Dr. Matthew Carpenter, M.D.
Dr. Matthew Carpenter is a board-certified orthopedic surgeon practicing in Bismarck, North Dakota. A Medicare provider since 2007, Dr. Carpenter has performed 29 Medicare-verified knee replacements (#18 in North Dakota) and 23 hip replacements, for a combined total of 52 procedures.
In North Dakota, Dr. Carpenter performs below average in knee (29 vs 45 avg), below average in hip (23 vs 41 avg).
Dr. Carpenter's reported Medicare volume is split between knee replacements (29 cases) and hip replacements (23 cases).
Bismarck is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Bismarck area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Carpenter extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 28 to 52 in the most recent data, a 86% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Carpenter's 29 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Carpenter Compares
Procedure volume compared to the North Dakota state average.
Contact & Location
Bismarck, ND 58501
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Carpenter's Medicare-recorded procedure volume has trended upward over 11 years, increasing 86% from 28 procedures in 2013 to 52 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. Carpenter
How does Dr. Carpenter's procedure volume compare to other North Dakota surgeons?
Dr. Carpenter has performed 52 Medicare-verified joint replacement procedures. The North Dakota average is 66 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Carpenter ranks #17 out of 33 orthopedic surgeons in North Dakota.
What types of joint replacement does Dr. Carpenter perform?
Dr. Carpenter's Medicare data shows procedures in knee replacement (29 cases) and hip replacement (23 cases).
How experienced is Dr. Carpenter with knee replacement surgery?
Dr. Carpenter ranks #18 in North Dakota for knee replacement with 29 Medicare-verified procedures. This high ranking among 33 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Carpenter in Bismarck?
Yes. There are 11 orthopedic surgeons in Bismarck 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 North Dakota surgeons.
What does the Medicare data for Dr. Carpenter 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. Carpenter's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 52 procedures shown here.
Has Dr. Carpenter's procedure volume changed over time?
Yes. Dr. Carpenter's Medicare-recorded volume has increased from 28 procedures in 2013 to 52 in the most recent data, a 86% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 76 procedures in 2017.
Does Dr. Carpenter perform more than one type of joint replacement?
Yes. Dr. Carpenter's Medicare data shows procedures in knee replacement (29 cases), hip replacement (23 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Carpenter affiliated with?
According to CMS facility affiliation data, Dr. Carpenter is affiliated with Sanford Medical Center Bismarck.
How does Dr. Carpenter compare to other orthopedic surgeons in Bismarck?
Among the 11 orthopedic surgeons in Bismarck, Dr. Carpenter ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Bismarck has 166 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Carpenter practices?
Sanford Medical Center Bismarck (4 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Bismarck, North Dakota
Dr. Carpenter's 52 Medicare procedures are below the Bismarck average of 99. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bismarck.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Brian Dahl | 166 | Hip, Knee |
| Dr. Derrick Cote | 137 | Hip, Knee, Shoulder |
| Dr. Timothy Bopp | 125 | Hip, Knee |
| Dr. Coridon Huez | 89 | Hip, Knee |
| Dr. Joseph Carlson | 83 | Knee |
| Dr. Chad Carlson | 43 | Knee |
Patient Reviews & Ratings
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