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Internal Medicine

Stuart M. Klein, MD

Works at hospitals in Munster, IN · Dyer, IN · East Chicago, IN · Indiana

Summary

Stuart M. Klein, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Munster, IN, Dyer, IN and East Chicago, IN. NPI 1790870483. 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 Stuart M. Klein, 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
YesOffers telehealth
47Years since medical school (graduated 1979)
Chicago College Of Medicine And SurgeryMedical school
MaleGender (as listed)
Columbia Medical Center LtdGroup practice

Quick answers

Which hospitals does Stuart M. Klein work at?
Medicare's official clinician data lists Stuart M. Klein at 4 hospitals: Community Hospital, Franciscan Health Dyer, Franciscan Health Munster and St Catherine Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stuart M. Klein see patients?
Medicare's clinician data lists 1 practice location in Highland, IN. Call before your visit to confirm the address.
What is Stuart M. Klein's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Stuart M. Klein accept Medicare assignment?
Yes. Medicare's clinician data says Stuart M. Klein 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.
Does Stuart M. Klein offer telehealth?
Medicare's clinician data says Stuart M. Klein offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Stuart M. Klein?
(219) 937-2511, as listed in official Medicare / NPI Registry data.
What is Stuart M. Klein's NPI number?
1790870483. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stuart M. Klein works

Medicare's Facility Affiliation Data lists Stuart M. Klein 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 Stuart M. Klein is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stuart M. Klein as a member of this group (CMS data updated 2026-10-02).

  • Columbia Medical Center Ltd6 clinicians in the group

Specialties

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Highland

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

All internal medicine doctors in Highland →

Clinician information

CredentialMD
Medical schoolChicago College Of Medicine And Surgery
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1790870483
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