David A. Naai, MD

Medicare activity in 2024

Official CMS public-use data for David A. Naai, 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. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)417 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)330 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)222 services
4. Dialysis services, 2-3 physician visits per month (20 years or older) (90961)197 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)178 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%
• Chronic kidney disease75%
• Diabetes68%
• Ischemic heart disease49%
• Heart failure40%

Hospitals where David A. Naai works

Medicare's Facility Affiliation Data lists David A. Naai 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.

• Adventist Health CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
• Kahuku Medical CenterKahuku, HI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 121304
• Kuakini Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120007
• Pali Momi Medical CenterAiea, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120026
• The Queens Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120001

Practice locations

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

• 642 Ulukahiki St, Suite 211Kailua, HI 96734 (808) 744‑9429

Specialties

• Nephrologyprimary

Find other Nephrology doctors in Hawaii →

Other nephrologists in Hawaii

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

• Janina Paula T. Sy-Go, MD
• Thomas Chen, MD
• Shukri Osman, MD
• Ranka Samsa, MD
• Duarxy R. Sainvilien, MD
• Alex J. Carlos Jr., MD
• Kalani T. Yamamoto, MD
• Kristen P. Tamura, MD

All nephrologists in Hawaii →

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