DR. MAZIAR MARK GHALILI D.O.
NPI 1053672006
Internal Medicine in Los Angeles, CA
About Dr. Maziar Mark Ghalili D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAZIAR MARK GHALILI D.O. (NPI 1053672006) is an individual internal medicine provider in Los Angeles, California, licensed in Nevada (SL0884) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Maziar Mark Ghalili D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Maziar Ghalili reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 93 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90011 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 4
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 Maziar Ghalili's NPI number?
The NPI number for Maziar Ghalili is 1053672006. It was assigned to this individual provider in the NPPES registry on June 6, 2012. The provider is also known as Mark Ghalili D.O..
Where is Maziar Ghalili located?
Maziar Ghalili practices at 2101 S San Pedro St, Los Angeles, CA 90011. The listed phone number is (702) 671-2341.
What is Maziar Ghalili's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Maziar Ghalili enrolled in Medicare?
Yes. Maziar Ghalili is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maziar Ghalili's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maziar Ghalili reassigns Medicare benefits to 2 organizations: Tarzana Treatment Centers, Inc. (Los Angeles, CA) and Hospitalist Medicine Physicians Of California, Inc (Apple Valley, 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 Maziar Ghalili'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 Maziar Ghalili was last updated on July 5, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.