Lauren K. Oshima, MD

Medicare activity in 2024

Official CMS public-use data for Lauren K. Oshima, 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)268 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)107 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)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 pressure67%
• Chronic kidney disease56%
• Diabetes36%
• Osteoporosis26%
• Arthritis24%

Hospitals where Lauren K. Oshima works

Medicare's Facility Affiliation Data lists Lauren K. Oshima 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
• Kapiolani Medical Center for Women & ChildrenHonolulu, HI · Children's Hospital · Emergency services: listed by Medicare · CCN 123300
• 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 Lauren K. Oshima is enrolled with Medicare (CMS data updated October 2, 2026).

• 1329 Lusitana St, Suite 503Honolulu, HI 96813 (808) 599‑8922

Group practices

Medicare enrollment lists Lauren K. Oshima as a member of this group (CMS data updated October 2, 2026).

• Honolulu Primary Care Associates LLC2 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Hawaii →

Other internal medicine doctors in Honolulu

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

• Benjamin B. Morris, DO
• Lance M. Kagihara, MD
• Monsicha Dinh, MD
• Joseph T. Go, MD
• Daniel W. Wu, MD
• Rebekah S. Fu, MD
• Carlos B. Lam, MD
• Todd J. China, MD

All internal medicine doctors in Honolulu →

Other clinicians in Honolulu Primary Care Associates LLC

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

• Laura C. Houk, 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