Gilbert G. Fareau, M.D.
NPI 1225221138ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Milwaukee, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with The Medical College of Wisconsin Inc, practicing in Milwaukee, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $3,099,920 for 2,172 claims, against $30,818 paid for services in 2024. Chiesi USA, Inc. reported $65.97 in payments in 2025, mostly education. Lists Froedtert Community Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1225221138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 23, 2007 |
| Last updated in NPPES | Aug 5, 2021 |
| Certified by provider | Aug 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 50750 | WI |
| Internal Medicine | 207R00000X | 50750 | 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 - Endocrinology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 341 |
|---|---|
| Services billed | 557 across 14 procedure codes |
| Paid by Medicare | $30,818 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,172 · 5,550 30-day fills |
|---|---|
| Patients | 416 |
| Total drug cost | $3,099,920 |
| Generic share | 39% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
Hospital affiliations
- Froedtert Community HospitalNew Berlin, WI
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
- Froedtert South Inc.Kenosha, WI
- Holy Family MemorialManitowoc, WI
- St Josephs Community Hospital West BendWest Bend, WI
Industry payments (Open Payments)
- 2025$65.97 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Chiesi USA, Inc. | $65.97 | 1 |
What the 2025 payments were for
- Education$65.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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