What is Tammy Chang's NPI number?

Tammy Chang's National Provider Identifier (NPI) is 1942657879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tammy Chang's specialty?

Tammy Chang is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Tammy Chang located?

Tammy Chang's practice location on file with NPPES is 621 Coolidge St, Honolulu, HI 96826-4506.

What is Tammy Chang's phone number?

The practice phone number listed in the NPPES registry for Tammy Chang is (808) 271-6279.

Is Tammy Chang's NPI active?

Yes — Tammy Chang's NPI (1942657879) is active in the NPPES registry as of the last update on 2025-11-14.

IndividualActive

Tammy Chang, BCBA

NPI 1942657879 · Behavior Analyst · Honolulu, HI

Tammy Chang, BCBA is a Behavior Analyst provider in Honolulu, HI (NPI 1942657879).

Provider details

NPI number: 1942657879
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Credential: BCBA
Sex: Female
Sole proprietor: No
License: BA-307 (HI)

Specialties & taxonomies

Behavior AnalystPrimary103K00000XLicense BA-307 (HI)
Behavioral Health & Social 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

621 Coolidge St

Honolulu, HI 96826-4506

Phone: (808) 271-6279

Street-level locationGet directions

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Mailing address