JONATHAN R. BROWN MD
NPI 1811056773
Internal Medicine in Deerfield, IL
About Jonathan R. Brown Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JONATHAN R. BROWN MD (NPI 1811056773) is an individual internal medicine provider in Deerfield, Illinois, licensed in Illinois (036-093753) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Northwestern University Feinberg Medical School (1994).
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 and accepts Medicare assignment
Jonathan R. Brown Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jonathan Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILSwedish Hospital
Acute Care Hospitals · Chicago, ILNorthwestern Lake Forest Hospital
Acute Care Hospitals · Lake Forest, ILNorthwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jonathan Brown's NPI number?
The NPI number for Jonathan Brown is 1811056773. It was assigned to this individual provider in the NPPES registry on December 7, 2006.
Where is Jonathan Brown located?
Jonathan Brown practices at 190 Waukegan Rd Ste B Deerfield South, Deerfield, IL 60015. The listed phone number is (847) 945-4575.
What is Jonathan Brown's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jonathan Brown enrolled in Medicare?
Yes. Jonathan Brown is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jonathan Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Brown reassigns Medicare benefits to Endeavor Health Medical Group (Evanston, 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 Jonathan Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Brown accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Jonathan 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.
Is Jonathan Brown affiliated with any hospitals?
According to CMS data, Jonathan Brown is affiliated with Northshore University Healthsystem - Evanston Hospital, Swedish Hospital, Northwestern Lake Forest Hospital and Northwest Community Hospital 1.
When was this NPI record last updated?
The NPPES record for Jonathan Brown was last updated on October 6, 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.
# Jonathan R. Brown, MD · NPI 1811056773
Internal Medicine physician in Deerfield, Illinois. Individual provider, active in the CMS NPPES registry since December 7, 2006.
## Identity
- **NPI:** 1811056773 (Entity type: Individual)
- **Enumerated:** December 7, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036-093753 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 190 WAUKEGAN RD STE B, DEERFIELD SOUTH, Deerfield, IL 60015-5655
- **Phone:** (847) 945-4575 · **Fax:** (847) 945-4593
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Endeavor Health Medical Group (NPI 1265695944, Evanston, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 1994
## Record status
- **NPPES last updated:** October 6, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1811056773) · Data from the CMS NPPES public registry.