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JONATHAN YOUNGFAN CHAO PA-C
NPI 1225711781
Physician Assistant in Chino, CA

Active since August 10, 2023
12611 9TH ST STE B, CHINO, CA 91710(909) 902-0009 Get Directions Write a Review

NPPES record last updated: February 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jonathan Youngfan Chao Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JONATHAN YOUNGFAN CHAO PA-C (NPI 1225711781) is an individual physician assistant in Chino, California, licensed in California (PA67552) and active in the NPI registry since August 2023.

NPPES Registry Identity

NPI1225711781
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameJONATHAN YOUNGFAN CHAOCredential: PA-C
Location Address12611 9TH ST STE BChino, CA 91710-3528
Mailing Address1156 S Muirfield RdLos Angeles, CA 90019-1826 · (323) 381-8141
Phone(909) 902-0009
Sole ProprietorYes
Enumeration DateAugust 10, 2023
Last NPPES UpdateFebruary 25, 2026
NPPES CertifiedFebruary 25, 2026
✔ NPI 1225711781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA67552
Definition
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.
12611 9TH ST STE B, Chino, CA 91710
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. FELIX VICTOR CHEN MD
Urology
12611 9TH ST STE B
CHINO, CA 91710
San Bernardino County (909) 902-0009

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 Jonathan Chao's NPI number?

The NPI number for Jonathan Chao is 1225711781. It was assigned to this individual provider in the NPPES registry on August 10, 2023.

Where is Jonathan Chao located?

Jonathan Chao practices at 12611 9th St Ste B, Chino, CA 91710. The listed phone number is (909) 902-0009.

What is Jonathan Chao'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 Jonathan Chao was last updated on February 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.