Dr. John McInnis, M.D.

Orthopedic Surgery

Dr. John McInnis is a board-certified orthopedic surgeon practicing in Concord, Massachusetts. In 2023, Dr. McInnis performed 70 Medicare-verified knee replacements (#39 in Massachusetts) and 22 hip replacements, for a combined total of 92 procedures.

Dr. McInnis's combined volume of 92 procedures places them above the Massachusetts statewide average of 74. Among 202 orthopedic surgeons in Massachusetts, Dr. McInnis ranks #61 overall.

Dr. McInnis's practice is heavily focused on knee replacement surgery, which accounts for 76% of reported Medicare volume.

Concord is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Concord area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Verified Medicare Cases (2023)

Knee Replacement
70 verified cases
#39 in Massachusetts
Hip Replacement
22 verified cases
#82 in Massachusetts
Estimated total: 250 – 280 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
How is this estimated?

Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.

Verified Case Volume Trends (2013-2023)

Frequently Asked Questions About Dr. McInnis

How does Dr. McInnis's procedure volume compare to other Massachusetts surgeons?

In 2023, Dr. McInnis performed 92 Medicare-verified joint replacement procedures. This is in line with the Massachusetts average of 74 procedures per surgeon. Dr. McInnis ranks #61 out of 202 orthopedic surgeons in Massachusetts.

What types of joint replacement does Dr. McInnis perform?

Dr. McInnis's Medicare data shows procedures in knee replacement (70 cases) and hip replacement (22 cases).

Are there other orthopedic surgeons near Dr. McInnis in Concord?

Yes. There are 3 orthopedic surgeons in Concord in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all Massachusetts surgeons.

What does the Medicare data for Dr. McInnis represent?

The procedure counts shown are based on Medicare Part B fee-for-service claims data for 2023, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. McInnis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 92 procedures shown here.

Other Orthopedic Surgeons in Concord, Massachusetts

Compare Dr. McInnis's volume with other surgeons practicing in Concord.

SurgeonProceduresSpecialties
Dr. Matthew Sloan 70 Hip, Knee
Dr. Paul Re 28 Shoulder

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Contact & Location

📞 Phone: 978-369-5391
54 Baker Avenue Ext
Concord, MA 01742
NPI: 1083680078
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.