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PEGGY TSENG MD
NPI 1740686856
Emergency Medicine in Los Angeles, CA

Active since November 17, 2014PECOS Enrolled
1200 N STATE ST RM 1011, LAC USC MEDICAL CENTER, LOS ANGELES, CA 90033(323) 226-2828(323) 226-8101 Get Directions Write a Review

NPPES record last updated: February 13, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Peggy Tseng Md NPPES

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

PEGGY TSENG MD (NPI 1740686856) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A133151) and active in the NPI registry since November 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740686856
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NamePEGGY TSENGCredential: MD
Location Address1200 N STATE ST RM 1011, LAC USC MEDICAL CENTERLos Angeles, CA 90033-1029
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (626) 457-6601
Phone(323) 226-2828
Fax(323) 226-8101
Sole ProprietorNo
Enumeration DateNovember 17, 2014
Last NPPES UpdateFebruary 13, 2024
NPPES CertifiedFebruary 13, 2024
✔ NPI 1740686856 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A133151
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.
1200 N STATE ST RM 1011, Los Angeles, CA 90033
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Peggy Tseng Md 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.

Areas of Expertise CMS Part B claims 3

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.
146 services144 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.
51 services51 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.
37 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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 13

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

DR. MARIA VICTORIA CONTI
Emergency Medicine
1200 N STATE ST RM 1011
LOS ANGELES, CA 90033
Los Angeles County (323) 481-4872
MICHELLE VIJVERBERG WOOTEN MD
Emergency Medicine
1200 N STATE ST RM 1011
LOS ANGELES, CA 90033
Los Angeles County (626) 716-6499
LOS ANGELES COUNTY, UNIVERSITY OF SOUTHERN CALIFORNIA HOSPITAL
General Acute Care Hospital
1200 N STATE ST RM 1011
LOS ANGELES, CA 90033
Los Angeles County (323) 226-6667
DR. TAKU TAIRA MD
Emergency Medicine
1200 N STATE ST RM 1011, LAC USC MEDICAL CENTER DEPARTMENT OF EMERGENCY MEDICINE
LOS ANGELES, CA 90033
Los Angeles County (323) 226-2121
MARLOWE ANN MAJOEWSKY MD
Emergency Medicine
1200 N STATE ST RM 1011
LOS ANGELES, CA 90033
Los Angeles County (213) 919-1483
ADAM PAUL ASH M.D.
Emergency Medicine
1200 N STATE ST RM 1011
LOS ANGELES, CA 90033
Los Angeles County (323) 226-6667
NICHOLAS MATHEW OROZCO
Emergency Medicine
1200 N STATE ST RM 1011
LOS ANGELES, CA 90033
Los Angeles County (323) 226-6937
SOCRATES SUSIM M.D.
Emergency Medicine
1200 N STATE ST RM 1011
LOS ANGELES, CA 90033
Los Angeles County (323) 226-6667

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 Peggy Tseng's NPI number?

The NPI number for Peggy Tseng is 1740686856. It was assigned to this individual provider in the NPPES registry on November 17, 2014.

Where is Peggy Tseng located?

Peggy Tseng practices at 1200 N State St Rm 1011 Lac Usc Medical Center, Los Angeles, CA 90033. The listed phone number is (323) 226-2828.

What is Peggy Tseng's specialty?

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

Is Peggy Tseng enrolled in Medicare?

Yes. Peggy Tseng is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Peggy Tseng was last updated on February 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.