LEROY SIMS M.D., M.SC.
NPI 1225236904
Emergency Medicine in Santa Monica, CA

Q: What is Leroy Sims's NPI number?

The NPI number for Leroy Sims is 1225236904. It was assigned to this individual provider in the NPPES registry on July 5, 2007.

Q: What is Leroy Sims'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 Leroy Sims was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since July 05, 2007PECOS Enrolled

1250 16TH ST STE 2100, SANTA MONICA, CA 90404(424) 259-6593 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Leroy Sims M.d., M.sc. NPPES

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

LEROY SIMS M.D., M.SC. (NPI 1225236904) is an individual emergency medicine provider in Santa Monica, California, licensed in California (A105514) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Burlingame.

NPPES Registry Identity

NPI1225236904

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameLEROY SIMSCredential: M.D., M.SC.

Location Address1250 16TH ST STE 2100Santa Monica, CA 90404-1249

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631

Phone(424) 259-6593

Sole ProprietorNo

Enumeration DateJuly 5, 2007

Last NPPES UpdateJuly 15, 2026

NPPES CertifiedJuly 15, 2026

✔ NPI 1225236904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A105514

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.

Also ListedEmergency Medicine · Sports MedicineTaxonomy 207PS0010X · License A105514 (CA)

1250 16TH ST STE 2100, Santa Monica, CA 90404

Open in Google Maps ↗

Secondary Practice Location 1

Location 11501 Trousdale Dr, Mills-Peninsula Medical Center, Emergency DepartmentBurlingame, CA 94010-4506 · Phone (650) 696-5446

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leroy Sims M.d., M.sc. 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.

Medicare Billing Reassignment

Medicare enrollment records show Leroy Sims reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California

3.1 mi

Orthopedic

1000 VETERAN AVE, ROOM 22-64
Los Angeles, CA 90095

Reassigned Medicare billing, California enrollment
78 clinicians in this Medicare group

NPI 1679918395 (310) 825-5858

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 90404 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 9

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

DR. SOROUSH BAGHDADI MD

Orthopaedic Surgery