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Diagnostic Radiology

David P. Megremis, DO

Works at hospitals in La Crosse, WI · Whitehall, WI · Wisconsin

Summary

David P. Megremis, DO (Diagnostic Radiology) is listed by Medicare at 2 hospitals in La Crosse, WI and Whitehall, WI. NPI 1982606620. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David P. Megremis, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
Chicago College Of OsteopathyMedical school
MaleGender (as listed)
Gundersen Lutheran Medical Center IncGroup practice (+4 more)

Quick answers

Which hospitals does David P. Megremis work at?
Medicare's official clinician data lists David P. Megremis at 2 hospitals: Gundersen Lutheran Medical Center and Gundersen Tri-County Hospital & Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David P. Megremis see patients?
Medicare's clinician data lists 8 practice locations, including Winona, MN, Wabasha, MN and La Crosse, WI. Call before your visit to confirm the address.
What is David P. Megremis's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does David P. Megremis accept Medicare assignment?
Yes. Medicare's clinician data says David P. Megremis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for David P. Megremis?
(507) 615-0600, as listed in official Medicare / NPI Registry data.
What is David P. Megremis's NPI number?
1982606620. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David P. Megremis works

Medicare's Facility Affiliation Data lists David P. Megremis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where David P. Megremis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists David P. Megremis as a member of these groups (CMS data updated 2026-10-02).

  • Gundersen Lutheran Medical Center Inc895 clinicians in the group
  • Saint Elizabeths Hospital of Wabasha Inc94 clinicians in the group
  • Tri-County Memorial Hospital Inc74 clinicians in the group
  • Black River Health Inc60 clinicians in the group
  • Moundview Memorial Hospital and Clinics, Inc.47 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Minnesota →

Other radiologists in Winona

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

All radiologists in Winona →

Clinician information

CredentialDO
Medical schoolChicago College Of Osteopathy
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982606620
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians