DR. MAGDI A SIDHOM M.D.
NPI 1336103142
Anesthesiology in Fountain Valley, CA
About Dr. Magdi A Sidhom M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAGDI A SIDHOM M.D. (NPI 1336103142) is an individual anesthesiology provider in Fountain Valley, California, licensed in California (A47949) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Magdi A Sidhom M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Magdi Sidhom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
- Reassigned Medicare billing, California enrollment
- 420 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
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.
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 Magdi Sidhom's NPI number?
The NPI number for Magdi Sidhom is 1336103142. It was assigned to this individual provider in the NPPES registry on April 17, 2006.
Where is Magdi Sidhom located?
Magdi Sidhom practices at 9920 Talbert Ave, Fountain Valley, CA 92708. The listed phone number is (714) 378-7000.
What is Magdi Sidhom's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Magdi Sidhom enrolled in Medicare?
Yes. Magdi Sidhom is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Magdi Sidhom's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Magdi Sidhom reassigns Medicare benefits to Allied Anesthesia Medical Group Inc (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 Magdi Sidhom'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 Magdi Sidhom was last updated on July 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.