Dr. Andrew Ketner, D.O.
Contact & Location
Waterford, MI 48328
Dr. Andrew Ketner is a board-certified orthopedic surgeon practicing in Waterford, Michigan. A Medicare provider since 2012, Dr. Ketner has performed 19 Medicare-verified hip replacements (#87 in Michigan) and 12 knee replacements, for a combined total of 31 procedures.
In Michigan, Dr. Ketner performs below average in hip (19 vs 29 avg), below average in knee (12 vs 34 avg).
Dr. Ketner's reported Medicare volume is split between hip replacements (19 cases) and knee replacements (12 cases).
Waterford is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Waterford area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Ketner extend back to 2020, covering 5 years of data. Over that period, recorded procedure volume increased from 13 to 31 in the most recent data, a 138% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Ketner's 19 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)
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. Ketner Compares
Procedure volume compared to the Michigan state average.
Volume Trend Analysis
Dr. Ketner's Medicare-recorded procedure volume has trended upward over 5 years, increasing 138% from 13 procedures in 2020 to 31 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 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.
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.
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. Ketner
How does Dr. Ketner's procedure volume compare to other Michigan surgeons?
Dr. Ketner has performed 31 Medicare-verified joint replacement procedures. The Michigan average is 49 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Ketner ranks #154 out of 256 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Ketner perform?
Dr. Ketner's Medicare data shows procedures in hip replacement (19 cases) and knee replacement (12 cases).
Are there other orthopedic surgeons near Dr. Ketner in Waterford?
Yes. There are 3 orthopedic surgeons in Waterford 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 Michigan surgeons.
What does the Medicare data for Dr. Ketner 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. Ketner's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 31 procedures shown here.
Has Dr. Ketner's procedure volume changed over time?
Yes. Dr. Ketner's Medicare-recorded volume has increased from 13 procedures in 2020 to 31 in the most recent data, a 138% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 43 procedures in 2022.
Does Dr. Ketner perform more than one type of joint replacement?
Yes. Dr. Ketner's Medicare data shows procedures in hip replacement (19 cases), knee replacement (12 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Ketner affiliated with?
According to CMS facility affiliation data, Dr. Ketner is affiliated with Huron Valley-Sinai Hospital.
How does Dr. Ketner compare to other orthopedic surgeons in Waterford?
Among the 3 orthopedic surgeons in Waterford, Dr. Ketner ranks #3 by total Medicare procedure volume. Dr. Ketner is among the highest-volume surgeons in Waterford.
What are the quality ratings for hospitals where Dr. Ketner practices?
Huron Valley-Sinai Hospital (2 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Waterford, Michigan
Dr. Ketner's 31 Medicare procedures are below the Waterford average of 49. The table below compares verified procedure volumes for orthopedic surgeons practicing in Waterford.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Richard Bartholomew | 66 | Knee, Shoulder |
| Dr. Philip Schmitt | 49 | 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.