RIDGELINE EMERGENCY PHYSICIANS MEDICAL GROUP, INC.
NPI 1972953230
Emergency Medicine in Northridge, CA

Q: What is Ridgeline Emergency Physicians Medical Group, Inc.'s specialty?

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

Active since June 17, 2016

18300 ROSCOE BLVD, NORTHRIDGE, CA 91325(330) 493-4443(330) 493-8677 Get Directions Write a Review

NPPES record last updated: March 29, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 24, 2021, Mar 27, 2017, Jun 17, 2016 (3 updates tracked since 2016).

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About Ridgeline Emergency Physicians Medical Group, Inc. NPPES

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

RIDGELINE EMERGENCY PHYSICIANS MEDICAL GROUP, INC. (NPI 1972953230) is a healthcare organization registered as an emergency medicine in Northridge, California and active in the NPI registry since June 2016. The organization lists Steven P. Maron, President, as its authorized official.

NPPES Registry Identity

NPI1972953230

Entity TypeOrganization

Primary Taxonomy207P00000X

Legal Business NameRIDGELINE EMERGENCY PHYSICIANS MEDICAL GROUP, INC.

Location Address18300 ROSCOE BLVDNorthridge, CA 91325-4105

Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545 · (330) 493-4443 · Fax (330) 493-8677

Phone(330) 493-4443

Fax(330) 493-8677

Organization SubpartNo

Authorized OfficialSteven P. MaronPresident · (925) 225-5837

Enumeration DateJune 17, 2016

Last NPPES UpdateMarch 29, 20223 updates tracked since enumeration

NPPES CertifiedMarch 29, 2022

✔ NPI 1972953230 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.

18300 ROSCOE BLVD, Northridge, CA 91325

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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)

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

Clinicians Billing Medicare Through This Organization

137

Medicare enrollment records show 137 clinicians reassign Medicare billing to Ridgeline Emergency Physicians Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 14 practice at this address and 25 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Emergency Medicine119

Nurse Practitioner18

Nearest to this location (20)

See all 137

Patricia Gillis, MD

Emergency Medicine

NPI 1922058288

18300 ROSCOE BLVD
Northridge, CA 91328

(818) 885-8500

✔ PECOS✔ Accepts MedicareSame address

Stephen Jones

Emergency Medicine

NPI 1699732008

18300 ROSCOE BLVD
Northridge, CA 91328

(818) 885-8500

✔ PECOSSame address

Daniel Kijner, MD

Emergency Medicine

NPI 1417913518

18300 ROSCOE BLVD
Northridge, CA 91328

(818) 885-8500

✔ PECOSSame address

Judi Ann Meindl, MD

Emergency Medicine

NPI 1649210451

18300 ROSCOE BLVD
Northridge, CA 91328

(818) 885-8500

✔ PECOS✔ Accepts MedicareSame address

Alfred Pascual, DO

Emergency Medicine

NPI 1336106665

18300 ROSCOE BLVD
Northridge, CA 91328

(818) 885-8500

✔ PECOS✔ Accepts MedicareSame address

Joseph Sachs, MD

Emergency Medicine

NPI 1861450223

18300 ROSCOE BLVD
Northridge, CA 91328

(818) 885-8500

✔ PECOSSame address

Jasvinder Bawa, MD

Emergency Medicine

NPI 1417061797

18300 ROSCOE BLVD
Northridge, CA 91325

(818) 885-8500

✔ PECOSSame address

Carla Mae Cuisia-Zimmer, MSN FNP

Nurse Practitioner

NPI 1144572025

18300 ROSCOE BLVD
Northridge, CA 91325

(818) 885-5396

✔ PECOS✔ Accepts MedicareSame address

Dan Im, MD

Emergency Medicine

NPI 1326565565

18300 ROSCOE BLVD
Northridge, CA 91325

(818) 885-8500

✔ PECOSSame address

Brittany Trompetto, MD

Emergency Medicine

NPI 1609516020

18300 ROSCOE BLVD
Northridge, CA 91325

(818) 885-8500

✔ PECOS✔ Accepts MedicareSame address

Veronica Zepeda, FNP

Nurse Practitioner

NPI 1083419501

18300 ROSCOE BLVD
Northridge, CA 91325

(818) 885-8500

✔ PECOS✔ Accepts MedicareSame address

Gabriel Campion, MD

Emergency Medicine

NPI 1275068033

18300 ROSCOE BLVD
Northridge, CA 91325

(818) 885-8500

✔ PECOSSame address

Anastasia Kendrick-Adey, MD

Emergency Medicine

NPI 1902291404

18300 ROSCOE BLVD
Northridge, CA 91325

(818) 855-8500

✔ PECOS✔ Accepts MedicareSame address

Mary Ann Trephan, MD

Emergency Medicine

NPI 1891752614

18300 ROSCOE BLVD
Northridge, CA 91328

(818) 885-8500

✔ PECOS✔ Accepts MedicareSame address

Jacklyn Ngo, ACNP

Nurse Practitioner

NPI 1952852600

16420 HALSTED ST
North Hills, CA 91343

(818) 271-7262

✔ PECOS✔ Accepts Medicare2.9 mi

Nicholas Macaluso, MD

Emergency Medicine

NPI 1275114951

18321 CLARK ST
Tarzana, CA 91356

(818) 708-5172

✔ PECOS✔ Accepts Medicare3.5 mi

David Zohrabian, M.D.

Emergency Medicine

NPI 1083865810

15107 VANOWEN ST
Van Nuys, CA 91405

(818) 902-5772

✔ PECOS✔ Accepts Medicare4.4 mi

Luis Origel

Nurse Practitioner

NPI 1447672696

10200 SEPULVEDA BLVD STE 140
Mission Hills, CA 91345

(661) 289-1154

✔ PECOS✔ Accepts Medicare4.4 mi

Romik Zadorian, MD

Emergency Medicine

NPI 1205970696

16661 VENTURA BLVD STE 108
Encino, CA 91436

(818) 600-4989

✔ PECOS✔ Accepts Medicare4.8 mi

Kyle Ragins, M.D.,M.B.A.

Emergency Medicine

NPI 1649665613

7515 VAN NUYS BLVD OFC 573
Van Nuys, CA 91405

(818) 627-3062

✔ PECOS✔ Accepts Medicare4.9 mi

See all 137 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ridgeline Emergency Physicians Medical Group, Inc.'s NPI number?

The NPI number for Ridgeline Emergency Physicians Medical Group, Inc. is 1972953230. It was assigned to this organization in the NPPES registry on June 17, 2016.

Where is Ridgeline Emergency Physicians Medical Group, Inc. located?

Ridgeline Emergency Physicians Medical Group, Inc. is located at 18300 Roscoe Blvd, Northridge, CA 91325. The listed phone number is (330) 493-4443.

What is Ridgeline Emergency Physicians Medical Group, Inc.'s specialty?

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

Is Ridgeline Emergency Physicians Medical Group, Inc. enrolled in Medicare?

Yes. Ridgeline Emergency Physicians Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ridgeline Emergency Physicians Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 137 clinicians in 2 Medicare specialties reassign their Medicare billing to Ridgeline Emergency Physicians Medical Group, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Emergency Medicine (119) and Nurse Practitioner (18). Of these, 14 practice at this address and 25 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ridgeline Emergency Physicians Medical Group, Inc. was last updated on March 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.