Andy Chang
NPI 1528350964 · Occupational Therapist · Downey, CA
Andy Chang is a Occupational Therapist provider in Downey, CA (NPI 1528350964).
Provider details
- NPI number
- 1528350964
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- OT17874 (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
15 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
- 2011-05-04
- Last updated
- 2018-01-06
Frequently asked questions
- What is Andy Chang's NPI number?
- Andy Chang's National Provider Identifier (NPI) is 1528350964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Chang's specialty?
- Andy Chang is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Andy Chang located?
- Andy Chang's practice location on file with NPPES is 11500 Brookshire Ave, Downey, CA 90241-4917.
- What is Andy Chang's phone number?
- The practice phone number listed in the NPPES registry for Andy Chang is (562) 904-5000.
- Is Andy Chang's NPI active?
- Yes — Andy Chang's NPI (1528350964) is active in the NPPES registry as of the last update on 2018-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.