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DR. FRANCIS CHANG M.D.
NPI 1215128087
Obstetrics & Gynecology in Irvine, CA

Active since August 07, 2007PECOS Enrolled
3500 BARRANCA PKWY STE 230, IRVINE, CA 92606(949) 753-7999(949) 783-5904 Get Directions Write a Review

NPPES record last updated: February 4, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 4, 2020, Dec 27, 2016 (2 updates tracked since 2016).

About Dr. Francis Chang M.d. NPPES

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

DR. FRANCIS CHANG M.D. (NPI 1215128087) is an individual obstetrics & gynecology provider in Irvine, California, licensed in California (A108404) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215128087
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. FRANCIS CHANGCredential: M.D.
Location Address3500 BARRANCA PKWY STE 230Irvine, CA 92606-8231
Mailing Address3860 Country Club DrLong Beach, CA 90807-3103 · (949) 753-7999 · Fax (949) 784-5904
Phone(949) 753-7999
Fax(949) 783-5904
Sole ProprietorYes
Enumeration DateAugust 7, 2007
Last NPPES UpdateFebruary 4, 20202 updates tracked since enumeration
✔ NPI 1215128087 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A108404
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3500 BARRANCA PKWY STE 230, Irvine, CA 92606
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Francis Chang M.d. 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Francis Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Magella Medical Group, Inc.
23 mi
Maternal & Fetal Medicine
2888 LONG BEACH BLVD STE 400
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 191 clinicians in this Medicare group
NPI 1376640086 (562) 997-8510
Obstetrix Medical Group Of California, A Professional Corporation
340 mi
Maternal & Fetal Medicine
900 E. HAMILTON AVE, SUITE 200
Campbell, CA 95008
  • Reassigned Medicare billing, California enrollment
  • 59 clinicians in this Medicare group
NPI 1629175336 (800) 463-6628

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92606 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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

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

DR. JAMES T YANG MD
Obstetrics & Gynecology
3500 BARRANCA PKWY STE 230
IRVINE, CA 92606
Orange County (949) 753-7999

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 Francis Chang's NPI number?

The NPI number for Francis Chang is 1215128087. It was assigned to this individual provider in the NPPES registry on August 7, 2007.

Where is Francis Chang located?

Francis Chang practices at 3500 Barranca Pkwy Ste 230, Irvine, CA 92606. The listed phone number is (949) 753-7999.

What is Francis Chang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Francis Chang enrolled in Medicare?

Yes. Francis Chang is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Francis Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Francis Chang reassigns Medicare benefits to 2 organizations: Magella Medical Group, Inc. (Long Beach, CA) and Obstetrix Medical Group Of California, A Professional Corporation (Campbell, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Francis Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Francis Chang was last updated on February 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.