Tiffany Jean Marinier, D.O.
NPI 1144343161ActiveIndividual· Internal Medicine· Onalaska, WI
Internal Medicine (D.O.) in Onalaska, Wisconsin, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $598,390 for 5,895 claims, against $23,760 paid for services in 2024.
Overview
| NPI | 1144343161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | Mar 24, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 60962 | WI |
| Internal Medicine | 207R00000X | 102952 | MN |
| Internal Medicine | 207R00000X | 036125948 | 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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 427 across 23 procedure codes |
| Paid by Medicare | $23,760 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,895 · 12,844 30-day fills |
|---|---|
| Patients | 435 |
| Total drug cost | $598,390 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
Hospital affiliation
- Gundersen Lutheran Medical CenterLa Crosse, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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