1. Home
  2. Directory
  3. Arizona
  4. Peoria
  5. Emergency Medicine
  6. NPI Profile

303 EMERGENCY PHYSICIANS PLLC
NPI 1275402828
Emergency Medicine in Peoria, AZ

Active since November 03, 2025
25550 N LAKE PLEASANT PKWY, PEORIA, AZ 85383(954) 939-5000(877) 250-6889 Get Directions Write a Review

NPPES record last updated: November 3, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About 303 Emergency Physicians Pllc NPPES

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

303 EMERGENCY PHYSICIANS PLLC (NPI 1275402828) is a healthcare organization registered as an emergency medicine in Peoria, Arizona and active in the NPI registry since November 2025. The organization lists Mark Jeffrey Slepin, Owner, as its authorized official.

NPPES Registry Identity

NPI1275402828
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business Name303 EMERGENCY PHYSICIANS PLLC
Location Address25550 N LAKE PLEASANT PKWYPeoria, AZ 85383-1364
Mailing AddressPo Box 98802Las Vegas, NV 89193-8802 · (954) 939-5000 · Fax (877) 250-6889
Phone(954) 939-5000
Fax(877) 250-6889
Organization SubpartNo
Authorized OfficialMark Jeffrey SlepinOwner · (727) 692-1518
Enumeration DateNovember 3, 2025
NPPES CertifiedNovember 3, 2025
✔ NPI 1275402828 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
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.
25550 N LAKE PLEASANT PKWY, Peoria, AZ 85383
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

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

ALYSSA GINGRAS RN
Registered Nurse (Emergency)
25550 N LAKE PLEASANT PKWY
PEORIA, AZ 85383
Maricopa County (623) 683-7050
HONORHEALTH
Clinic/Center (Emergency Care)
25550 N LAKE PLEASANT PKWY
PEORIA, AZ 85383
Maricopa County (480) 534-4530

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 303 Emergency Physicians PLLC's NPI number?

The NPI number for 303 Emergency Physicians PLLC is 1275402828. It was assigned to this organization in the NPPES registry on November 3, 2025.

Where is 303 Emergency Physicians PLLC located?

303 Emergency Physicians PLLC is located at 25550 N Lake Pleasant Pkwy, Peoria, AZ 85383. The listed phone number is (954) 939-5000.

What is 303 Emergency Physicians PLLC's specialty?

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

When was this NPI record last updated?

The NPPES record for 303 Emergency Physicians PLLC was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.