Dr. John McCallum, M.D.
Contact & Location
Hamden, CT 06518
Dr. John McCallum is a board-certified orthopedic surgeon practicing in Hamden, Connecticut. A Medicare provider since 2005, Dr. McCallum has performed 81 Medicare-verified knee replacements, ranking #2 in Connecticut.
In Connecticut, Dr. McCallum performs well above average in knee (81 vs 33 avg).
Dr. McCallum's Medicare data shows a focused knee replacement practice with 81 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 8 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.
Dr. McCallum's Medicare data spans 12 years, beginning in 2013. Volume peaked at 163 procedures in 2017 before settling at 81 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,599 knee replacement surgeons tracked nationally, Dr. McCallum's 81 verified procedures is above the national average of 45.
Verified Case Volume Trends (2013-Current)
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.
Volume Trend Analysis
Dr. McCallum's recorded volume peaked at 163 procedures in 2017 and stood at 81 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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 81 Medicare-verified joint replacement procedures. This is significantly above the Connecticut average of 49 procedures per surgeon. Dr. McCallum ranks #20 out of 94 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 81 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 #2 in Connecticut for knee replacement with 81 Medicare-verified procedures. This high ranking among 94 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. McCallum in Hamden?
Yes. There are 8 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 81 procedures shown here.
Has Dr. McCallum's procedure volume changed over time?
Dr. McCallum's Medicare-recorded volume peaked at 163 procedures in 2017 and was 81 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
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 8 orthopedic surgeons in Hamden, Dr. McCallum ranks #2 by total Medicare procedure volume. Dr. McCallum is among the highest-volume surgeons in Hamden.
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 81 Medicare procedures are above the Hamden average of 50. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hamden.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Stephen Nelson | 81 | Hip, Knee |
| Dr. John Irving | 69 | Hip, Knee |
| Dr. Eric Padegimas | 45 | Shoulder |
| Dr. John Daigneault | 33 | Shoulder |
| Dr. Derek Shia | 23 | Shoulder |
| Dr. Kenoma Anighoro | 16 | Hip |
Patient Resources & Verification
Research reviews, verify credentials, and check official quality data through these trusted sources:
Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.