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Internal Medicine

Erin T. Lasseigne, MD

Works at hospitals in Lafayette, LA · Louisiana

Summary

Dr. Erin T. Lasseigne, MD is an internal medicine doctor at 4801 Ambassador Caffery Pkwy, Lafayette, LA 70508. Phone: (337) 470-2990. Accepts Medicare assignment. In 2024, Erin T. Lasseigne had 145 Original Medicare patients and 490 services. NPI 1053533075. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 4801 Ambassador Caffery Pkwy, Lafayette, LA 70508 · Directions
  • Phone: (337) 470‑2990
  • Medicare: Accepts Medicare assignment
  • Hospital: Our Lady of Lourdes Regional Medical Center, Inc
  • Group practice: Lourdes Physician Group LLC
  • Medical school: Louisiana State University School Of Medicine In Shreveport · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Erin T. Lasseigne, 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 Erin T. Lasseigne accept Medicare assignment?
Yes. Medicare's clinician data says Erin T. Lasseigne 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 Erin T. Lasseigne see?
In 2024, CMS data shows 145 Original Medicare patients and 490 services for Erin T. Lasseigne. This counts Original Medicare only and measures volume, not quality.
What is Erin T. Lasseigne's NPI number?
1053533075. 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 Erin T. Lasseigne, 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 patients145
Services billed to Medicare490
Different services or procedures9
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)335 services
  2. Hospital discharge day management, more than 30 minutes (99239)49 services
  3. Hospital discharge day management, 30 minutes or less (99238)38 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)32 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)20 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%
  • Arthritis50%
  • Ischemic heart disease50%
  • Diabetes48%
  • Chronic kidney disease46%

Hospitals where Erin T. Lasseigne works

Medicare's Facility Affiliation Data lists Erin T. Lasseigne 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 Erin T. Lasseigne is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Erin T. Lasseigne as a member of this group (CMS data updated October 2, 2026).

  • Lourdes Physician Group LLC155 clinicians in the group

Specialties

Find other Internal Medicine doctors in Louisiana →

Other internal medicine doctors in Lafayette

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

All internal medicine doctors in Lafayette →

Other clinicians in Lourdes Physician Group 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 year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053533075
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