Dr. Michael Harrer, M.D.
Dr. Michael Harrer is a board-certified orthopedic surgeon practicing in Marlton, New Jersey. A Medicare provider since 2006, Dr. Harrer has performed 121 Medicare-verified knee replacements (#16 in New Jersey) and 71 hip replacements, for a combined total of 192 procedures.
In New Jersey, Dr. Harrer performs well above average in knee (121 vs 53 avg), above average in hip (71 vs 42 avg).
Dr. Harrer's reported Medicare volume is split between knee replacements (121 cases) and hip replacements (71 cases).
Marlton is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Marlton area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Harrer extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 144 to 192 in the most recent data, a 33% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Harrer's 121 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. Harrer Compares
Procedure volume compared to the New Jersey state average.
Contact & Location
Marlton, NJ 08053
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Harrer's Medicare-recorded procedure volume has trended upward over 11 years, increasing 33% from 144 procedures in 2013 to 192 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. Harrer
How does Dr. Harrer's procedure volume compare to other New Jersey surgeons?
Dr. Harrer has performed 192 Medicare-verified joint replacement procedures. This is more than 2x the New Jersey average of 71 procedures per surgeon. Dr. Harrer ranks #19 out of 182 orthopedic surgeons in New Jersey.
What types of joint replacement does Dr. Harrer perform?
Dr. Harrer's Medicare data shows procedures in knee replacement (121 cases) and hip replacement (71 cases).
How experienced is Dr. Harrer with knee replacement surgery?
Dr. Harrer ranks #16 in New Jersey for knee replacement with 121 Medicare-verified procedures. This high ranking among 182 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Harrer in Marlton?
Yes. There are 2 orthopedic surgeons in Marlton 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. Harrer 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. Harrer's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 192 procedures shown here.
Has Dr. Harrer's procedure volume changed over time?
Yes. Dr. Harrer's Medicare-recorded volume has increased from 144 procedures in 2013 to 192 in the most recent data, a 33% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 219 procedures in 2016.
Does Dr. Harrer perform more than one type of joint replacement?
Yes. Dr. Harrer's Medicare data shows procedures in knee replacement (121 cases), hip replacement (71 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Harrer affiliated with?
According to CMS facility affiliation data, Dr. Harrer is affiliated with Jefferson Stratford Hospital, West Jersey Hospital.
What are the quality ratings for hospitals where Dr. Harrer practices?
Jefferson Stratford Hospital (2 out of 5 CMS stars, hip/knee complication rate similar to national average); West Jersey Hospital (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 Marlton, New Jersey
Dr. Harrer's 192 Medicare procedures are below the Marlton average of 220. The table below compares verified procedure volumes for orthopedic surgeons practicing in Marlton.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. David Nazarian | 248 | Hip, Knee |
Patient Reviews & Ratings
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