IndividualActive
Tammy Chang, MSW
NPI 1871635193 · Mental Health Counselor · Glendora, CA
Tammy Chang, MSW is a Mental Health Counselor provider in Glendora, CA (NPI 1871635193).
Provider details
- NPI number
- 1871635193
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1160 S Grand Ave.
Glendora, CA 91740-5000
Phone: (626) 335-5980
Fax: (626) 335-5989
Street-level locationGet directions
Mailing address
1114 S. Atlantic Blvd.
Monterey Park, CA 91754
Registry dates
- Enumerated
- 2007-02-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Tammy Chang's NPI number?
- Tammy Chang's National Provider Identifier (NPI) is 1871635193, 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 Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Tammy Chang located?
- Tammy Chang's practice location on file with NPPES is 1160 S Grand Ave., Glendora, CA 91740-5000.
- What is Tammy Chang's phone number?
- The practice phone number listed in the NPPES registry for Tammy Chang is (626) 335-5980.
- Is Tammy Chang's NPI active?
- Yes — Tammy Chang's NPI (1871635193) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.