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Internal Medicine

Ioannis Karageorgiou, MD

Works at hospitals in Royal Oak, MI · Troy, MI · Michigan

Summary

Dr. Ioannis Karageorgiou, MD is an internal medicine doctor at 26901 Beaumont Blvd, Southfield, MI 48033. May accept Medicare assignment. NPI 1982335717. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Ioannis Karageorgiou, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ioannis Karageorgiou accept Medicare assignment?
Medicare's clinician data says Ioannis Karageorgiou may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Ioannis Karageorgiou's NPI number?
1982335717. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ioannis Karageorgiou works

Medicare's Facility Affiliation Data lists Ioannis Karageorgiou at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
  • Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269

Practice locations

Addresses where Ioannis Karageorgiou is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Southfield

Clinicians with the same Medicare primary specialty in Southfield, MI — not a recommendation.

All internal medicine doctors in Southfield →

Clinician information

CredentialMD
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1982335717
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians