Dr. Michael MacKay, M.D.

Orthopedic Surgery

Dr. Michael MacKay is a board-certified orthopedic surgeon practicing in Oak Ridge, Tennessee. In 2023, Dr. MacKay performed 41 Medicare-verified knee replacements (#65 in Tennessee) and 13 hip replacements, for a combined total of 54 procedures.

Dr. MacKay's 54 Medicare procedures are near the Tennessee median of 46. The state has 203 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.

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

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

Verified Medicare Cases (2023)

Knee Replacement
41 verified cases
#65 in Tennessee
Hip Replacement
13 verified cases
#100 in Tennessee
Estimated total: 150 – 160 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.

Hospital Affiliations

H
Methodist Medical Center Of Oak Ridge
Oak Ridge, TN
H
Roane Medical Center
Harriman, TN
H
Parkwest Medical Center
Knoxville, TN

Verified Case Volume Trends (2013-2023)

Frequently Asked Questions About Dr. MacKay

How does Dr. MacKay's procedure volume compare to other Tennessee surgeons?

In 2023, Dr. MacKay performed 54 Medicare-verified joint replacement procedures. This is in line with the Tennessee average of 65 procedures per surgeon. Dr. MacKay ranks #91 out of 203 orthopedic surgeons in Tennessee.

What types of joint replacement does Dr. MacKay perform?

Dr. MacKay's Medicare data shows procedures in knee replacement (41 cases) and hip replacement (13 cases).

Are there other orthopedic surgeons near Dr. MacKay in Oak Ridge?

Yes. There are 3 orthopedic surgeons in Oak Ridge 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 Tennessee surgeons.

What does the Medicare data for Dr. MacKay 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. MacKay's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 54 procedures shown here.

Other Orthopedic Surgeons in Oak Ridge, Tennessee

Compare Dr. MacKay's volume with other surgeons practicing in Oak Ridge.

SurgeonProceduresSpecialties
Dr. Patrick Moody 49 Hip, Knee
Dr. Randall Robbins 43 Knee

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Contact & Location

📞 Phone: 865-481-2541
90 Vermont Ave
Oak Ridge, TN 37830
NPI: 1710955315
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.