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Cardiac Electrophysiology

Mark A. Dixon, DO

Works at hospitals in Valparaiso, IN · Knox, IN · La Porte, IN … · Indiana

Summary

Mark A. Dixon, DO (Cardiac Electrophysiology) is listed by Medicare at 4 hospitals in Valparaiso, IN, Knox, IN and La Porte, IN and other places. NPI 1912980236. 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. Dixon, 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

Cardiac ElectrophysiologyPrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
At Still University Of Health Sciences, College Of Osteo Med, KirksvilleMedical school
MaleGender (as listed)
Porter Physician Services LLCGroup practice (+1 more)

Quick answers

Which hospitals does Mark A. Dixon work at?
Medicare's official clinician data lists Mark A. Dixon at 4 hospitals: Northwest Health - Porter, Northwest Health - Starke, Northwest Health-La Porte and St Mary Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Dixon see patients?
Medicare's clinician data lists 7 practice locations, including Knox, IN, La Porte, IN and Valparaiso, IN. Call before your visit to confirm the address.
What is Mark A. Dixon's specialty?
Medicare lists Cardiac Electrophysiology as the primary specialty.
Does Mark A. Dixon accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Dixon 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. Dixon?
(219) 326-5700, as listed in official Medicare / NPI Registry data.
What is Mark A. Dixon's NPI number?
1912980236. 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. Dixon works

Medicare's Facility Affiliation Data lists Mark A. Dixon 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. Dixon is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

  • 104 E Culver RdKnox, IN 46534
  • 1331 State StLa Porte, IN 46350
  • 1509 State StLa Porte, IN 46350 (219) 326‑5700
  • 2000 Roosevelt RdValparaiso, IN 46383
  • 3630 Willowcreek RdPortage, IN 46368

Group practices

Medicare enrollment lists Mark A. Dixon as a member of these groups (CMS data updated 2026-10-02).

  • Porter Physician Services LLC99 clinicians in the group
  • La Porte Clinic Company LLC69 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in Indiana →

Other cardiac electrophysiologists in Indiana

Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.

All cardiac electrophysiologists in Indiana →

Clinician information

CredentialDO
Medical schoolAt Still University Of Health Sciences, College Of Osteo Med, Kirksville
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912980236
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