Dr. Calvin Oishi, M.D.

Orthopedic Surgery

Dr. Calvin Oishi is a board-certified orthopedic surgeon practicing in Aiea, Hawaii. In 2023, Dr. Oishi performed 34 Medicare-verified knee replacements (#6 in Hawaii) and 15 hip replacements (#9 in Hawaii), for a combined total of 49 procedures. All counts reflect Medicare fee-for-service cases, representing approximately 33–37% of total joint replacement volume nationwide.

Verified Medicare Cases (2023)

Knee Replacement
34 verified cases
#6 in Hawaii
Hip Replacement
15 verified cases
#9 in Hawaii

Verified Case Volume Trends (2013-2024)

Questions to Ask Dr. Oishi

Medicare volume represents only a portion of a surgeon's practice.

Recommended Script:

"Dr. Oishi, I see your Medicare volume is lower—what percentage of your practice is private insurance or sports medicine? Approximately how many total joint replacements do you perform annually?"

Preparing for Surgery?

Browse recommended recovery products for knee replacement

View Recovery Products

Contact & Location

📞 Phone: 808-484-2042
98-1247 Kaahumanu Street
Aiea, HI 96701
NPI: 1194776880
Credentials: M.D.
✅ Active Medicare provider (NPI verified)
📅 20 years of practice experience
🎓 Licensed M.D.
🏥 Licensed surgical specialist
🦴 Board-certified orthopedic surgeon
📞 Contact information available
Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately 33-37% of all joint replacement procedures nationwide (63% of Medicare fee-for-service). Always consult with healthcare providers to make informed decisions about your care.