Shoulder
Dr. Duncan Ackerman, M.D.
Dr. Duncan Ackerman is a board-certified orthopedic surgeon practicing in Bismarck, North Dakota. A Medicare provider since 2005, Dr. Ackerman has performed 38 Medicare-verified shoulder replacements, ranking #4 in North Dakota.
In North Dakota, Dr. Ackerman performs above average in shoulder (38 vs 28 avg).
Dr. Ackerman's Medicare data shows a focused shoulder replacement practice with 38 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.
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. Ackerman extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 30 to 38 in the most recent data, a 27% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Ackerman's 38 verified procedures is above the national average of 28.
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. Ackerman 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. Ackerman's Medicare-recorded procedure volume has trended upward over 11 years, increasing 27% from 30 procedures in 2013 to 38 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:
A step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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.
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. Ackerman
How does Dr. Ackerman's procedure volume compare to other North Dakota surgeons?
Dr. Ackerman has performed 38 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. Ackerman ranks #22 out of 33 orthopedic surgeons in North Dakota.
What types of joint replacement does Dr. Ackerman perform?
Dr. Ackerman's reported Medicare volume is focused on shoulder replacement, with 38 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Ackerman with shoulder replacement surgery?
Dr. Ackerman ranks #4 in North Dakota for shoulder replacement with 38 Medicare-verified procedures. This high ranking among 33 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Ackerman 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. Ackerman 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. Ackerman's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 38 procedures shown here.
Has Dr. Ackerman's procedure volume changed over time?
Yes. Dr. Ackerman's Medicare-recorded volume has increased from 30 procedures in 2013 to 38 in the most recent data, a 27% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 49 procedures in 2022.
Which hospitals is Dr. Ackerman affiliated with?
According to CMS facility affiliation data, Dr. Ackerman is affiliated with Chi St Alexius Health, West River Regional Medical Center, Sakakawea Medical Center - Cah, Chi St Alexius Health Williston, Chi St Alexius Health Dickinson.
How does Dr. Ackerman compare to other orthopedic surgeons in Bismarck?
Among the 11 orthopedic surgeons in Bismarck, Dr. Ackerman ranks #9 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. Ackerman practices?
Chi St Alexius Health (2 out of 5 CMS stars, hip/knee complication rate similar to national average); West River Regional Medical Center (4 out of 5 CMS stars). 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. Ackerman's 38 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. Matthew Carpenter | 52 | Hip, Knee |
Patient Reviews & Ratings
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