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Dr. Gregory R. Stroh, MD

Critical Care Medicine (Critical Care Medicine (Internal Medicine) Physician)

400 E 3rd St
Duluth, MN 55805

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

Call (218) 786-8364

  • Medicare participating

At a glance

Years since graduation
11
In the NPI registry since
2015
Medicare patients seen, 2024
247

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

  • 2015Medical school: University of Kansas School of Med (Kc/Wich/Sal)
  • 2015Registered 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

  • Critical Care Medicine (Internal Medicine) Physician primary
    MN license 60922
  • Internal Medicine Physician
    MN license 60922
  • Pulmonary Disease Physician
    MN license 60922

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Critical Care Medicine per capita by county →

Where they work

Hospitals

Medical groups

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
247
Services billed
724
Patients’ average age
70
Most frequent Medicare services, 2023
ServiceTimesPatients
Critical care, first 30-74 minutes11640
Test to examine how well the lungs exchange gases6463
Test to determine lung volumes using sensors6059
Test to measure expiratory airflow and volume changes before and after medication administration5858
Established patient office or other outpatient visit, 30-39 minutes5337
Critical care, each additional 30 minutes2615
Established patient office or other outpatient visit, 40-54 minutes2521
New patient office or other outpatient visit, 60-74 minutes2222
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes2012
Test to measure expiratory airflow and volume1919

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

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Breztri Aerosphere (budesonide/glycopyr/formoterol)
Other prescribers in Duluth, MN
189
Albuterol Sulfate Hfa (albuterol sulfate)
Other prescribers in Duluth, MN
132
Prednisone
Other prescribers in Duluth, MN
119
Montelukast Sodium
Other prescribers in Duluth, MN
89
Trelegy Ellipta (fluticasone/umeclidin/vilanter)
Other prescribers in Duluth, MN
71
Anoro Ellipta (umeclidinium brm/vilanterol tr)
Other prescribers in Duluth, MN
70
Stiolto Respimat (tiotropium br/olodaterol hcl)
Other prescribers in Duluth, MN
66
Fluticasone-Salmeterol (fluticasone propion/salmeterol)
Other prescribers in Duluth, MN
41
Spiriva Respimat (tiotropium bromide)
Other prescribers in Duluth, MN
39
Bevespi Aerosphere (glycopyrrolate/formoterol fum)
Other prescribers in Duluth, MN
37

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Other Critical Care Medicine clinicians in Duluth

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 30, 2025), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1023497112. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.