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Internal Medicine

Seth E. Losiewicz, MD

Works at hospitals in Lafayette, IN · Indiana

Summary

Seth E. Losiewicz, MD (Internal Medicine) is listed by Medicare at 1 hospital in Lafayette, IN. NPI 1801591268. 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 Seth E. Losiewicz, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
3Years since medical school (graduated 2023)
MaleGender (as listed)
IU Health Medical Group LLCGroup practice

Quick answers

Which hospitals does Seth E. Losiewicz work at?
Medicare's official clinician data lists Seth E. Losiewicz at 1 hospital: Indiana University Health Arnett Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Seth E. Losiewicz see patients?
Medicare's clinician data lists 1 practice location in Lafayette, IN. Call before your visit to confirm the address.
What is Seth E. Losiewicz's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Seth E. Losiewicz accept Medicare assignment?
Yes. Medicare's clinician data says Seth E. Losiewicz 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 Seth E. Losiewicz?
(888) 484-3258, as listed in official Medicare / NPI Registry data.
What is Seth E. Losiewicz's NPI number?
1801591268. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Seth E. Losiewicz works

Medicare's Facility Affiliation Data lists Seth E. Losiewicz 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 Seth E. Losiewicz is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Seth E. Losiewicz as a member of this group (CMS data updated 2026-10-02).

  • IU Health Medical Group LLC4,462 clinicians in the group

Specialties

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Lafayette

Clinicians with the same Medicare primary specialty in Lafayette, IN — not a recommendation.

All internal medicine doctors in Lafayette →

Clinician information

CredentialMD
Graduation year2023
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801591268
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