Benjamin Michael Marsh, M.D.
NPI 1689094567ActiveIndividual· Urology· Duluth, MN
Urology (M.D.) in Duluth, Minnesota, trained at University of Minnesota Medical School (class of 2014). 233 Medicare patients in 2024, $50,468 paid; nearly all of their 922 Part D prescriptions were generic (93%). Calyxo, Inc. reported $102.38 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689094567 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 18, 2014 |
| Last updated in NPPES | Jun 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 65606 | MN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Urology (MN); Practitioner - Urology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 233 |
|---|---|
| Services billed | 563 across 57 procedure codes |
| Paid by Medicare | $50,468 |
Part D prescriptions in 2024
| Prescriptions (claims) | 922 · 1,719 30-day fills |
|---|---|
| Patients | 268 |
| Total drug cost | $42,754 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- The Duluth Clinic LtdHermantown, MN · 1,144 clinicians
Hospital affiliations
- Essentia Health DuluthDuluth, MN
- Essentia Health Moose LakeMoose Lake, MN
- Essentia Health St Mary's Medical CenterDuluth, MN
- Essentia Health VirginiaVirginia, MN
- St Marys Hospital SuperiorSuperior, WI
Industry payments (Open Payments)
- 2025$102.38 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calyxo, Inc. | $102.38 | 1 |
What the 2025 payments were for
- Food and Beverage$102.38 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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