Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANTHONY CHANG MD
NPI 1134823958
Family Medicine in Santa Ana, CA

Q: What is Anthony Chang's NPI number?

The NPI number for Anthony Chang is 1134823958. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Q: What is Anthony Chang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Anthony Chang was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.

Active since March 27, 2023PECOS Enrolled

1212 W 17TH ST, SANTA ANA, CA 92706(714) 954-0432(714) 796-6265 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 31, 2026, Apr 7, 2026, May 25, 2025 and 2 more (5 updates tracked since 2023).

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About Anthony Chang Md NPPES

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

ANTHONY CHANG MD (NPI 1134823958) is an individual family medicine provider in Santa Ana, California, licensed in California (199905) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1134823958

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameANTHONY CHANGCredential: MD

Location Address1212 W 17TH STSanta Ana, CA 92706-3418

Mailing Address1212 W 17th StSanta Ana, CA 92706-3418 · (714) 954-0432 · Fax (714) 796-6265

Phone(714) 954-0432

Fax(714) 796-6265

Sole ProprietorNo

Enumeration DateMarch 27, 2023

Last NPPES UpdateJuly 31, 20265 updates tracked since enumeration

NPPES CertifiedJuly 31, 2026

✔ NPI 1134823958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · 199905

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1212 W 17TH ST, Santa Ana, CA 92706

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Anthony Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

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

DR. RONALD JOSEPH ORTIZ M.D.

Family Medicine