Yan Yu Lok
NPI 1720945504 · Occupational Therapist · Fairview, CA
Yan Yu Lok is a Occupational Therapist provider in Fairview, CA (NPI 1720945504).
Provider details
- NPI number
- 1720945504
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 24128 (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 tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2026-01-05
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is Yan Yu Lok's NPI number?
- Yan Yu Lok's National Provider Identifier (NPI) is 1720945504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yan Yu Lok's specialty?
- Yan Yu Lok is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Yan Yu Lok located?
- Yan Yu Lok's practice location on file with NPPES is 3269 D St, Fairview, CA 94541-4585.
- What is Yan Yu Lok's phone number?
- The practice phone number listed in the NPPES registry for Yan Yu Lok is (510) 537-6700.
- Is Yan Yu Lok's NPI active?
- Yes — Yan Yu Lok's NPI (1720945504) is active in the NPPES registry as of the last update on 2026-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.