Katsuya A. Iizuka, MD

Medicare activity in 2024

Official CMS public-use data for Katsuya A. Iizuka, 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)237 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)155 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)87 services
4. Administration of influenza virus vaccine (G0008)27 services
5. Influenza vaccine split virus, preservative free (90662)26 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 pressure63%
• Diabetes28%
• Arthritis25%
• Chronic kidney disease25%
• Atrial fibrillation20%

Hospitals where Katsuya A. Iizuka works

Medicare's Facility Affiliation Data lists Katsuya A. Iizuka 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.

• Kapiolani Medical Center for Women & ChildrenHonolulu, HI · Children's Hospital · Emergency services: listed by Medicare · CCN 123300
• Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120022

Practice locations

Addresses where Katsuya A. Iizuka is enrolled with Medicare (CMS data updated October 2, 2026).

• 1001 Queen St, Suite 102Honolulu, HI 96814 (808) 462‑5200
• 888 S King StHonolulu, HI 96813 (808) 522‑4000
• 888 S King St, Suite 700Honolulu, HI 96813 (808) 522‑4000

Group practices

Medicare enrollment lists Katsuya A. Iizuka as a member of this group (CMS data updated October 2, 2026).

• Straub Clinic and Hospital419 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Hawaii →

Other family doctors in Honolulu

Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.

• Shirley A. Tamoria, MD
• Laura K. Chang, MD
• Januario L. Natanauan, MD
• Kellie Wo, MD
• Emilani J. Crow, MD
• Kellie Kurasaki, MD
• Netley J. Dsouza, MD
• Yoonhwan Roh, MD

All family doctors in Honolulu →

Other clinicians in Straub Clinic and Hospital

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

• Millicent Khaw, MD
• Rebecca L. Krain, MD
• Taryn W. Lee, NP
• David S. Chou, MD
• Ronnie B. Texeira, MD
• Myrna Uytingco, 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