IndividualActive
Trina Chang
NPI 1457702961 · Acupuncturist · Walnut, CA
Trina Chang is a Acupuncturist provider in Walnut, CA (NPI 1457702961).
Provider details
- NPI number
- 1457702961
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- AC17127 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
21102 Northview Dr
Walnut, CA 91789-2022
Phone: (909) 979-7643
Street-level locationGet directions
Mailing address
3207 S Brea Canyon Rd Ste B
Diamond Bar, CA 91765-3458
Registry dates
- Enumerated
- 2016-06-27
- Last updated
- 2016-12-20
Frequently asked questions
- What is Trina Chang's NPI number?
- Trina Chang's National Provider Identifier (NPI) is 1457702961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trina Chang's specialty?
- Trina Chang is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is Trina Chang located?
- Trina Chang's practice location on file with NPPES is 21102 Northview Dr, Walnut, CA 91789-2022.
- What is Trina Chang's phone number?
- The practice phone number listed in the NPPES registry for Trina Chang is (909) 979-7643.
- Is Trina Chang's NPI active?
- Yes — Trina Chang's NPI (1457702961) is active in the NPPES registry as of the last update on 2016-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.