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Dr. Mark Frommelt, MD

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

  • Medicare participating

At a glance

Years since graduation
8
In the NPI registry since
2018
Medicare patients seen, 2024
115

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

  • 2018Medical school: University of Iowa, Rj & L Carver College of Medicine
  • 2018Registered 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
    WI license 72403-20
  • Internal Medicine Physician
    IA license 48475 · WI license 72403-20
  • 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.

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
115
Services billed
791
Patients’ average age
73

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
Stiolto Respimat (tiotropium br/olodaterol hcl)
Other prescribers in Madison, WI
15
Budesonide-Formoterol Fumarate (budesonide/formoterol fumarate)
Other prescribers in Madison, WI
14
Albuterol Sulfate Hfa (albuterol sulfate)
Other prescribers in Madison, WI
13
Azithromycin
Other prescribers in Madison, WI
13
Fluticasone-Salmeterol (fluticasone propion/salmeterol)
Other prescribers in Madison, WI
12

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 8 payments worth $3,290 in total to this clinician.

By company
Intuitive Surgical, Inc.$3,290
By type
Education$2,500
Travel and Lodging$650
Food and Beverage$140

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
May 9, 2025Intuitive Surgical, Inc.
May 9, 2025
Education
Da Vinci Surgical System · SURGERY · in-kind
$2,500
May 9, 2025Intuitive Surgical, Inc.
May 9, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to ATLANTA, GA · in-kind
$231
May 10, 2025Intuitive Surgical, Inc.
May 10, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to NORCROSS, GA · in-kind
$216
May 9, 2025Intuitive Surgical, Inc.
May 9, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to ATLANTA, GA · in-kind
$143
May 9, 2025Intuitive Surgical, Inc.
May 9, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to ATLANTA, GA · in-kind
$30.00
Apr 17, 2025Intuitive Surgical, Inc.
Apr 17, 2025
Travel and Lodging
Da Vinci Surgical System · SURGERY · travel to ATLANTA, GA · in-kind
$30.00

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

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.

Who received the most in Wisconsin →

Other Critical Care Medicine clinicians in Madison

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 11, 2024), 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 1386131225. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.