Hwa Chang
NPI 1255609657 · Substance Abuse Rehabilitation Facility · Whittier, CA
Hwa Chang is a Substance Abuse Rehabilitation Facility provider in Whittier, CA (NPI 1255609657).
Provider details
- NPI number
- 1255609657
- Entity type
- Individual
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2011-12-13
- Last updated
- 2011-12-13
Frequently asked questions
- What is Hwa Chang's NPI number?
- Hwa Chang's National Provider Identifier (NPI) is 1255609657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hwa Chang's specialty?
- Hwa Chang is listed in the NPPES registry with a primary specialty of Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Hwa Chang located?
- Hwa Chang's practice location on file with NPPES is 12322 Clearglen Ave, Whittier, CA 90604-3872.
- What is Hwa Chang's phone number?
- The practice phone number listed in the NPPES registry for Hwa Chang is (562) 242-1077.
- Is Hwa Chang's NPI active?
- Yes — Hwa Chang's NPI (1255609657) is active in the NPPES registry as of the last update on 2011-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.