DR. STEPHEN M ROBERT MD
NPI 1457525891
Pediatrics - Pediatric Critical Care Medicine in Tarzana, CA
About Dr. Stephen M Robert Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN M ROBERT MD (NPI 1457525891) is an individual pediatric critical care medicine provider in Tarzana, California, licensed in California (A140712) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in West Hollywood.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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. Stephen M Robert Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Stephen Robert 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 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 1,001 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.
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 Stephen Robert's NPI number?
The NPI number for Stephen Robert is 1457525891. It was assigned to this individual provider in the NPPES registry on April 16, 2008.
Where is Stephen Robert located?
Stephen Robert practices at 18321 Clark St, Tarzana, CA 91356. The listed phone number is (818) 881-0800.
What is Stephen Robert's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Stephen Robert enrolled in Medicare?
Yes. Stephen Robert is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stephen Robert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Robert reassigns Medicare benefits to 2 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA) and Cedars-Sinai Medical Center (Los Angeles, 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 Stephen Robert'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 Stephen Robert was last updated on October 1, 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.