Dr. Mark Oyer, MD

Orthopedic Surgery

Dr. Mark Oyer is a board-certified orthopedic surgeon practicing in Rockford, Illinois. In 2023, Dr. Oyer performed 131 Medicare-verified knee replacements (#12 in Illinois) and 82 hip replacements (#21 in Illinois), for a combined total of 213 procedures. This places Dr. Oyer among the highest-volume joint replacement surgeons in Illinois.

Verified Medicare Cases (2023)

Knee Replacement
131 verified cases
#12 in Illinois
Hip Replacement
82 verified cases
#21 in Illinois

Verified Case Volume Trends (2013-2024)

Questions to Ask Dr. Oyer

This surgeon has high Medicare volume (213 verified cases). This indicates significant experience.

Recommended Script:

"Dr. Oyer, since you handle such high volume, what is your specific infection rate compared to the national average? Do you have a dedicated team for post-op recovery?"

Preparing for Surgery?

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Contact & Location

📞 Phone: 815-398-9491
5875 E Riverside Blvd
Rockford, IL 61114
NPI: 1679968812
Credentials: MD
✅ Active Medicare provider (NPI verified)
📅 11 years of practice experience
🎓 Licensed MD
🏥 Licensed surgical specialist
🦴 Board-certified orthopedic surgeon
📞 Contact information available

Other Top Illinois Orthopedic Surgeons

Dr. Scott Sporer - Winfield 371 procedures
Dr. Denis Nam - Chicago 308 procedures
Dr. Vasili Karas - Chicago 269 procedures
Dr. Raju Ghate - Chicago 256 procedures

Browse Illinois by Procedure

Hip Replacement Surgeons Knee Replacement Surgeons Shoulder Replacement Surgeons
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.
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