Brett J. Lewis, MD

Medicare activity in 2024

Official CMS public-use data for Brett J. Lewis, 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.

Most frequent services

1. Emergency department visit with high level of medical decision making (99285)258 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)143 services
3. Emergency department visit with moderate level of medical decision making (99284)78 services
4. Critical care, first 30-74 minutes (99291)28 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%
• Arthritis48%
• Depression45%
• Anxiety45%
• Diabetes44%

Hospitals where Brett J. Lewis works

Medicare's Facility Affiliation Data lists Brett J. Lewis 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.

• Lane Regional Medical CenterZachary, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190020

Practice locations

Addresses where Brett J. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).

• 5000 Hennessy BlvdBaton Rouge, LA 70808 (225) 765‑8826
• 6300 Main StZachary, LA 70791 (225) 658‑4335

Group practices

Medicare enrollment lists Brett J. Lewis as a member of these groups (CMS data updated October 2, 2026).

• Professional Emergency Physician Associates, LLC79 clinicians in the group
• Acs Primary Care Physicians Louisiana PC24 clinicians in the group
• East Baton Rouge Emergency Physicians Group, LLC7 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Louisiana →

Other emergency medicine doctors in Baton Rouge

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

• Thuytien T. Do, MD
• John P. Lona, MD
• Ashlyn K. Bergeron, MD
• James M. Rhorer, MD
• Susan D. Taylor, MD
• Kendall I. Moore, MD
• Lauren N. Davezac, MD
• Monte A. Thames, MD

All emergency medicine doctors in Baton Rouge →

Other clinicians in Professional Emergency Physician Associates, LLC

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

• Brittni I. Ray, NP
• Chloe C. Ramich, PA
• John P. Lona, MD
• Alexandra Gremillion, PA
• Lisa A. Fell, NP
• Mitchell Guedry, MD

Clinician information

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