Ethan T. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Ethan T. 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)292 services
2. Assessment of emotional or behavioral problems (96127)73 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)40 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)31 services
5. Removal of impacted ear wax by washing (69209)14 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%
• Arthritis32%
• Diabetes27%
• Chronic kidney disease25%
• Ischemic heart disease22%

Hospitals where Ethan T. Nguyen works

Medicare's Facility Affiliation Data lists Ethan T. 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.

• Tri-City Medical CenterOceanside, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050128

Practice locations

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

• 145 Thunder DrVista, CA 92083 (760) 941‑9002

Group practices

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

• Beaver Medical Group P C247 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Vista

Clinicians with the same Medicare primary specialty in Vista, CA — not a recommendation.

• Maryam Barangi, MD
• Michelle P. Zhang
• Sam Baroudi, MD
• Mark C. Obrien, DO
• Andrew Hall, MD
• Steven K. Yale, MD
• John H. Clancy, DO
• Sheri Tran, MD

All internal medicine doctors in Vista →

Other clinicians in Beaver Medical Group P C

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

• Suzanne E. Enloe Whitaker, DO
• Emmanuel K. Baidoo, DO
• Angela J. Rabelhofer, MD
• Saad G. Aldaoud, MD
• Ken Stanley, MD
• Jeh Yung, 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