Tiffany L. Tsai, MD

Medicare activity in 2024

Official CMS public-use data for Tiffany L. Tsai, 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 scan head or brain without contrast (70450)517 services
2. X-ray of chest, 2 views (71046)485 services
3. X-ray of chest, 1 view (71045)462 services
4. Mri scan of brain before and after contrast (70553)286 services
5. Mri scan of brain without contrast (70551)211 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%
• Arthritis60%
• Ischemic heart disease34%
• Diabetes29%
• Chronic kidney disease28%

Hospitals where Tiffany L. Tsai works

Medicare's Facility Affiliation Data lists Tiffany L. Tsai 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.

• Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
• Hoag Orthopedic InstituteIrvine, CA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 050769
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Tiffany L. Tsai is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Hoag DrNewport Beach, CA 92663 (949) 645‑3534
• 360 San Miguel Dr, Suite 105and106Newport Beach, CA 92660 (949) 365‑3534

Group practices

Medicare enrollment lists Tiffany L. Tsai as a member of these groups (CMS data updated October 2, 2026).

• Newport Harbor Radiology Associates Medical Group Inc70 clinicians in the group
• Newport Center Radiology Associates Medical Group Inc59 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Newport Beach

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

• Thomas E. Velling, MD
• Trushar J. Patel, MD
• Saghi Samadi, MD
• Avinash Mesipam, MD
• Loay Muftah, MD
• Katherine Cecil, MD
• Zaihleen S. Keller, MD
• Alexander S. Misono, MD

All radiologists in Newport Beach →

Other clinicians in Newport Harbor Radiology Associates Medical Group Inc

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

• Tust Techasith, MD
• Thomas E. Velling, MD
• Trushar J. Patel, MD
• William J. Vandalsem, MD
• Edwina M. Chang, MD
• Jinsoo A. Keyoung, 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