Michael J. Fremgen, M.D.
NPI 1770583072ActiveIndividual· Family Medicine· Geneva, IL
Family Medicine (M.D.) in Geneva, Illinois, licensed in IL, with an NPI issued in July 2005. Their prescriptions cost Medicare Part D more than their services did: $405,836 for 6,894 claims, against $137,733 paid for services in 2024. W. L. Gore & Associates, Inc. reported $51.79 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1770583072 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2005 |
| Last updated in NPPES | Mar 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036067396 | 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 | 467 |
|---|---|
| Services billed | 3,988 across 44 procedure codes |
| Paid by Medicare | $137,733 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,894 · 16,872 30-day fills |
|---|---|
| Patients | 775 |
| Total drug cost | $405,836 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
- 2024$51.79 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $51.79 | 1 |
What the 2024 payments were for
- Food and Beverage$51.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 50 family medicine physicians in Geneva · All family medicine physicians in Illinois