Jonathan R. Brown, MD
NPI 1811056773ActiveIndividual· Internal Medicine· Deerfield, IL
Internal Medicine (MD) in Deerfield, Illinois, trained at Northwestern University Feinberg Medical School (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $703,870 for 9,553 claims, against $122,271 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $345.06 in all, mostly food and beverage.
Overview
| NPI | 1811056773 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 7, 2006 |
| Last updated in NPPES | Oct 6, 2020 |
| Certified by provider | Oct 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-093753 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 709 |
|---|---|
| Services billed | 1,851 across 16 procedure codes |
| Paid by Medicare | $122,271 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,553 · 23,101 30-day fills |
|---|---|
| Patients | 852 |
| Total drug cost | $703,870 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Swedish HospitalChicago, IL
Other facilities
- Guardian Home Health Care, LLCHome health agency · Northfield, IL
- Residential Home HealthHome health agency · Northbrook, IL
- Residential Home HealthHome health agency · Schaumburg, IL
Industry payments (Open Payments)
- 2025$345.06 · 6 payments from 2 companies
- 2024$165.72 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $235.10 | 5 |
| Novo Nordisk Inc | $109.96 | 1 |
What the 2025 payments were for
- Food and Beverage$345.06 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 internal medicine physicians in Deerfield · All internal medicine physicians in Illinois