DR. SAMI S ZAMZAM M.D.
NPI 1780621268
Anesthesiology in El Segundo, CA
About Dr. Sami S Zamzam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMI S ZAMZAM M.D. (NPI 1780621268) is an individual anesthesiology provider in El Segundo, California, licensed in California (C196713) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (1998).
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 and accepts Medicare assignment
Dr. Sami S Zamzam M.d. 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 Reassignments
8Medicare enrollment records show Sami Zamzam reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Camarillo, CA 93012
- Reassigned Medicare billing, California enrollment
- 112 clinicians in this Medicare group
Riverside, CA 92506
- Reassigned Medicare billing, California enrollment
- 27 clinicians in this Medicare group
Henderson, NV 89052
- Reassigned Medicare billing, Nevada enrollment
- 26 clinicians in this Medicare group
Henderson, NV 89011
- Reassigned Medicare billing, Nevada enrollment
- 43 clinicians in this Medicare group
Muskegon, MI 49445
- Reassigned Medicare billing, Michigan enrollment
- 2,446 clinicians in this Medicare group
Traverse City, MI 49684
- Reassigned Medicare billing, Michigan enrollment
- 23 clinicians in this Medicare group
Petoskey, MI 49770
- Reassigned Medicare billing, Michigan enrollment
- 19 clinicians in this Medicare group
Alexandria, VA 22306
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 634 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIMedicare 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EL SEGUNDO, CA 90245
EL SEGUNDO, CA 90245
EL SEGUNDO, CA 90245
EL SEGUNDO, CA 90245
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 Sami Zamzam's NPI number?
The NPI number for Sami Zamzam is 1780621268. It was assigned to this individual provider in the NPPES registry on June 1, 2006.
Where is Sami Zamzam located?
Sami Zamzam practices at 898 N Pacific Coast Hwy Ste 600, El Segundo, CA 90245. The listed phone number is (310) 698-5254.
What is Sami Zamzam's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sami Zamzam enrolled in Medicare?
Yes. Sami Zamzam 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 organizations bill Medicare for Sami Zamzam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sami Zamzam reassigns Medicare benefits to 8 organizations: Apa Medical Group, Inc. (Camarillo, CA), Riverside Anesthesia Partners Inc (Riverside, CA), Bell MD PC (Henderson, NV), Mark Bell MD PC (Henderson, NV), Spectrum Health Primary Care Partners (Muskegon, MI) and 3 more organizations, listed in the Medicare section above. 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 Sami Zamzam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sami Zamzam affiliated with any hospitals?
According to CMS data, Sami Zamzam is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for Sami Zamzam was last updated on January 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Dr. Sami S Zamzam, M.D. · NPI 1780621268
Anesthesiology physician in El Segundo, California. Individual provider, active in the CMS NPPES registry since June 1, 2006.
## Identity
- **NPI:** 1780621268 (Entity type: Individual)
- **Enumerated:** June 1, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** C196713 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 898 N PACIFIC COAST HWY STE 600, El Segundo, CA 90245-2747
- **Phone:** (310) 698-5254
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Apa Medical Group, Inc. (NPI 1700596111, Camarillo, CA); Riverside Anesthesia Partners Inc (NPI 1700694262, Riverside, CA); Bell MD PC (NPI 1912743907, Henderson, NV); Mark Bell MD PC (NPI 1205703568, Henderson, NV); Spectrum Health Primary Care Partners (NPI 1386194538, Muskegon, MI); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** January 17, 2025
- **Other identifiers:** Medicaid 2016946 (NV)
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Source: [NPI Profile](https://npiprofile.com/npi/1780621268) · Data from the CMS NPPES public registry.