Marita Danielle Fisher, M.D.
NPI 1275827792ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Eau Claire, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Eau Claire, Wisconsin, trained at Southern Illinois University School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $1,234,924 for 3,243 claims, against $38,411 paid for services in 2024. Dexcom, Inc. was the largest of 7 companies reporting payments in 2025, $828.15 in all, mostly food and beverage.
Overview
| NPI | 1275827792 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2011 |
| Last updated in NPPES | Apr 2, 2021 |
| Certified by provider | Apr 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 62547 | 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 | 402 |
|---|---|
| Services billed | 719 across 20 procedure codes |
| Paid by Medicare | $38,411 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,243 · 6,464 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $1,234,924 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical groups
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
- Lakeview Medical Center Inc of Rice LakeRice Lake, WI · 168 clinicians
Hospital affiliations
- Marshfield Medical CenterMarshfield, WI
- Marshfield Medical Center - Eau ClaireEau Claire, WI
- Marshfield Medical Center - LadysmithLadysmith, WI
- Marshfield Medical Center - Rice LakeRice Lake, WI
Industry payments (Open Payments)
- 2025$828.15 · 25 payments from 7 companies
- 2024$191.17 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $330.59 | 15 |
| Alexion Pharmaceuticals, Inc. | $258.95 | 3 |
| Amgen Inc. | $117.82 | 2 |
| Lilly USA, LLC | $39.46 | 2 |
| Medtronic, Inc. | $35.03 | 1 |
What the 2025 payments were for
- Food and Beverage$828.15 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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