DR. STEPHEN CHANG MD
NPI 1043715410
Family Medicine in Tustin, CA

Active since March 28, 2018PECOS EnrolledAccepts Medicare Assignment
1451 IRVINE BLVD, TUSTIN, CA 92780(714) 838-8878 Get Directions Write a Review

NPPES record last updated: November 3, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 3, 2022, Sep 9, 2021, Dec 12, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Stephen Chang Md NPPES

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

DR. STEPHEN CHANG MD (NPI 1043715410) is an individual family medicine provider in Tustin, California, licensed in California (A164576) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Rush Medical College Of Rush University (2013).

NPPES Registry Identity

NPI1043715410
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. STEPHEN CHANGCredential: MD
Location Address1451 IRVINE BLVDTustin, CA 92780-3804
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2013
Enumeration DateMarch 28, 2018
Last NPPES UpdateNovember 3, 20224 updates tracked since enumeration
NPPES CertifiedNovember 3, 2022
NPI 1043715410 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 · A164576
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.
1451 IRVINE BLVD, Tustin, CA 92780

Secondary Practice Location 1

Location 1101 The City Dr S Ste 835Orange, CA 92868-3201 · Phone (714) 456-5530

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen 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 ID9133523137
PECOS Enrollment IDI20210813000162
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.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
386 services209 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
87 services80 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
71 services38 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
38 services38 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
24 services24 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92780 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 20

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

Family Medicine
1451 IRVINE BLVD
TUSTIN, CA 92780
Nurse Practitioner
1451 IRVINE BLVD
TUSTIN, CA 92780
Pediatrics
1451 IRVINE BLVD
TUSTIN, CA 92780
Pediatrics
1451 IRVINE BLVD
TUSTIN, CA 92780
Dermatology
1451 IRVINE BLVD
TUSTIN, CA 92780
Clinic/Center (Medical Specialty)
1451 IRVINE BLVD
TUSTIN, CA 92780
Clinic/Center (Medical Specialty)
1451 IRVINE BLVD
TUSTIN, CA 92780
Clinic/Center (Medical Specialty)
1451 IRVINE BLVD
TUSTIN, CA 92780

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 Stephen Chang's NPI number?

The NPI number for Stephen Chang is 1043715410. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Stephen Chang located?

Stephen Chang practices at 1451 Irvine Blvd, Tustin, CA 92780. The listed phone number is (714) 838-8878.

What is Stephen Chang's specialty?

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

Is Stephen Chang enrolled in Medicare?

Yes. Stephen 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.

When was this NPI record last updated?

The NPPES record for Stephen Chang was last updated on November 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.