Knee
Dr. John Tierney, DO
Dr. John Tierney is a board-certified orthopedic surgeon practicing in Dedham, Massachusetts. A Medicare provider since 2006, Dr. Tierney has performed 19 Medicare-verified knee replacements, ranking #134 in Massachusetts.
In Massachusetts, Dr. Tierney performs below average in knee (19 vs 51 avg).
Dr. Tierney's Medicare data shows a focused knee replacement practice with 19 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Dr. Tierney is the only orthopedic surgeon in Dedham represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Tierney extend back to 2014, covering 7 years of data. Over that period, recorded procedure volume increased from 11 to 19 in the most recent data, a 73% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Tierney's 19 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Medicare Cases
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.
How Dr. Tierney Compares
Procedure volume compared to the Massachusetts state average.
Contact & Location
Dedham, MA 02026
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Tierney's Medicare-recorded procedure volume has trended upward over 7 years, increasing 73% from 11 procedures in 2014 to 19 in the most recent data.
Hospital Affiliations & Quality
Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.
Patient Resources: Preparing for Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full knee replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Tierney
How does Dr. Tierney's procedure volume compare to other Massachusetts surgeons?
Dr. Tierney has performed 19 Medicare-verified joint replacement procedures. The Massachusetts average is 74 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Tierney ranks #168 out of 202 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Tierney perform?
Dr. Tierney's reported Medicare volume is focused on knee replacement, with 19 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Where is Dr. Tierney's practice located?
Dr. Tierney practices in Dedham, Massachusetts. The office is located at 200 Providence Hwy, Dedham, MA 02026. Patients in the surrounding area can consult Dr. Tierney for joint replacement evaluation.
What does the Medicare data for Dr. Tierney represent?
The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Tierney's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 19 procedures shown here.
Has Dr. Tierney's procedure volume changed over time?
Yes. Dr. Tierney's Medicare-recorded volume has increased from 11 procedures in 2014 to 19 in the most recent data, a 73% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 25 procedures in 2018.
Which hospitals is Dr. Tierney affiliated with?
According to CMS facility affiliation data, Dr. Tierney is affiliated with Nantucket Cottage Hospital, New England Baptist Hospital.
What are the quality ratings for hospitals where Dr. Tierney practices?
New England Baptist Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Patient Reviews & Ratings
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