DEAN T. CHANG MD
NPI 1306917380
Obstetrics & Gynecology in Bellflower, CA

Active since November 13, 2006PECOS EnrolledAccepts Medicare Assignment
9400 ROSECRANS AVE, BELLFLOWER, CA 90706(562) 461-3000 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dean T. Chang Md NPPES

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

DEAN T. CHANG MD (NPI 1306917380) is an individual obstetrics & gynecology provider in Bellflower, California, licensed in California (A60859) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At San Antonio (1995).

NPPES Registry Identity

NPI1306917380
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDEAN T. CHANGCredential: MD
Location Address9400 ROSECRANS AVEBellflower, CA 90706-2246
Mailing Address9400 Rosecrans AveBellflower, CA 90706-2246 · (562) 461-3000
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1995
Enumeration DateNovember 13, 2006
Last NPPES UpdateDecember 1, 2021
✔ NPI 1306917380 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 · A60859
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.
9400 ROSECRANS AVE, Bellflower, CA 90706

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dean T. Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991711061
PECOS Enrollment IDI20110214000212
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 Dean Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1396287082 (California)
  • 13,921 clinicians in this Medicare group
Community/Behavioral Health
2813 S MAIN ST FL 2
Corona, CA 92882
  • Reassigned Medicare billing, California enrollment
  • 336 clinicians in this Medicare group

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 90706 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Services, supplies and accessories used in the home under the medicare intravenous immune globulin (ivig) demonstration Q2052
Treatment-Chemotherapy · category RH012N
1 supplier13 claims13 services$309.69 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Pharmacist
9400 ROSECRANS AVE
BELLFLOWER, CA 90706
Specialist
9400 ROSECRANS AVE
BELLFLOWER, CA 90706
Otolaryngology (Plastic Surgery within the Head & Neck)
9400 ROSECRANS AVE
BELLFLOWER, CA 90706
Internal Medicine
9400 ROSECRANS AVE
BELLFLOWER, CA 90706
Optometrist
9400 ROSECRANS AVE
BELLFLOWER, CA 90706
Podiatrist (Foot & Ankle Surgery)
9400 ROSECRANS AVE
BELLFLOWER, CA 90706
Surgery (Vascular Surgery)
9400 ROSECRANS AVE
BELLFLOWER, CA 90706
Neuromusculoskeletal Medicine & OMM
9400 ROSECRANS AVE
BELLFLOWER, CA 90706

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 Dean Chang's NPI number?

The NPI number for Dean Chang is 1306917380. It was assigned to this individual provider in the NPPES registry on November 13, 2006.

Where is Dean Chang located?

Dean Chang practices at 9400 Rosecrans Ave, Bellflower, CA 90706. The listed phone number is (562) 461-3000.

What is Dean Chang's specialty?

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

Is Dean Chang enrolled in Medicare?

Yes. Dean Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Dean Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dean Chang reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Bellflower, CA) and County Of Riverside (Corona, 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 Dean 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 Dean Chang was last updated on December 1, 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.