SIMA FIROUZBAKHSH MD
NPI 1548331580
Anesthesiology in Riverside, CA
About Sima Firouzbakhsh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIMA FIROUZBAKHSH MD (NPI 1548331580) is an individual anesthesiology provider in Riverside, California, licensed in California (G66572) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1988).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sima Firouzbakhsh Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Sima Firouzbakhsh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverside, CA 92505
- Reassigned Medicare billing, California enrollment
- 5,228 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.
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.
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
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 Sima Firouzbakhsh's NPI number?
The NPI number for Sima Firouzbakhsh is 1548331580. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is Sima Firouzbakhsh located?
Sima Firouzbakhsh practices at 10800 Magnolia Ave, Riverside, CA 92505. The listed phone number is (909) 353-2000.
What is Sima Firouzbakhsh's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sima Firouzbakhsh enrolled in Medicare?
Yes. Sima Firouzbakhsh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Sima Firouzbakhsh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sima Firouzbakhsh reassigns Medicare benefits to Southern California Permanente Medical Group (Riverside, 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 Sima Firouzbakhsh'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 Sima Firouzbakhsh was last updated on December 2, 2021. 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.
# Sima Firouzbakhsh, MD · NPI 1548331580
Anesthesiology physician in Riverside, California. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1548331580 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G66572 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10800 MAGNOLIA AVE, Riverside, CA 92505-3043
- **Phone:** (909) 353-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1316979834, Riverside, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 1988
## Record status
- **NPPES last updated:** December 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1548331580) · Data from the CMS NPPES public registry.