Jennifer Nakamatsu, MD

Medicare activity in 2024

Official CMS public-use data for Jennifer Nakamatsu, 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. Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th (G0316)182 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)134 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)47 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)29 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 disease74%
• Arthritis59%
• Diabetes53%
• Alzheimer's disease or dementia53%

Hospitals where Jennifer Nakamatsu works

Medicare's Facility Affiliation Data lists Jennifer Nakamatsu 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.

• 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 Jennifer Nakamatsu is enrolled with Medicare (CMS data updated October 2, 2026).

• 1301 Punchbowl StHonolulu, HI 96813
• 1380 Lusitana StHonolulu, HI 96813
• 91 -2127 Fort Weaver RdEwa Beach, HI 96706 (808) 691‑3000

Group practices

Medicare enrollment lists Jennifer Nakamatsu as a member of this group (CMS data updated October 2, 2026).

• Queens University Medical Group614 clinicians in the group

Specialties

• Geriatric Medicineprimary
• Internal Medicinealso

Find other Geriatric Medicine doctors in Hawaii →

Other geriatricians in Honolulu

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

• Susan C. Price, MD
• Brita B. Aramaki, MD
• Jessica S. Barry, MD
• Gina Y. Fujikami, MD
• Marina Hitosugi-Levesque, MD
• Gerri D. Sylvester, MD
• Sarah M. Racsa, MD
• Serena H. Lo, MD

All geriatricians in Honolulu →

Other clinicians in Queens University Medical Group

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

• Zia R. Khan, MD
• Jee E. Lee, NP
• Abigail A. Younger, NP
• Mariko K. Johnson, MD
• Maria Rodriguez, MD
• Dexter M. Wong, 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