Dr. Justin Sherfey is a board-certified orthopedic surgeon practicing in Lancaster, California. In 2023, Dr. Sherfey performed 15 Medicare-verified knee replacements, ranking #410 in California. Procedure counts are based on Medicare fee-for-service data for 2023.
Verified Medicare Cases (2023)
Knee Replacement
15 verified cases
Verified Case Volume Trends (2013-2024)
Questions to Ask Dr. Sherfey
Medicare volume represents only a portion of a surgeon's practice.
Recommended Script:
"Dr. Sherfey, 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 ProductsContact & Location
📞 Phone: 661-726-5005
42135 10th St W Ste 101
Lancaster, CA 93534
Lancaster, CA 93534
NPI: 1689786873
Credentials: DO
✅ Active Medicare provider (NPI verified)
📅 20 years of practice experience
🎓 Licensed DO
🏥 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.