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PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA
NPI 1689875601
Emergency Medicine in Mission Hills, CA

Active since May 29, 2007
3/5
Overall Rating
15031 RINALDI STREET, MISSION HILLS, CA 91345(818) 365-8051(818) 898-4569 Get Directions Write a Review

NPPES record last updated: May 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 9, 2025, Oct 6, 2021 (2 updates tracked since 2021).

About Providence Health System - Southern California NPPES

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

PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA (NPI 1689875601), doing business as Providence Holy Cross Trauma Center, is a healthcare organization registered as an emergency medicine in Mission Hills, California and active in the NPI registry since May 2007. The organization lists Donald W Anderson, Assistant Secretary Enrollments, as its authorized official.

NPPES Registry Identity

NPI1689875601
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NamePROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA
Location Address15031 RINALDI STREETMission Hills, CA 91345-1207
Mailing Address15031 Rinaldi StreetMission Hills, CA 91345-1207 · (818) 365-8051 · Fax (818) 898-4569
Phone(818) 365-8051
Fax(818) 898-4569
Organization SubpartYes
Authorized OfficialDonald W AndersonAssistant Secretary Enrollments · (425) 358-9786
Enumeration DateMay 29, 2007
Last NPPES UpdateMay 9, 20252 updates tracked since enumeration
NPPES CertifiedMay 9, 2025
✔ NPI 1689875601 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.
15031 RINALDI STREET, Mission Hills, CA 91345
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Other Names 1

Doing Business AsProvidence Holy Cross Trauma Center

Other Identifiers 1

MedicaidGR0101520CA

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 MULTIPLE 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)

Providence Health System - Southern California is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Providence Health System - Southern California, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Boris Borazjani, M.D.,M.P.H.
General Surgery
NPI 1730356353
11550 INDIAN HILLS RD STE 310
Mission Hills, CA 91345
(818) 898-4900
✔ PECOS✔ Accepts Medicare0.1 mi
Bradley Roth, MD
General Surgery
NPI 1699709048
11550 INDIAN HILLS ROAD, SUITE 310
Mission Hills, CA 91345
(818) 898-4900
✔ PECOS✔ Accepts Medicare0.1 mi
Quynh Quach, D.O.
Anesthesiology
NPI 1023046422
501 S BUENA VISTA ST
Burbank, CA 91505
(818) 843-5111
✔ PECOS✔ Accepts Medicare11 mi
Oleg Vosicher, M.D.
Anesthesiology
NPI 1437256021
101 S 1ST ST SUITE 1000
Burbank, CA 91502
(818) 847-6262
✔ PECOS✔ Accepts Medicare11 mi
Stephen Hillman, M.D.
Anesthesiology
NPI 1831112036
501 S BUENA VISTA ST
Burbank, CA 91505
(818) 843-5111
✔ PECOS✔ Accepts Medicare11 mi
Hasmik Sarkissian, M.D.
Anesthesiology
NPI 1699796888
501 S BUENA VISTA ST
Burbank, CA 91505
(818) 843-5111
✔ PECOS✔ Accepts Medicare11 mi

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

Nursing Home Quality Ratings CMS Care Compare

Quality ratings, staffing and inspection history for Providence Holy Cross Med Ctr D/P Snf (CMS certification number 555074), from CMS Care Compare.

Providence Holy Cross Med Ctr D/P Snf

Nursing home · Mission Hills, CA
3/5 CMS Overall Rating
OwnershipNon profit - Corporation
CMS Certification Number555074
Certified Beds48 beds41 residents per day on average
Medicare & Medicaid Participant SinceOctober 1, 1978
Resident & Family CouncilResident council
Hospital-based Automatic sprinkler system

CMS Star Ratings

Quality Measures
Based on a select set of clinical quality measures.
2/5
Long-Stay Quality
Quality of care delivered to long-term residents.
2/5
Staffing
Based on nursing staff hours relative to resident needs.
5/5
Weighted Health Inspection Score
Lower scores are better; the score summarizes deficiencies found on recent inspections.
122.33
Ratings are assigned by CMS on a one-to-five star scale; five is the highest. Categories without a current CMS rating are not shown.

Staffing & Turnover

Total Nurse Staffing
nurse aide 5.23 · LPN 1.12 · RN 3.95
10.3 hrs per resident per day
Weekend Nurse Staffing
9.31 hrs per resident per day
Physical Therapist Staffing
0 hrs per resident per day
Nursing Staff Turnover
Share of nursing staff who left the facility within the past year.
29.1%
Registered Nurse Turnover
31.6%
Higher staffing hours generally allow more direct care time per resident.

Inspections & Enforcement

Facility-Reported Incidents
3
Substantiated Complaints
8
Fines
2 totaling $12,924.43
Medicare Payment Denials
0
Total Penalties
2
Counts come from CMS inspections and complaint investigations over approximately the past three years. CMS Care Compare data as of October 1, 2024.

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 Providence Health System - Southern California's NPI number?

The NPI number for Providence Health System - Southern California is 1689875601. It was assigned to this organization in the NPPES registry on May 29, 2007. The provider is doing business as Providence Holy Cross Trauma Center.

Where is Providence Health System - Southern California located?

Providence Health System - Southern California is located at 15031 Rinaldi Street, Mission Hills, CA 91345. The listed phone number is (818) 365-8051.

What is Providence Health System - Southern California's specialty?

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

Is Providence Health System - Southern California enrolled in Medicare?

Yes. Providence Health System - Southern California is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Providence Health System - Southern California?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to Providence Health System - Southern California. 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 Anesthesiology (4) and General Surgery (2). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Is Providence Health System - Southern California a Medicare-certified nursing home?

Yes. Providence Holy Cross Med Ctr D/P Snf is a Medicare-certified nursing home with 48 certified beds.

What quality rating does Providence Health System - Southern California have?

CMS rates Providence Holy Cross Med Ctr D/P Snf 3 out of 5 stars overall on Care Compare. The full measure detail is in the Nursing Home Quality Ratings section above.

When was this NPI record last updated?

The NPPES record for Providence Health System - Southern California was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.