Madeline Rita Fasen, DO
NPI 1033613583ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· La Crosse, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (DO) in La Crosse, Wisconsin, trained at Nova Southeastern College of Osteo Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $29,239 for 86 claims, against $6,311 paid for services in 2024. Dexcom, Inc. was the largest of 2 companies reporting payments in 2025, $305.89 in all, mostly food and beverage.
Overview
| NPI | 1033613583 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 20, 2018 |
| Last updated in NPPES | Sep 11, 2024 |
| Certified by provider | Sep 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 81451 | WI |
| Internal Medicine | 207R00000X | 1033613583 | FL |
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 | 64 |
|---|---|
| Services billed | 131 across 7 procedure codes |
| Paid by Medicare | $6,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 86 · 187 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $29,239 |
| Generic share | 34% of claims |
Education and affiliations
| Medical school | Nova Southeastern College of Osteo Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical groups
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI · 534 clinicians
Hospital affiliations
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI
- Mayo Clinic Health System-NorthlandBarron, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
Industry payments (Open Payments)
- 2025$305.89 · 3 payments from 2 companies
- 2024$339.69 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $241.84 | 2 |
| Tandem Diabetes Care, Inc. | $64.05 | 1 |
What the 2025 payments were for
- Food and Beverage$305.89 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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