DR. DIANE ELIZABETH BROWN (MD) – Pediatric Rheumatology Physician, NPI 1649298282
Pediatric Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. DIANE ELIZABETH BROWN (MD)
1 Breakthrough Way
Las Vegas, NV 891353011
Phone: (702) 732-1493
Fax: (702) 732-1080
Type: Location
CNN, 6430, West Sunset Boulevard, Hollywood, Los Angeles, Los Angeles County, California, 90028, United States
SUITE 600
LOS ANGELES, CA 900287900
Phone: (323) 361-2337
Fax: (323) 361-8491
Type: Mailing
Children's Hospital Los Angeles, 4650, Sunset Boulevard, East Hollywood, Los Angeles, Los Angeles County, California, 90029, United States
LOS ANGELES, CA 900276062
Phone: (314) 454-6124
Fax: (314) 454-4633
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-08-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070828001002 | I | Rheumatology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 89135)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CO | |
| - | UT | |
| N E P H R O L O G Y | CA | |
| U R O L O G Y | CA | |
| Pulmonary Disease | CA | |
| Pediatric Medicine, Ophthalmology | CA | |
| - | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| N E U R O L O G Y | CA |
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