DR. EILEEN YUAN CHANG
NPI 1376746644
Emergency Medicine in Torrance, CA

Q: What is Eileen Chang's NPI number?

The NPI number for Eileen Chang is 1376746644. It was assigned to this individual provider in the NPPES registry on June 6, 2007.

Q: What is Eileen Chang's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Eileen Chang was last updated on August 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since June 06, 2007PECOS EnrolledAccepts Medicare Assignment

4101 TORRANCE BLVD, EM DEPT, TORRANCE, CA 90503(310) 540-7676 Get Directions Write a Review

NPPES record last updated: August 6, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Eileen Yuan Chang NPPES

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

DR. EILEEN YUAN CHANG (NPI 1376746644) is an individual emergency medicine provider in Torrance, California, licensed in California (A111171) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2005).

NPPES Registry Identity

NPI1376746644

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. EILEEN YUAN CHANG

Location Address4101 TORRANCE BLVD, EM DEPTTorrance, CA 90503-4607

Mailing Address4401 W Memorial Rd Ste 121Oklahoma City, OK 73134-1722 · (405) 751-4664

Phone(310) 540-7676

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2005

Enumeration DateJune 6, 2007

Last NPPES UpdateAugust 6, 2015

✔ NPI 1376746644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in CA · A111171✔ Licensed in MA · 224652

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

4101 TORRANCE BLVD, Torrance, CA 90503

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Other Identifiers 1

Medicare PINDH398YCA

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. Eileen Yuan Chang 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 ID1759434749

PECOS Enrollment IDI20100730000897

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 4

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

226 services223 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

72 services72 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.

66 services66 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

57 services55 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90503 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.

PROVIDENCE LITTLE COMPANY OF MARY MEDICAL CENTER TORRANCE

General Acute Care Hospital