1. Home
  2. Directory
  3. California
  4. Pasadena
  5. Obstetrics Gynecology
  6. NPI Profile

DR. JENNIE J CHANG M.D.
NPI 1982668422
Obstetrics & Gynecology in Pasadena, CA

Active since April 13, 2006PECOS Enrolled
625 S FAIR OAKS AVE, SUITE 255, PASADENA, CA 91105(626) 304-2626 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jennie J Chang M.d. NPPES

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

DR. JENNIE J CHANG M.D. (NPI 1982668422) is an individual obstetrics & gynecology provider in Pasadena, California, licensed in California (A85586) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982668422
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. JENNIE J CHANGCredential: M.D.
Location Address625 S FAIR OAKS AVE, SUITE 255Pasadena, CA 91105-2613
Mailing Address625 S Fair Oaks Ave, Suite 255 South LobbyPasadena, CA 91105-2613 · (626) 304-2626 · Fax (626) 585-0695
Phone(626) 304-2626
Sole ProprietorNo
Enumeration DateApril 13, 2006
Last NPPES UpdateNovember 29, 2021
✔ NPI 1982668422 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 · A85586
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.
625 S FAIR OAKS AVE, Pasadena, CA 91105
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jennie J 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 Reassignment

Medicare enrollment records show Jennie Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
4.2 mi
Health Maintenance Organization
2626 COLORADO BLVD
Los Angeles, CA 90041
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1013409044 (877) 608-0044

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 91105 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 20

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

ARTIN NAZARIAN MD A PROFESSIONAL CORPORATION
Internal Medicine
625 S FAIR OAKS AVE, 215
PASADENA, CA 91105
Los Angeles County (626) 344-0039
CHANNARA TEP
Behavior Analyst
625 S FAIR OAKS AVE, SUITE 200
PASADENA, CA 91105
Los Angeles County (323) 341-5580
SARA Y GASPARD M.D.
Dermatology
625 S FAIR OAKS AVE, #200
PASADENA, CA 91105
Los Angeles County (626) 793-7790
P & K PHARMACY, INC.
Pharmacist
625 S FAIR OAKS AVE, SUITE 125
PASADENA, CA 91105
Los Angeles County (626) 795-5956
SHUMIN ZHEN NP
Nurse Practitioner (Acute Care)
625 S FAIR OAKS AVE, SUITE 215
PASADENA, CA 91105
Los Angeles County (626) 793-2885
DR. MARTA L. MORA M.D.
Ophthalmology
625 S FAIR OAKS AVE, SUITE 235
PASADENA, CA 91105
Los Angeles County (626) 796-7006
DR. MAYER RASHTIAN M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
625 S FAIR OAKS AVE, SUITE 215
PASADENA, CA 91105
Los Angeles County (626) 793-4139
MISS JAEYOON UM
Rehabilitation Practitioner
625 S FAIR OAKS AVE, STE 300
PASADENA, CA 91105
Los Angeles County (626) 395-7100

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 Jennie Chang's NPI number?

The NPI number for Jennie Chang is 1982668422. It was assigned to this individual provider in the NPPES registry on April 13, 2006.

Where is Jennie Chang located?

Jennie Chang practices at 625 S Fair Oaks Ave Suite 255, Pasadena, CA 91105. The listed phone number is (626) 304-2626.

What is Jennie Chang's specialty?

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

Is Jennie Chang enrolled in Medicare?

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

Which organization bills Medicare for Jennie Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennie Chang reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, CA). The 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 Jennie 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 Jennie Chang was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.