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Internal Medicine

Joseph A. Dejoan, MD

Sees patients in Michigan City, IN · Chesterton, IN · Indiana

Summary

Joseph A. Dejoan, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Michigan City, IN and Chesterton, IN. NPI 1497714364. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph A. Dejoan, 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
31Years since medical school (graduated 1995)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
Chesterton Physical Therapy IncGroup practice (+1 more)

Quick answers

Where does Joseph A. Dejoan see patients?
Medicare's clinician data lists 2 practice locations, including Michigan City, IN and Chesterton, IN. Call before your visit to confirm the address.
What is Joseph A. Dejoan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Joseph A. Dejoan accept Medicare assignment?
Yes. Medicare's clinician data says Joseph A. Dejoan 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 Joseph A. Dejoan?
(219) 872-6200, as listed in official Medicare / NPI Registry data.
What is Joseph A. Dejoan's NPI number?
1497714364. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Joseph A. Dejoan is enrolled with Medicare (CMS data updated 2026-10-02).

  • 200 Alfred StMichigan City, IN 46360 (219) 872‑6200
  • 425 Sand Creek Dr, Suite CChesterton, IN 46304

Group practices

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

  • Chesterton Physical Therapy Inc186 clinicians in the group
  • Healthlinc Inc84 clinicians in the group

Specialties

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Michigan City

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

All internal medicine doctors in Michigan City →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497714364
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians