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William Chong, BCBA
NPI 1285168104 · Behavior Analyst · Costa Mesa, CA
William Chong, BCBA is a Behavior Analyst provider in Costa Mesa, CA (NPI 1285168104).
Provider details
- NPI number
- 1285168104
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- BCBA
- Sex
- Male
- Sole proprietor
- No
- License
- 1-17-25659 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
3125 Red Hill Ave
Ste 100
Costa Mesa, CA 92626-3418
Phone: (714) 881-0427
Fax: (714) 327-0673
Approximate (ZIP-level) locationGet directions
Mailing address
3125 Red Hill Ave
Costa Mesa, CA 92626-3418
Registry dates
- Enumerated
- 2017-04-18
- Last updated
- 2017-04-18
Frequently asked questions
- What is William Chong's NPI number?
- William Chong's National Provider Identifier (NPI) is 1285168104, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chong's specialty?
- William Chong is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is William Chong located?
- William Chong's practice location on file with NPPES is 3125 Red Hill Ave, Costa Mesa, CA 92626-3418.
- What is William Chong's phone number?
- The practice phone number listed in the NPPES registry for William Chong is (714) 881-0427.
- Is William Chong's NPI active?
- Yes — William Chong's NPI (1285168104) is active in the NPPES registry as of the last update on 2017-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.