DIAMOND SYMONE BROWN MD
NPI 1164172755
Pediatrics in Evergreen Pk, IL
About Diamond Symone Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIAMOND SYMONE BROWN MD (NPI 1164172755) is an individual pediatrics provider in Evergreen Pk, Illinois, licensed in Illinois (036-172663) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diamond Symone Brown Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Diamond Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EVERGREEN PARK, IL 60805
EVERGREEN PARK, IL 60805
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 Diamond Brown's NPI number?
The NPI number for Diamond Brown is 1164172755. It was assigned to this individual provider in the NPPES registry on March 25, 2022.
Where is Diamond Brown located?
Diamond Brown practices at 9730 S Western Ave Ste 500, Evergreen Pk, IL 60805. The listed phone number is (708) 425-7337.
What is Diamond Brown's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Diamond Brown enrolled in Medicare?
Yes. Diamond Brown is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Diamond Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diamond Brown reassigns Medicare benefits to Advocate Health & Hospitals Corporation (Oak Lawn, IL). 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 Diamond Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diamond Brown accept?
Health plans from Oscar Health list Diamond Brown as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Diamond Brown was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Diamond Symone Brown, MD · NPI 1164172755
Pediatrics physician in Evergreen Pk, Illinois. Individual provider, active in the CMS NPPES registry since March 25, 2022.
## Identity
- **NPI:** 1164172755 (Entity type: Individual)
- **Enumerated:** March 25, 2022
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 036-172663 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 9730 S WESTERN AVE STE 500, Evergreen Pk, IL 60805-2780
- **Phone:** (708) 425-7337 · **Fax:** (708) 636-3485
## 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:** Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1164172755) · Data from the CMS NPPES public registry.