SAMUEL YEJIN CHANG
NPI 1689446825
Physician Assistant in Vallejo, CA
About Samuel Yejin Chang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL YEJIN CHANG (NPI 1689446825) is an individual physician assistant in Vallejo, California, licensed in California (PA68670) and active in the NPI registry since October 2023. He maintains a secondary practice location in San Francisco.
NPPES Registry Identity
Specialties & Licenses
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Secondary Practice Location 1
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Samuel Chang's NPI number?
The NPI number for Samuel Chang is 1689446825. It was assigned to this individual provider in the NPPES registry on October 23, 2023.
Where is Samuel Chang located?
Samuel Chang practices at 1310 Club Dr, Vallejo, CA 94592. The listed phone number is (707) 638-5809.
What is Samuel Chang's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
When was this NPI record last updated?
The NPPES record for Samuel Chang was last updated on July 15, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
