Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Evangelos A. Liokis, MD

Works at hospitals in Baton Rouge, LA · New Orleans, LA · Bay Saint Louis, MS … · Louisiana, Mississippi

Summary

Dr. Evangelos A. Liokis, MD is a radiologist at 100 Medical Ctr Dr, Slidell, LA 70461. Phone: (985) 646-5055. Accepts Medicare assignment. In 2024, Evangelos A. Liokis had 2,138 Original Medicare patients and 3,493 services. NPI 1538187471. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Evangelos A. Liokis, 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 Evangelos A. Liokis accept Medicare assignment?
Yes. Medicare's clinician data says Evangelos A. Liokis 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 Evangelos A. Liokis see?
In 2024, CMS data shows 2,138 Original Medicare patients and 3,493 services for Evangelos A. Liokis. This counts Original Medicare only and measures volume, not quality.
What is Evangelos A. Liokis's NPI number?
1538187471. 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 Evangelos A. Liokis, 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 patients2,138
Services billed to Medicare3,493
Different services or procedures140
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Screening mammography (77067)431 services
  2. Screening 3d breast mammography (77063)430 services
  3. Dxa bone density measurement of hip, pelvis, spine (77080)268 services
  4. X-ray of chest, 2 views (71046)168 services
  5. X-ray of chest, 1 view (71045)127 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%
  • Arthritis58%
  • Ischemic heart disease31%
  • Anxiety30%
  • Diabetes29%

Hospitals where Evangelos A. Liokis works

Medicare's Facility Affiliation Data lists Evangelos A. Liokis 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 Evangelos A. Liokis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 17; the Medicare profile lists all.

Group practices

Medicare enrollment lists Evangelos A. Liokis as a member of these groups (CMS data updated October 2, 2026).

  • Ochsner Clinic LLC2,864 clinicians in the group
  • Medical Foundation Inc212 clinicians in the group
  • Ochsner Mississippi, LLC100 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Louisiana →

Other radiologists in Slidell

Clinicians with the same Medicare primary specialty in Slidell, LA — not a recommendation.

All radiologists in Slidell →

Other clinicians in Ochsner Clinic LLC

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

Clinician information

CredentialMD
Medical schoolLouisiana State University School Of Medicine In Shreveport
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538187471
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