21882 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,535 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 524 | $24 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 495 | $22 |
| Application of Ultrasound, Each 15 Minutes97035 | 465 | $11 |
| Application of Electrical Stimulation With Therapist Present, Each 15 Minutes97032 | 450 | $12 |
| Therapy Procedure Using Functional Activities97530 | 419 | $39 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 94 | $29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-09
- Last updated
- 2021-11-22
- Certified
- 2021-11-22
Frequently asked questions
- What is John Williams's NPI number?
- John Williams's National Provider Identifier (NPI) is 1669038113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Williams's specialty?
- John Williams is listed in the NPPES registry with a primary specialty of Hand Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is John Williams located?
- John Williams's practice location on file with NPPES is 22110 Roscoe Blvd Ste 302, West Hills, CA 91304-3864.
- What is John Williams's phone number?
- The practice phone number listed in the NPPES registry for John Williams is (818) 347-7110.
- Does John Williams accept Medicare?
- John Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Williams's NPI active?
- Yes — John Williams's NPI (1669038113) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.