DR. ROBERT J. BROWN M.D.
NPI 1174712962
Pediatrics - Pediatric Hematology-Oncology in Los Angeles, CA
About Dr. Robert J. Brown M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT J. BROWN M.D. (NPI 1174712962) is an individual pediatric hematology-oncology provider in Los Angeles, California, licensed in California (A 108632) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Duarte.
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. Robert J. Brown M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Robert Brown 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 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Robert Brown's NPI number?
The NPI number for Robert Brown is 1174712962. It was assigned to this individual provider in the NPPES registry on October 17, 2007.
Where is Robert Brown located?
Robert Brown practices at 4650 Sunset Boulevard Ms-54, Los Angeles, CA 90027. The listed phone number is (323) 361-4460.
What is Robert Brown's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Robert Brown enrolled in Medicare?
Yes. Robert Brown is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Brown reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and City Of Hope Medical Foundation (Duarte, 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 Robert Brown'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 Robert Brown was last updated on November 20, 2020. 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.
# Dr. Robert J. Brown, M.D. · NPI 1174712962
Pediatric Hematology-Oncology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since October 17, 2007.
## Identity
- **NPI:** 1174712962 (Entity type: Individual)
- **Enumerated:** October 17, 2007
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** A 108632 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 SUNSET BOULEVARD, MS-54, Los Angeles, CA 90027-6016
- **Phone:** (323) 361-4460 · **Fax:** (323) 361-8165
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); City Of Hope Medical Foundation (NPI 1871886366, Duarte, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 20, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1174712962) · Data from the CMS NPPES public registry.