Toan T. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Toan 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,076 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)233 services
3. Hospital discharge day management, more than 30 minutes (99239)210 services
4. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)25 services
5. Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)22 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%
• Arthritis62%
• Diabetes46%
• Ischemic heart disease43%
• Chronic kidney disease43%

Hospitals where Toan T. Nguyen works

Medicare's Facility Affiliation Data lists Toan 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.

• Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485

Practice locations

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

• 2865 Atlantic Ave, Suite 226Long Beach, CA 90806 (562) 270‑4050

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Long Beach

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

• Ravi K. Solanki, DO
• Tracy Y. Driver, MD
• Jesse J. Licuanan, MD
• Debby Chung, MD
• Bhavik V. Thakkar, MD
• Rodolfo Ibarra, MD
• Rasam M. Hosseinian, MD
• Arleen Guerrero-Nieva, MD

All internal medicine doctors in Long Beach →

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