DR. STEPHANIE K ZIA M.D.
NPI 1013041078
Hospitalist in Los Angeles, CA
About Dr. Stephanie K Zia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHANIE K ZIA M.D. (NPI 1013041078) is an individual hospitalist provider in Los Angeles, California, licensed in California (A88358) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Stephanie K Zia M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephanie Zia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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 90033 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Stephanie Zia's NPI number?
The NPI number for Stephanie Zia is 1013041078. It was assigned to this individual provider in the NPPES registry on March 14, 2007.
Where is Stephanie Zia located?
Stephanie Zia practices at 1500 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.
What is Stephanie Zia's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Stephanie Zia enrolled in Medicare?
Yes. Stephanie Zia is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephanie Zia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Zia reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, 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 Stephanie Zia'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 Stephanie Zia was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.