Michael C. Rivera, MD
NPI 1447304282ActiveIndividual· Family Medicine· St Charles, IL
Family Medicine (MD) with Dupage Medical Group Ltd, practicing in St Charles, Illinois. Their prescriptions cost Medicare Part D more than their services did: $666,058 for 7,138 claims, against $127,730 paid for services in 2024. Lilly USA, LLC was the largest of 2 companies reporting payments in 2025, $125.25 in all, mostly food and beverage. Lists Northwestern Medicine Delnor Community Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1447304282 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 22, 2007 |
| Last updated in NPPES | Jul 17, 2023 |
| Certified by provider | Jul 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036108312 | 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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 11,626 across 94 procedure codes |
| Paid by Medicare | $127,730 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,138 · 15,853 30-day fills |
|---|---|
| Patients | 535 |
| Total drug cost | $666,058 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- St Josephs HospitalBreese, IL
Other facilities
- Absolute Home WellnessHome health agency · Saint Charles, IL
- Centerwell Home Health IIHome health agency · Buffalo Grove, IL
- Dmj Home Health Services, IncHome health agency · Aurora, IL
- Resilience Home Health, LLCHome health agency · Aurora, IL
Industry payments (Open Payments)
- 2025$125.25 · 5 payments from 2 companies
- 2024$126.25 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $102.86 | 4 |
| Exact Sciences Corporation | $22.39 | 1 |
What the 2025 payments were for
- Food and Beverage$125.25 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 family medicine physicians in St Charles · All family medicine physicians in Illinois