Dr. Benjamin M. Marsh, M.D.
Urology (Urology Physician)
Who else practices at this address →
St. Louis County includes primary care (17% of residents) and dental (35% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- University of Minnesota Medical School (2014)
- Years since graduation
- 12
- In the NPI registry since
- 2014
- Medicare patients seen, 2024
- 233
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2014Medical school: University of Minnesota Medical School
- 2014Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Urology Physician primary
MN license 65606 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Essentia Health St Mary's Medical Center Duluth, MN
- Essentia Health Duluth Duluth, MN
- St Marys Hospital Superior Superior, WI
- Essentia Health Virginia Virginia, MN
- Essentia Health Moose Lake Moose Lake, MN
Medical groups
- The Duluth Clinic LTD (1,144 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 233
- Services billed
- 563
- Patients’ average age
- 72
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 20-29 minutes | 52 | 46 |
| Diagnostic exam of bladder and urethra using an endoscope | 47 | 40 |
| New patient office or other outpatient visit, 45-59 minutes | 33 | 33 |
| Imaging of urinary tract following injection of a contrast agent | 29 | 26 |
| Established patient office or other outpatient visit, 30-39 minutes | 27 | 26 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 13 |
| Crushing of stone of ureter with insertion of stent using an endoscope | 19 | 19 |
| Established patient office or other outpatient visit, 10-19 minutes | 19 | 17 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 |
| Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope | 16 | 16 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Finasteride Other prescribers in Duluth, MN | 256 |
| Tamsulosin Hcl Other prescribers in Duluth, MN | 241 |
| Oxybutynin Chloride Er (oxybutynin chloride) Other prescribers in Duluth, MN | 181 |
| Hydrocodone-Acetaminophen (hydrocodone/acetaminophen) Other prescribers in Duluth, MN | 49 |
| Myrbetriq (mirabegron) Other prescribers in Duluth, MN | 39 |
| Nitrofurantoin Mono-Macro (nitrofurantoin monohyd/m-cryst) Other prescribers in Duluth, MN | 39 |
| Sulfamethoxazole-Trimethoprim (sulfamethoxazole/trimethoprim) Other prescribers in Duluth, MN | 18 |
| Tolterodine Tartrate Er (tolterodine tartrate) Other prescribers in Duluth, MN | 18 |
| Methenamine Hippurate Other prescribers in Duluth, MN | 14 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $102 in total to this clinician.
| Calyxo, Inc. | $102 |
|---|
| Food and Beverage | $102 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.