Michael S. Frontiera, MD
NPI 1669428017ActiveIndividual· Internal Medicine, Hematology & Oncology· Madison, WI
Internal Medicine, Hematology & Oncology (MD) in Madison, Wisconsin, licensed in WI, with an NPI issued in May 2006. Their prescriptions cost Medicare Part D more than their services did: $1,949,791 for 804 claims, against $390,230 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $1,665 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1669428017 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Feb 21, 2022 |
| Certified by provider | Feb 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 27625-020 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 180 |
|---|---|
| Services billed | 16,333 across 68 procedure codes |
| Paid by Medicare | $390,230 |
Part D prescriptions in 2024
| Prescriptions (claims) | 804 · 1,783 30-day fills |
|---|---|
| Patients | 223 |
| Total drug cost | $1,949,791 |
| Generic share | 82% of claims |
Industry payments (Open Payments)
- 2025$1,665 · 1 payment from 1 company
- 2024$3,845 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,665 | 1 |
What the 2025 payments were for
- Consulting Fee$1,665 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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