DR. OREN N HIRSCH MD
NPI 1871585349
Emergency Medicine in Tarzana, CA
About Dr. Oren N Hirsch Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OREN N HIRSCH MD (NPI 1871585349) is an individual emergency medicine provider in Tarzana, California, licensed in California (A94112) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Oren N Hirsch Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Oren Hirsch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tarzana, CA 91356
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91356 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Oren Hirsch's NPI number?
The NPI number for Oren Hirsch is 1871585349. It was assigned to this individual provider in the NPPES registry on August 19, 2005.
Where is Oren Hirsch located?
Oren Hirsch practices at 18321 Clark St, Tarzana, CA 91356. The listed phone number is (818) 245-8239.
What is Oren Hirsch's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Oren Hirsch enrolled in Medicare?
Yes. Oren Hirsch is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Oren Hirsch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oren Hirsch reassigns Medicare benefits to Tarzana Emergency Medical Associates (Tarzana, CA). The 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 Oren Hirsch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Oren Hirsch was last updated on September 28, 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.