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Dr. Ting-Ju Chang

Pharmacist in Oakland, CA · enumerated 2017 · practices at Walgreen Co.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558877126

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Registry record

Entity type Individual (Type 1)
Name Dr. Ting-Ju Chang
Sex Female
Practice address 301 E 18th St, Oakland, CA, 94606
Phone (510) 271-0103
Enumeration date Dec 19, 2017
Last updated in NPPES Dec 19, 2017

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 76503 (CA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Ting-Ju Chang?
The National Provider Identifier (NPI) for Ting-Ju Chang is 1558877126, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ting-Ju Chang practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-12-19.