1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Emergency Medicine
  6. NPI Profile

DR. SEAN EMERSON TREACY MD
NPI 1003495763
Emergency Medicine in Los Angeles, CA

Active since April 07, 2021PECOS Enrolled
757 WESTWOOD PLZ STE 1517, LOS ANGELES, CA 90095(310) 825-2111 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 5, 2025, Aug 5, 2025, Jun 26, 2025 and 2 more (5 updates tracked since 2021).

About Dr. Sean Emerson Treacy Md NPPES

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

DR. SEAN EMERSON TREACY MD (NPI 1003495763) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A192958) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1003495763
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. SEAN EMERSON TREACYCredential: MD
Location Address757 WESTWOOD PLZ STE 1517Los Angeles, CA 90095-1807
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(310) 825-2111
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 7, 2021
Last NPPES UpdateSeptember 5, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2025
✔ NPI 1003495763 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 · A192958
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.
757 WESTWOOD PLZ STE 1517, Los Angeles, CA 90095
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sean Emerson Treacy Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820507247
PECOS Enrollment IDI20251027002967
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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.

DR. JESUS RICARDO TORRES MD, MPH
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 794-0599
DEREK WILLIAM ALTEMA
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9111
DR. BENJAMIN DAVID EASTER M.D.
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9111
DR. CATHERINE MARIE WEAVER M.D.
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 825-2111
NEIL ANJON RAY MD
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 825-2111
ANNETTE MARIA DEKKER
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9111
DR. BRETT DAVID GOODFRIEND MD
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9111
JONATHAN STEPHEN WARREN
Emergency Medicine
757 WESTWOOD PLZ STE 1517
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9111

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 Sean Treacy's NPI number?

The NPI number for Sean Treacy is 1003495763. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is Sean Treacy located?

Sean Treacy practices at 757 Westwood Plz Ste 1517, Los Angeles, CA 90095. The listed phone number is (310) 825-2111.

What is Sean Treacy's specialty?

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

Is Sean Treacy enrolled in Medicare?

Yes. Sean Treacy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sean Treacy was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.