Rick A. Erdman, MD
NPI 1952306011ActiveIndividual· Internal Medicine· Tomah, WI
Internal Medicine (MD) with Gundersen Clinic Ltd and 1 other group, practicing in Tomah, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $875,242 for 9,448 claims, against $127,867 paid for services in 2024. Lists Gundersen Lutheran Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1952306011 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2005 |
| Last updated in NPPES | Jan 21, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 37126 | 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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 462 |
|---|---|
| Services billed | 6,580 across 86 procedure codes |
| Paid by Medicare | $127,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,448 · 19,729 30-day fills |
|---|---|
| Patients | 612 |
| Total drug cost | $875,242 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
- St Josephs Health Services IncHillsboro, WI · 81 clinicians
Hospital affiliations
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Gundersen St Josephs Hospital and ClinicsHillsboro, WI
- Tomah Memorial HospitalTomah, WI
Other facilities
- Aveanna Home HealthHome health agency · La Crosse, WI
- Hospice TouchHospice · Tomah, WI
- St Croix Hospice Eau ClaireHospice · Eau Claire, WI
- Tomah Nursing and RehabNursing home · Tomah, 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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