Dr. James Kuhn, M.D.
Contact & Location
207-482-7800
Portland, ME 04102
About Dr. Kuhn
Dr. James Kuhn is a board-certified orthopedic surgeon practicing in Portland, Maine. A Medicare provider since 2005, Dr. Kuhn performed 21 Medicare-verified hip replacements (#17 in Maine) and 16 knee replacements in the latest annual CMS data, for a combined total of 37 procedures.
In Maine, Dr. Kuhn performs below the state average in hip (21 vs 31), below the state average in knee (16 vs 44).
Dr. Kuhn's reported Medicare volume is split between hip replacements (21 cases) and knee replacements (16 cases).
Portland is home to 6 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.
Dr. Kuhn's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 16 to 52 procedures per year, reflecting a steady joint replacement practice.
Dr. Kuhn's 21 hip replacement procedures is below the national average of 36 among 4,532 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 15 | 23 |
| 2014 | 0 | 20 |
| 2015 | 0 | 21 |
| 2016 | 16 | 27 |
| 2017 | 18 | 21 |
| 2018 | 24 | 28 |
| 2019 | 11 | 21 |
| 2020 | 0 | 16 |
| 2021 | 0 | 19 |
| 2022 | 0 | 26 |
| 2023 | 22 | 29 |
| 2024 | 21 | 16 |
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. Kuhn Compares
Procedure volume compared to the Maine state average.
Volume Trend Analysis
Dr. Kuhn's procedure volume has been consistent across 12 years of Medicare data, ranging from 16 to 52 procedures per year. This stability suggests a well-established joint replacement practice.
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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
What to Expect on the Day of SurgeryA 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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Kuhn
How does Dr. Kuhn's procedure volume compare to other Maine surgeons?
Dr. Kuhn has performed 37 Medicare-verified joint replacement procedures. The Maine average is 52 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Kuhn ranks #20 out of 43 orthopedic surgeons in Maine.
What types of joint replacement does Dr. Kuhn perform?
Dr. Kuhn's Medicare data shows procedures in hip replacement (21 cases) and knee replacement (16 cases).
How experienced is Dr. Kuhn with hip replacement surgery?
Dr. Kuhn ranks #17 in Maine for hip replacement with 21 Medicare-verified procedures. This high ranking among 43 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Kuhn in Portland?
Yes. There are 6 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 37 procedures shown here.
Has Dr. Kuhn's procedure volume changed over time?
Dr. Kuhn's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 16 to 52 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Kuhn perform more than one type of joint replacement?
Yes. Dr. Kuhn's Medicare data shows procedures in hip replacement (21 cases), knee replacement (16 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 6 orthopedic surgeons in Portland, Dr. Kuhn ranks #3 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 37 Medicare procedures are above the Portland average of 31. The table below compares verified procedure volumes for orthopedic surgeons practicing in Portland.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Michael Newman | 64 | Hip, Knee |
| Dr. Wayne Piers | 38 | Hip, Knee |
| Dr. Sarah Shubert | 18 | Shoulder |
| Dr. Stephen Barr | 15 | Hip |
| Dr. Bryce Wolf | 15 | Shoulder |
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.