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Dr. Daniel Mortensen, MD

Emergency Medicine (Emergency Medicine Physician)

  • Medicare participating

At a glance

Years since graduation
12
In the NPI registry since
2014
Medicare patients seen, 2024
200

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: Michigan State University College of Human Medicine
  • 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

  • Emergency Medicine Physician primary
    MI license 4301105002
  • Student in an Organized Health Care Education/Training Program
    MI license 4301105002

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

Map: Emergency Medicine per capita by county →

Where they work

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
200
Services billed
237
Patients’ average age
75
Most frequent Medicare services, 2023
ServiceTimesPatients
Emergency department visit with moderate level of medical decision making9993
Emergency department visit with high level of medical decision making7472
Critical care, first 30-74 minutes4949
Emergency department visit with low level of medical decision making3030

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
Hydrocodone-Acetaminophen (hydrocodone/acetaminophen)
Other prescribers in Holland, MI
17
Cefpodoxime Proxetil16
Prednisone
Other prescribers in Holland, MI
16
Amoxicillin-Clavulanate Potass (amoxicillin/potassium clav)
Other prescribers in Holland, MI
11
Cephalexin
Other prescribers in Holland, MI
11

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, 2 companies reported 2 payments worth $36.69 in total to this clinician.

By type
Food and Beverage$36.69

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 Michigan →

Other Emergency Medicine clinicians in Holland

Sources

NPI registry (CMS NPPES, November 2026; record last updated February 2, 2017), 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 1447660931. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.