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Emergency Medicine

Georgios Filiadis, DO

Works at hospitals in Valparaiso, IN · New Lenox, IL · Indiana, Illinois

Summary

Dr. Georgios Filiadis, DO is an emergency medicine doctor at 3630 Willowcreek Rd, Portage, IN 46368. Phone: (219) 364-3000. Accepts Medicare assignment. In 2024, Georgios Filiadis had 1,120 Original Medicare patients and 1,448 services. NPI 1104877828. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 3630 Willowcreek Rd, Portage, IN 46368 · Directions (1 more location)
  • Phone: (219) 364‑3000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Northwest Health - Porter, Silver Cross Hospital and Medical Centers
  • Group practice: Emergency Professionals of Indiana PC
  • Medical school: Lake Erie College Of Osteopathic Medicine, Erie · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Georgios Filiadis, 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 Georgios Filiadis accept Medicare assignment?
Yes. Medicare's clinician data says Georgios Filiadis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Georgios Filiadis see?
In 2024, CMS data shows 1,120 Original Medicare patients and 1,448 services for Georgios Filiadis. This counts Original Medicare only and measures volume, not quality.
What is Georgios Filiadis's NPI number?
1104877828. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Georgios Filiadis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,120
Services billed to Medicare1,448
Different services or procedures43
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)842 services
  2. Emergency department visit with moderate level of medical decision making (99284)216 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)172 services
  4. Critical care, first 30-74 minutes (99291)84 services
  5. Emergency department visit with low level of medical decision making (99283)25 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis61%
  • Ischemic heart disease49%
  • Diabetes44%
  • Chronic kidney disease43%

Hospitals where Georgios Filiadis works

Medicare's Facility Affiliation Data lists Georgios Filiadis 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.

Practice locations

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

Group practices

Medicare enrollment lists Georgios Filiadis as a member of this group (CMS data updated October 2, 2026).

  • Emergency Professionals of Indiana PC119 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Indiana →

Other emergency medicine doctors in Portage

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

All emergency medicine doctors in Portage →

Other clinicians in Emergency Professionals of Indiana PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104877828
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians