Dr. Michael Marchetti, M.D.
Contact & Location
Hingham, MA 02043
Dr. Michael Marchetti is a board-certified orthopedic surgeon practicing in Hingham, Massachusetts. A Medicare provider since 2006, Dr. Marchetti has completed 50 shoulder replacements (#7 in Massachusetts), 30 knee replacements, and 17 hip replacements, totaling 97 Medicare-verified procedures.
In Massachusetts, Dr. Marchetti performs above average in shoulder (50 vs 35 avg), below average in knee (30 vs 50 avg), below average in hip (17 vs 44 avg).
Dr. Marchetti performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is shoulder replacements (50 cases), followed by knee replacements (30) and hip replacements (17).
Beyond general orthopedic surgery, Dr. Marchetti holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
Hingham is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Hingham area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Marchetti extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 22 to 97 in the most recent data, a 341% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,213 shoulder replacement surgeons tracked nationally, Dr. Marchetti's 50 verified procedures is above the national average of 29.
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. Marchetti Compares
Procedure volume compared to the Massachusetts state average.
Volume Trend Analysis
Dr. Marchetti's Medicare-recorded procedure volume has trended upward over 12 years, increasing 341% from 22 procedures in 2013 to 97 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 Shoulder Replacement
If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:
Evidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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.
Shoulder Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Marchetti
How does Dr. Marchetti's procedure volume compare to other Massachusetts surgeons?
Dr. Marchetti has performed 97 Medicare-verified joint replacement procedures. This is in line with the Massachusetts average of 74 procedures per surgeon. Dr. Marchetti ranks #60 out of 203 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Marchetti perform?
Dr. Marchetti performs all three major joint replacement procedures: shoulder replacement (50 cases), knee replacement (30 cases), hip replacement (17 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
How experienced is Dr. Marchetti with shoulder replacement surgery?
Dr. Marchetti ranks #7 in Massachusetts for shoulder replacement with 50 Medicare-verified procedures. This high ranking among 203 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Marchetti in Hingham?
Yes. There are 5 orthopedic surgeons in Hingham 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 Massachusetts surgeons.
What does the Medicare data for Dr. Marchetti 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. Marchetti's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 97 procedures shown here.
Has Dr. Marchetti's procedure volume changed over time?
Yes. Dr. Marchetti's Medicare-recorded volume has increased from 22 procedures in 2013 to 97 in the most recent data, a 341% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 97 procedures in 2024.
Does Dr. Marchetti perform more than one type of joint replacement?
Yes. Dr. Marchetti's Medicare data shows procedures in shoulder replacement (50 cases), knee replacement (30 cases), hip replacement (17 cases). Performing all three major joint replacements places Dr. Marchetti among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
Which hospitals is Dr. Marchetti affiliated with?
According to CMS facility affiliation data, Dr. Marchetti is affiliated with South Shore Hospital.
How does Dr. Marchetti compare to other orthopedic surgeons in Hingham?
Among the 5 orthopedic surgeons in Hingham, Dr. Marchetti ranks #2 by total Medicare procedure volume. Dr. Marchetti is among the highest-volume surgeons in Hingham.
What are the quality ratings for hospitals where Dr. Marchetti practices?
South Shore 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 Hingham, Massachusetts
Dr. Marchetti's 97 Medicare procedures are above the Hingham average of 76. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hingham.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Michael Ayers | 175 | Hip, Knee |
| Dr. Michael Rowland | 56 | Hip, Knee |
| Dr. Owen McConville | 34 | Knee |
| Dr. Michael Geary | 18 | Knee |
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.