Mary Bassing, M.D.
NPI 1629395355ActiveIndividual· Internal Medicine, Geriatric Medicine· La Crosse, WI
Internal Medicine, Geriatric Medicine (M.D.) with Gundersen Lutheran Medical Center Inc and 1 other group, practicing in La Crosse, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,183,710 for 24,684 claims, against $46,754 paid for services in 2024. Lists Gundersen Lutheran Medical Center as a hospital affiliation.
Overview
| NPI | 1629395355 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 20, 2010 |
| Last updated in NPPES | Aug 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 56312 | 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 - Geriatric Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 291 |
|---|---|
| Services billed | 681 across 30 procedure codes |
| Paid by Medicare | $46,754 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24,684 · 27,950 30-day fills |
|---|---|
| Patients | 573 |
| Total drug cost | $1,183,710 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | 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
Other facilities
- Aveanna Home HealthHome health agency · La Crosse, WI
- Gundersen Lutheran Medical CenterHospice · La Crosse, WI
- St Croix Hospice la CrosseHospice · La Crosse, WI
- Benedictine Manor of LacrosseNursing home · La Crosse, WI
- Bethany St Joseph Care CtrNursing home · La Crosse, WI
- Lakeview Health CenterNursing home · West Salem, WI
- RiversideNursing home · La 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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