DR. DIANE ELIZABETH BROWN MD
NPI 1649298282
Pediatrics - Pediatric Rheumatology in Los Angeles, CA
About Dr. Diane Elizabeth Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANE ELIZABETH BROWN MD (NPI 1649298282) is an individual pediatric rheumatology provider in Los Angeles, California, licensed in Missouri (2004024401) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Las Vegas.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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. Diane Elizabeth Brown Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diane Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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
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 16
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
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 Diane Brown's NPI number?
The NPI number for Diane Brown is 1649298282. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Diane Brown located?
Diane Brown practices at 4650 Sunset Blvd., Los Angeles, CA 90027. The listed phone number is (314) 454-6124.
What is Diane Brown's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Rheumatology, with taxonomy code 2080P0216X.
Is Diane Brown enrolled in Medicare?
Yes. Diane Brown is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diane Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Brown reassigns Medicare benefits to Children's Hospital Los Angeles 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 Diane 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 Diane Brown was last updated on March 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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. Diane Elizabeth Brown, MD · NPI 1649298282
Pediatric Rheumatology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1649298282 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Pediatrics - Pediatric Rheumatology · taxonomy 2080P0216X
- **State license:** 2004024401 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 SUNSET BLVD., Los Angeles, CA 90027-6062
- **Phone:** (314) 454-6124 · **Fax:** (314) 454-4633
## 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:** Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 27, 2020
- **Other identifiers:** Medicaid 206177107 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1649298282) · Data from the CMS NPPES public registry.