Steven M. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Steven M. 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. Ct guidance for insertion of radiation therapy fields (77014)180 services
2. Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)179 services
3. Radiation treatment management, 5 treatment sessions (77427)36 services
4. Continuing radiation therapy consultation per week (77336)28 services
5. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• Diabetes40%
• Ischemic heart disease34%
• Arthritis28%

Hospitals where Steven M. Nguyen works

Medicare's Facility Affiliation Data lists Steven M. 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.

• AdventHealth OrlandoOrlando, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100007
• Maui Memorial Medical CenterWailuku, HI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 120002

Practice locations

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

• 227 Mahalani StWailuku, HI 96793 (808) 249‑1600

Group practices

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

• Pacific Cancer Institute LLC2 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in Hawaii →

Other radiation oncologists in Hawaii

Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.

• Benjamin Falit, MD
• Mark D. Mayeda, MD
• Jared Hara, MD
• Christina K. Speirs
• Patrick Jewell, MD
• Mark T. Kanemori, MD
• John L. Lederer, MD
• Diana Lu, MD

All radiation oncologists in Hawaii →

Other clinicians in Pacific Cancer Institute LLC

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

• Benjamin Falit, 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