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Emergency Medicine

Lisa M. Roazen, MD

Works at hospitals in Duluth, MN · Minnesota

Summary

Dr. Lisa M. Roazen, MD is an emergency medicine doctor at 4190 Loberg Ave, Duluth, MN 55811. Phone: (218) 249-4600. Accepts Medicare assignment. In 2024, Lisa M. Roazen had 200 Original Medicare patients and 218 services. NPI 1497957625. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 4190 Loberg Ave, Duluth, MN 55811 · Directions
  • Phone: (218) 249‑4600
  • Medicare: Accepts Medicare assignment
  • Hospital: St Lukes Hospital
  • Group practice: St. Luke's Hospital of Duluth
  • Medical school: University Of Minnesota Medical School · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa M. Roazen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Lisa M. Roazen accept Medicare assignment?
Yes. Medicare's clinician data says Lisa M. Roazen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Lisa M. Roazen see?
In 2024, CMS data shows 200 Original Medicare patients and 218 services for Lisa M. Roazen. This counts Original Medicare only and measures volume, not quality.
What is Lisa M. Roazen's NPI number?
1497957625. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Lisa M. Roazen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients200
Services billed to Medicare218
Different services or procedures19
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)97 services
  2. Emergency department visit with moderate level of medical decision making (99284)67 services
  3. Emergency department visit with low level of medical decision making (99283)28 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol66%
  • Arthritis57%
  • Diabetes42%
  • Anxiety38%
  • Depression35%

Hospitals where Lisa M. Roazen works

Medicare's Facility Affiliation Data lists Lisa M. Roazen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • St Lukes HospitalDuluth, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240047

Practice locations

Addresses where Lisa M. Roazen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lisa M. Roazen as a member of this group (CMS data updated October 2, 2026).

  • St. Luke's Hospital of Duluth405 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Minnesota →

Other emergency medicine doctors in Duluth

Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.

All emergency medicine doctors in Duluth →

Other clinicians in St. Luke's Hospital of Duluth

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497957625
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians