DR. STEPHEN M ROBERT MD
NPI 1457525891
Pediatrics - Pediatric Critical Care Medicine in Tarzana, CA

Active since April 16, 2008PECOS Enrolled
18321 CLARK ST, TARZANA, CA 91356(818) 881-0800 Get Directions Write a Review

NPPES record last updated: October 1, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 1, 2021, Mar 30, 2016 (2 updates tracked since 2016).

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

NPI1457525891
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameDR. STEPHEN M ROBERTCredential: MD
Location Address18321 CLARK STTarzana, CA 91356-3501
Mailing Address8700 Beverly Blvd, Nt Suite 4234West Hollywood, CA 90048-1804 · (310) 423-4694 · Fax (310) 423-4131
Sole ProprietorNo
Enumeration DateApril 16, 2008
Last NPPES UpdateOctober 1, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2021
✔ NPI 1457525891 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
Licenses✔ Licensed in CA · A140712✔ Licensed in PA · MD426068✔ Licensed in AL · 29765
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License 29765 (AL)
18321 CLARK ST, Tarzana, CA 91356

Secondary Practice Location 1

Location 18700 Beverly Blvd, NT Suite 4234West Hollywood, CA 90048-1804 · Phone (310) 423-4694 · Fax (310) 423-4131

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Anesthesiology
8700 BEVERLY BLVD STE SB-290
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
General Acute Care Hospital
8700 BEVERLY BLVD
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.

Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Radiology (Diagnostic Radiology)
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Occupational Therapist
18321 CLARK ST
TARZANA, CA 91356
Emergency Medicine
18321 CLARK ST
TARZANA, CA 91356
Pharmacist
18321 CLARK ST
TARZANA, CA 91356
Nurse Practitioner (Neonatal)
18321 CLARK ST
TARZANA, CA 91356
Pediatrics (Pediatric Critical Care Medicine)
18321 CLARK ST
TARZANA, CA 91356

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.