Dr. Marvin Kym, MD
Contact & Location
208-883-1135
Moscow, ID 83843
About Dr. Kym
Dr. Marvin Kym is a board-certified orthopedic surgeon practicing in Moscow, Idaho. A Medicare provider since 2005, Dr. Kym completed 59 knee replacements (#10 in Idaho), 36 hip replacements, and 24 shoulder replacements in the latest annual CMS data, totaling 119 Medicare-verified procedures.
In Idaho, Dr. Kym performs above the state average in knee (59 vs 39), near the state average in hip (36 vs 34), near the state average in shoulder (24 vs 23).
Dr. Kym performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (59 cases), followed by hip replacements (36) and shoulder replacements (24).
Moscow is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Moscow area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs. Dr. Kym also maintains hospital privileges in ID and WA, indicating a regional practice that extends beyond Idaho.
Medicare records for Dr. Kym extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 93 to 119 in the most recent data, a 28% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Kym's 59 verified procedures is above the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement | Shoulder Replacement |
|---|---|---|---|
| 2013 | 26 | 67 | 0 |
| 2014 | 28 | 96 | 0 |
| 2015 | 31 | 72 | 0 |
| 2016 | 42 | 60 | 12 |
| 2017 | 40 | 77 | 14 |
| 2018 | 39 | 65 | 16 |
| 2019 | 31 | 67 | 17 |
| 2020 | 31 | 47 | 15 |
| 2021 | 34 | 40 | 0 |
| 2022 | 28 | 38 | 0 |
| 2023 | 37 | 57 | 18 |
| 2024 | 36 | 59 | 24 |
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. Kym Compares
Procedure volume compared to the Idaho state average.
Volume Trend Analysis
Dr. Kym's Medicare-recorded procedure volume has trended upward over 12 years, increasing 28% from 93 procedures in 2013 to 119 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.
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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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.
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. Kym
How does Dr. Kym's procedure volume compare to other Idaho surgeons?
Dr. Kym has performed 119 Medicare-verified joint replacement procedures. This is more than 2x the Idaho average of 57 procedures per surgeon. Dr. Kym ranks #9 out of 70 orthopedic surgeons in Idaho.
What types of joint replacement does Dr. Kym perform?
Dr. Kym performs all three major joint replacement procedures: knee replacement (59 cases), hip replacement (36 cases), shoulder replacement (24 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
How experienced is Dr. Kym with knee replacement surgery?
Dr. Kym ranks #10 in Idaho for knee replacement with 59 Medicare-verified procedures. This high ranking among 70 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Kym in Moscow?
Yes. There are 3 orthopedic surgeons in Moscow 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 Idaho surgeons.
What does the Medicare data for Dr. Kym 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. Kym's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 119 procedures shown here.
Has Dr. Kym's procedure volume changed over time?
Yes. Dr. Kym's Medicare-recorded volume has increased from 93 procedures in 2013 to 119 in the most recent data, a 28% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 131 procedures in 2017.
Does Dr. Kym perform more than one type of joint replacement?
Yes. Dr. Kym's Medicare data shows procedures in knee replacement (59 cases), hip replacement (36 cases), shoulder replacement (24 cases). Performing all three major joint replacements places Dr. Kym among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
Which hospitals is Dr. Kym affiliated with?
According to CMS facility affiliation data, Dr. Kym is affiliated with Gritman Medical Center, Syringa General Hospital, St Mary'S Hospital, Tri-State Memorial Hospital, St Joseph Regional Medical Center. Dr. Kym maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Kym compare to other orthopedic surgeons in Moscow?
Among the 3 orthopedic surgeons in Moscow, Dr. Kym ranks #1 by total Medicare procedure volume. Dr. Kym has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Kym practices?
Gritman Medical Center (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Syringa General Hospital (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 Moscow, Idaho
Dr. Kym's 119 Medicare procedures are above the Moscow average of 54. The table below compares verified procedure volumes for orthopedic surgeons practicing in Moscow.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Leo Chough | 31 | Hip, Knee |
| Dr. Aaron Vandenbos | 13 | 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.