Vivian J. Tanaka, MD

Medicare activity in 2024

Official CMS public-use data for Vivian J. Tanaka, 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. Anesthesia for lens surgery (00142)16 services
2. Anesthesia for exam of colon using an endoscope (00812)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 cholesterol75%
• High blood pressure73%
• Arthritis55%
• Diabetes31%
• Ischemic heart disease27%
• Chronic kidney disease25%

Hospitals where Vivian J. Tanaka works

Medicare's Facility Affiliation Data lists Vivian J. Tanaka 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 Orthopedic InstituteIrvine, CA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 050769
• Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050069

Practice locations

Addresses where Vivian J. Tanaka is enrolled with Medicare (CMS data updated October 2, 2026).

• 1100 W Stewart DrOrange, CA 92868 (714) 744‑8700
• 17 Corporate Plaza Dr, Suite 120Newport Beach, CA 92660 (949) 706‑6300

Group practices

Medicare enrollment lists Vivian J. Tanaka as a member of this group (CMS data updated October 2, 2026).

• Allied Anesthesia Medical Group Inc191 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in California →

Other anesthesiologists in Orange

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

• Afshin Shabanie, MD
• Manoj A. Kulkarni, MD
• Nahee Lee, MD
• Benjamin Kuo, MD
• Joseph H. Kim, MD
• Howard S. Finn, MD
• Howard J. Zee, MD
• Tina N. Vajdi, MD

All anesthesiologists in Orange →

Other clinicians in Allied Anesthesia Medical Group Inc

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

• Caleb P. Chu, MD
• Afshin Shabanie, MD
• Manoj A. Kulkarni, MD
• Amy O. Soleta, MD
• Jennifer A. Smart-Abbey, MD
• Andrew Chen, DO

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