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Otolaryngology

Mark A. Severtson, MD

Works at hospitals in Louisville, KY · Kentucky

Summary

Mark A. Severtson, MD (Otolaryngology) is listed by Medicare at 3 hospitals in Louisville, KY. NPI 1861499576. 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 Mark A. Severtson, 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

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
34Years since medical school (graduated 1992)
Columbia University College Of Physicians And SurgeonsMedical school
MaleGender (as listed)
University of Louisville Physicians IncGroup practice

Quick answers

Which hospitals does Mark A. Severtson work at?
Medicare's official clinician data lists Mark A. Severtson at 3 hospitals: Norton Hospitals, Inc, University of Louisville Hospital and UOFL HEALTH - JEWISH HOSPITAL and Mary & Elizabeth Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Severtson see patients?
Medicare's clinician data lists 1 practice location in Louisville, KY. Call before your visit to confirm the address.
What is Mark A. Severtson's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does Mark A. Severtson accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Severtson 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 Mark A. Severtson?
(502) 813-6410, as listed in official Medicare / NPI Registry data.
What is Mark A. Severtson's NPI number?
1861499576. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark A. Severtson works

Medicare's Facility Affiliation Data lists Mark A. Severtson 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 Mark A. Severtson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark A. Severtson as a member of this group (CMS data updated 2026-10-02).

  • University of Louisville Physicians Inc1,445 clinicians in the group

Specialties

Find other Otolaryngology doctors in Kentucky →

Other ENT doctors in Louisville

Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.

All ENT doctors in Louisville →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861499576
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