Jamie F. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Jamie F. Nguyen, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)139 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)79 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)75 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)59 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%
• Chronic kidney disease57%
• Arthritis55%
• Diabetes54%
• Ischemic heart disease39%

Hospitals where Jamie F. Nguyen works

Medicare's Facility Affiliation Data lists Jamie F. Nguyen 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.

• West Jefferson Medical CenterMarrero, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190039

Practice locations

Addresses where Jamie F. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

• 1101 Medical Ctr BlvdMarrero, LA 70072 (504) 347‑5511
• 1111 Medical Ctr Blvd, Suite S250Marrero, LA 70072 (504) 349‑6945

Group practices

Medicare enrollment lists Jamie F. Nguyen as a member of this group (CMS data updated October 2, 2026).

• WJH Physician Services15 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Louisiana →

Other internal medicine doctors in Marrero

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

• Kieran C. Stober, MD
• Vickie A. Nguyen, MD
• Doree Morison, DO
• Maggie W. Butler, MD
• Alan J. Bowers, MD
• Marvin P. Dair, MD
• William L. Kemp, MD
• Joy Fesen, MD

All internal medicine doctors in Marrero →

Other clinicians in WJH Physician Services

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

• Alison Key, MD
• Alyson Salling, NP
• Caroline S. Smith, MD
• Charles J. Ballay Ii, MD
• Andrea D. Germond, MD
• Eugenio C. Labadie, 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