RIVERSIDE EMERGENCY PHYSICIANS MEDICAL GROUP
NPI 1972539039
Emergency Medicine in Riverside, CA

Q: What is Riverside Emergency Physicians Medical Group's specialty?

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

Active since June 23, 2006

3865 JACKSON ST, RIVERSIDE, CA 92503(951) 898-0823(405) 751-3183 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Nov 18, 2020, Dec 7, 2015 (3 updates tracked since 2015).

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About Riverside Emergency Physicians Medical Group NPPES

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

RIVERSIDE EMERGENCY PHYSICIANS MEDICAL GROUP (NPI 1972539039) is a healthcare organization registered as an emergency medicine in Riverside, California and active in the NPI registry since June 2006. The organization lists Chad L. Clark, Managing Partner, as its authorized official.

NPPES Registry Identity

NPI1972539039

Entity TypeOrganization

Primary Taxonomy207P00000X

Legal Business NameRIVERSIDE EMERGENCY PHYSICIANS MEDICAL GROUP

Location Address3865 JACKSON STRiverside, CA 92503-3919

Mailing Address4401 W Memorial Rd, Suite 121Oklahoma City, OK 73134-1785 · (800) 749-4560 · Fax (405) 755-5283

Phone(951) 898-0823

Fax(405) 751-3183

Organization SubpartNo

Authorized OfficialChad L. ClarkManaging Partner · (626) 447-0296

Enumeration DateJune 23, 2006

Last NPPES UpdateJune 11, 20263 updates tracked since enumeration

NPPES CertifiedJune 11, 2026

✔ NPI 1972539039 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.

3865 JACKSON ST, Riverside, CA 92503

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Other Names 1

Doing Business AsRiverside Emergency Physicians Medical Group

Other Identifiers 1

MedicaidGR0094070CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riverside Emergency Physicians Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 48 clinicians reassign Medicare billing to Riverside Emergency Physicians Medical Group, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Emergency Medicine36

Nurse Practitioner8

Family Practice2

Hospitalist1

Orthopedic Surgery1

Nearest to this location (20)

See all 48

Gerald Ngo, MD

Emergency Medicine

NPI 1134821838