David Chan, OTR/L
NPI 1720304405 · Occupational Therapist · Irvine, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chan, OTR/L is a Occupational Therapist provider in Irvine, CA (NPI 1720304405).
Provider details
- NPI number
- 1720304405
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8053 (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
16 yrs in NPPES 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
- 2010-04-20
- Last updated
- 2010-04-20
Frequently asked questions
- What is David Chan's NPI number?
- David Chan's National Provider Identifier (NPI) is 1720304405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chan's specialty?
- David Chan is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is David Chan located?
- David Chan's practice location on file with NPPES is 81 Waterman, Irvine, CA 92602-1654.
- What is David Chan's phone number?
- The practice phone number listed in the NPPES registry for David Chan is (714) 760-1986.
- Does David Chan accept Medicare?
- David Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chan's NPI active?
- Yes — David Chan's NPI (1720304405) is active in the NPPES registry as of the last update on 2010-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.