Dr. Thomas John, M.D.
Dr. Thomas John is a board-certified orthopedic surgeon practicing in Hackensack, New Jersey. A Medicare provider since 2007, Dr. John has performed 83 Medicare-verified knee replacements (#26 in New Jersey) and 31 hip replacements, for a combined total of 114 procedures.
In New Jersey, Dr. John performs above average in knee (83 vs 53 avg), below average in hip (31 vs 42 avg).
Dr. John's reported Medicare volume is split between knee replacements (83 cases) and hip replacements (31 cases).
Hackensack is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Hackensack area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. John extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 36 to 114 in the most recent data, a 217% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. John's 83 verified procedures is above 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. John Compares
Procedure volume compared to the New Jersey state average.
Contact & Location
Hackensack, NJ 07601
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. John's Medicare-recorded procedure volume has trended upward over 10 years, increasing 217% from 36 procedures in 2014 to 114 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. John
How does Dr. John's procedure volume compare to other New Jersey surgeons?
Dr. John has performed 114 Medicare-verified joint replacement procedures. This is significantly above the New Jersey average of 71 procedures per surgeon. Dr. John ranks #38 out of 182 orthopedic surgeons in New Jersey.
What types of joint replacement does Dr. John perform?
Dr. John's Medicare data shows procedures in knee replacement (83 cases) and hip replacement (31 cases).
Are there other orthopedic surgeons near Dr. John in Hackensack?
Yes. There are 8 orthopedic surgeons in Hackensack 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 New Jersey surgeons.
What does the Medicare data for Dr. John 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. John's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 114 procedures shown here.
Has Dr. John's procedure volume changed over time?
Yes. Dr. John's Medicare-recorded volume has increased from 36 procedures in 2014 to 114 in the most recent data, a 217% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 122 procedures in 2022.
Does Dr. John perform more than one type of joint replacement?
Yes. Dr. John's Medicare data shows procedures in knee replacement (83 cases), hip replacement (31 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. John affiliated with?
According to CMS facility affiliation data, Dr. John is affiliated with Hackensack University Medical Center, Hackensack Meridian Health Pascack Valley Medical, Hackensack Meridian Mountainside Medical, St Joseph'S University Medical Center Inc, Holy Name Medical Center.
How does Dr. John compare to other orthopedic surgeons in Hackensack?
Among the 8 orthopedic surgeons in Hackensack, Dr. John ranks #1 by total Medicare procedure volume. Dr. John has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. John practices?
Hackensack University Medical Center (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Hackensack Meridian Health Pascack Valley Medical (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Hackensack Meridian Mountainside Medical (3 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 Hackensack, New Jersey
Dr. John's 114 Medicare procedures are above the Hackensack average of 56. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hackensack.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. James Cahill | 93 | Hip, Knee |
| Dr. Francis Alberta | 61 | Shoulder |
| Dr. Yair Kissin | 45 | Knee |
| Dr. Luis Grau | 45 | Knee |
| Dr. Stephen Rossman | 18 | Hip |
| Dr. Sivaram Rajan | 16 | Knee |
Patient Reviews & Ratings
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