Dr. Donald Longjohn is a board-certified orthopedic surgeon practicing in Los Angeles, California. In 2023, Dr. Longjohn performed 32 Medicare-verified knee replacements (#225 in California) and 17 hip replacements (#240 in California), 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)
Verified Case Volume Trends (2013-2024)
Questions to Ask Dr. Longjohn
Medicare volume represents only a portion of a surgeon's practice.
Recommended Script:
"Dr. Longjohn, 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?"
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Los Angeles, CA 90033