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Emergency Medicine

Marty Lejeune, DO

Works at hospitals in Alliance, OH · Concord, OH · Bay Saint Louis, MS … · Ohio, Mississippi

Summary

Dr. Marty Lejeune, DO is an emergency medicine doctor at 149 Drinkwater Rd, Bay Saint Louis, MS 39520. Phone: (228) 467-8600. Accepts Medicare assignment. In 2024, Marty Lejeune had 197 Original Medicare patients and 718 services. NPI 1972982668. 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 Marty Lejeune, 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 Marty Lejeune accept Medicare assignment?
Yes. Medicare's clinician data says Marty Lejeune 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 Marty Lejeune see?
In 2024, CMS data shows 197 Original Medicare patients and 718 services for Marty Lejeune. This counts Original Medicare only and measures volume, not quality.
What is Marty Lejeune's NPI number?
1972982668. 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 Marty Lejeune, 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 patients197
Services billed to Medicare718
Different services or procedures18
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)423 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)95 services
  3. Emergency department visit with high level of medical decision making (99285)73 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)37 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)31 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%
  • Arthritis59%
  • Ischemic heart disease51%
  • Diabetes49%
  • Chronic kidney disease49%

Hospitals where Marty Lejeune works

Medicare's Facility Affiliation Data lists Marty Lejeune 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.

  • Alliance Community HospitalAlliance, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360131
  • Lake HealthConcord, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360098
  • Ochsner Medical Center-HancockBay Saint Louis, MS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 250162
  • University Hospitals Samaritan Medical CenterAshland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 360002

Practice locations

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

Group practices

Medicare enrollment lists Marty Lejeune as a member of these groups (CMS data updated October 2, 2026).

  • Emergency Professional Services, Inc.121 clinicians in the group
  • Community Hospitalist LLC52 clinicians in the group
  • Physicians Link Center LLC47 clinicians in the group
  • Ues Ahuja LLC39 clinicians in the group
  • Hancock Emergency Group LLC27 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Mississippi →

Other emergency medicine doctors in Bay Saint Louis

Clinicians with the same Medicare primary specialty in Bay Saint Louis, MS — not a recommendation.

All emergency medicine doctors in Bay Saint Louis →

Other clinicians in Emergency Professional Services, Inc.

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

Clinician information

CredentialDO
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972982668
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