Dr. James Kuhn, M.D.
Dr. James Kuhn is a board-certified orthopedic surgeon practicing in Portland, Maine. Dr. Kuhn has performed 29 Medicare-verified knee replacements (#17 in Maine) and 22 hip replacements, for a combined total of 51 procedures.
Dr. Kuhn's 51 Medicare procedures are near the Maine median of 45. The state has 44 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.
Dr. Kuhn's reported Medicare volume is split between knee replacements (29 cases) and hip replacements (22 cases).
Portland is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Portland area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Kuhn extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 38 to 51 in 2023, a 34% increase. This sustained growth reflects an expanding joint replacement practice.
Among 8,293 orthopedic surgeons tracked nationally, Dr. Kuhn's volume of 51 procedures falls near the national above-average range.
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.
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Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Kuhn's Medicare-recorded procedure volume has trended upward over 11 years, increasing 34% from 38 procedures in 2013 to 51 in 2023.
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.
Frequently Asked Questions About Dr. Kuhn
How does Dr. Kuhn's procedure volume compare to other Maine surgeons?
Dr. Kuhn has performed 51 Medicare-verified joint replacement procedures. This is in line with the Maine average of 48 procedures per surgeon. Dr. Kuhn ranks #18 out of 44 orthopedic surgeons in Maine.
What types of joint replacement does Dr. Kuhn perform?
Dr. Kuhn's Medicare data shows procedures in knee replacement (29 cases) and hip replacement (22 cases).
How experienced is Dr. Kuhn with knee replacement surgery?
Dr. Kuhn ranks #17 in Maine for knee replacement with 29 Medicare-verified procedures. This high ranking among 44 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Kuhn in Portland?
Yes. There are 8 orthopedic surgeons in Portland 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 Maine surgeons.
What does the Medicare data for Dr. Kuhn 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. Kuhn's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 51 procedures shown here.
Has Dr. Kuhn's procedure volume changed over time?
Yes. Dr. Kuhn's Medicare-recorded volume has increased from 38 procedures in 2013 to 51 in 2023, a 34% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 52 procedures in 2018.
Does Dr. Kuhn perform more than one type of joint replacement?
Yes. Dr. Kuhn's Medicare data shows procedures in knee replacement (29 cases), hip replacement (22 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Kuhn affiliated with?
According to CMS facility affiliation data, Dr. Kuhn is affiliated with Northern Light Mercy Hospital, Mainehealth Stephens Hospital.
How does Dr. Kuhn compare to other orthopedic surgeons in Portland?
Among the 8 orthopedic surgeons in Portland, Dr. Kuhn ranks #2 by total Medicare procedure volume. Dr. Kuhn is among the highest-volume surgeons in Portland.
What are the quality ratings for hospitals where Dr. Kuhn practices?
Northern Light Mercy Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Mainehealth Stephens Hospital (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 Portland, Maine
Dr. Kuhn's 51 Medicare procedures are above the Portland average of 36. The table below compares verified procedure volumes for orthopedic surgeons practicing in Portland.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Michael Newman | 53 | Hip, Knee |
| Dr. Wayne Piers | 50 | Hip, Knee |
| Dr. Stephen Barr | 31 | Hip, Knee |
| Dr. Bryce Wolf | 30 | Knee, Shoulder |
| Dr. Sarah Shubert | 22 | Shoulder |
| Dr. Thomas Murray | 13 | Shoulder |