Knee
Dr. John McCallum, M.D.
Dr. John McCallum is a board-certified orthopedic surgeon practicing in Hamden, Connecticut. A Medicare provider since 2005, Dr. McCallum has performed 106 Medicare-verified knee replacements, ranking #1 in Connecticut.
In Connecticut, Dr. McCallum performs well above average in knee (106 vs 34 avg).
Dr. McCallum's Medicare data shows a focused knee replacement practice with 106 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.
Beyond general orthopedic surgery, Dr. McCallum holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Hamden is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Hamden area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. McCallum extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 90 to 106 in the most recent data, a 18% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. McCallum's 106 verified procedures is more than 2x the national average of 45.
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. McCallum Compares
Procedure volume compared to the Connecticut state average.
Contact & Location
Hamden, CT 06518
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. McCallum's Medicare-recorded procedure volume has trended upward over 11 years, increasing 18% from 90 procedures in 2013 to 106 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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. McCallum
How does Dr. McCallum's procedure volume compare to other Connecticut surgeons?
Dr. McCallum has performed 106 Medicare-verified joint replacement procedures. This is more than 2x the Connecticut average of 47 procedures per surgeon. Dr. McCallum ranks #9 out of 101 orthopedic surgeons in Connecticut.
What types of joint replacement does Dr. McCallum perform?
Dr. McCallum's reported Medicare volume is focused on knee replacement, with 106 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. McCallum with knee replacement surgery?
Dr. McCallum ranks #1 in Connecticut for knee replacement with 106 Medicare-verified procedures. This high ranking among 101 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. McCallum in Hamden?
Yes. There are 11 orthopedic surgeons in Hamden 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 Connecticut surgeons.
What does the Medicare data for Dr. McCallum 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. McCallum's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 106 procedures shown here.
Has Dr. McCallum's procedure volume changed over time?
Yes. Dr. McCallum's Medicare-recorded volume has increased from 90 procedures in 2013 to 106 in the most recent data, a 18% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 163 procedures in 2017.
Which hospitals is Dr. McCallum affiliated with?
According to CMS facility affiliation data, Dr. McCallum is affiliated with Midstate Medical Center.
How does Dr. McCallum compare to other orthopedic surgeons in Hamden?
Among the 11 orthopedic surgeons in Hamden, Dr. McCallum ranks #1 by total Medicare procedure volume. Dr. McCallum has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. McCallum practices?
Midstate Medical Center (4 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.
Other Orthopedic Surgeons in Hamden, Connecticut
Dr. McCallum's 106 Medicare procedures are above the Hamden average of 55. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hamden.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Irving | 85 | Hip, Knee |
| Dr. Stephen Nelson | 82 | Hip, Knee |
| Dr. Kenoma Anighoro | 33 | Hip, Knee |
| Dr. John Daigneault | 33 | Shoulder |
| Dr. Eric Padegimas | 26 | Shoulder |
| Dr. David Gibson | 21 | Knee |
Patient Reviews & Ratings
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