Nai-Chung Chang
NPI 1841132347 · Pediatric Occupational Therapist · Fullerton, CA
Nai-Chung Chang is a Pediatric Occupational Therapist provider in Fullerton, CA (NPI 1841132347).
Provider details
- NPI number
- 1841132347
- Entity type
- Individual
- Primary specialty
- Pediatric Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- OT26128 (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
- 2026-04-06
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is Nai-Chung Chang's NPI number?
- Nai-Chung Chang's National Provider Identifier (NPI) is 1841132347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nai-Chung Chang's specialty?
- Nai-Chung Chang is listed in the NPPES registry with a primary specialty of Pediatric Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Nai-Chung Chang located?
- Nai-Chung Chang's practice location on file with NPPES is 233 Orangefair Mall, Fullerton, CA 92832-3038.
- What is Nai-Chung Chang's phone number?
- The practice phone number listed in the NPPES registry for Nai-Chung Chang is (714) 870-6116.
- Is Nai-Chung Chang's NPI active?
- Yes — Nai-Chung Chang's NPI (1841132347) 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.