SINA FIROUZI M.D.
NPI 1083707608
Family Medicine in Irvine, CA
About Sina Firouzi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SINA FIROUZI M.D. (NPI 1083707608) is an individual family medicine provider in Irvine, California, licensed in California (A89169) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Laguna Niguel.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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)
Sina Firouzi M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Sina Firouzi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- 684 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 529 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 2
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 92618 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92618
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 Sina Firouzi's NPI number?
The NPI number for Sina Firouzi is 1083707608. It was assigned to this individual provider in the NPPES registry on October 2, 2006.
Where is Sina Firouzi located?
Sina Firouzi practices at 801 Spectrum Center Dr, Irvine, CA 92618. The listed phone number is (949) 899-8309.
What is Sina Firouzi's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Sina Firouzi enrolled in Medicare?
Yes. Sina Firouzi is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sina Firouzi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sina Firouzi reassigns Medicare benefits to 2 organizations: Providence Facey Medical Foundation (Irvine, CA) and Hoag Clinic (Newport Beach, CA). Each 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 Sina Firouzi'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 Sina Firouzi was last updated on May 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.