Dr. Michael Krnacik, MD, PH.D
Contact & Location
Roseburg, OR 97470
Dr. Michael Krnacik is a board-certified orthopedic surgeon practicing in Roseburg, Oregon. A Medicare provider since 2005, Dr. Krnacik has performed 24 Medicare-verified knee replacements (#55 in Oregon) and 14 hip replacements, for a combined total of 38 procedures.
In Oregon, Dr. Krnacik performs below average in knee (24 vs 42 avg), below average in hip (14 vs 37 avg).
Dr. Krnacik's reported Medicare volume is split between knee replacements (24 cases) and hip replacements (14 cases).
Roseburg is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Roseburg area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Krnacik's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 35 to 53 procedures per year, reflecting a steady joint replacement practice.
Dr. Krnacik's 24 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
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. Krnacik Compares
Procedure volume compared to the Oregon state average.
Volume Trend Analysis
Dr. Krnacik's procedure volume has been consistent across 12 years of Medicare data, ranging from 35 to 53 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 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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Krnacik
How does Dr. Krnacik's procedure volume compare to other Oregon surgeons?
Dr. Krnacik has performed 38 Medicare-verified joint replacement procedures. The Oregon average is 63 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Krnacik ranks #62 out of 101 orthopedic surgeons in Oregon.
What types of joint replacement does Dr. Krnacik perform?
Dr. Krnacik's Medicare data shows procedures in knee replacement (24 cases) and hip replacement (14 cases).
Are there other orthopedic surgeons near Dr. Krnacik in Roseburg?
Yes. There are 3 orthopedic surgeons in Roseburg 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 Oregon surgeons.
What does the Medicare data for Dr. Krnacik 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. Krnacik's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 38 procedures shown here.
Has Dr. Krnacik's procedure volume changed over time?
Dr. Krnacik's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 35 to 53 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Krnacik perform more than one type of joint replacement?
Yes. Dr. Krnacik's Medicare data shows procedures in knee replacement (24 cases), hip replacement (14 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Krnacik affiliated with?
According to CMS facility affiliation data, Dr. Krnacik is affiliated with Mercy Medical Center.
How does Dr. Krnacik compare to other orthopedic surgeons in Roseburg?
Among the 3 orthopedic surgeons in Roseburg, Dr. Krnacik ranks #2 by total Medicare procedure volume. Dr. Krnacik is among the highest-volume surgeons in Roseburg.
What are the quality ratings for hospitals where Dr. Krnacik practices?
Mercy Medical Center (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 Roseburg, Oregon
Dr. Krnacik's 38 Medicare procedures are below the Roseburg average of 51. The table below compares verified procedure volumes for orthopedic surgeons practicing in Roseburg.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Cary Sanders | 79 | Hip, Knee |
| Dr. Susan Williams | 36 | Hip, 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.