Dr. Robert Morren, M.D.
Contact & Location
Kalamazoo, MI 49006
Dr. Robert Morren is a board-certified orthopedic surgeon practicing in Kalamazoo, Michigan. A Medicare provider since 2006, Dr. Morren has performed 36 Medicare-verified knee replacements (#71 in Michigan) and 16 hip replacements, for a combined total of 52 procedures.
In Michigan, Dr. Morren performs near average in knee (36 vs 34 avg), below average in hip (16 vs 29 avg).
Dr. Morren's reported Medicare volume is split between knee replacements (36 cases) and hip replacements (16 cases).
Kalamazoo is home to 12 orthopedic surgeons in the current Medicare dataset. Patients in the Kalamazoo area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Morren extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 25 to 52 in the most recent data, a 108% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Morren's 36 verified procedures is near the national average of 45.
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. Morren Compares
Procedure volume compared to the Michigan state average.
Volume Trend Analysis
Dr. Morren's Medicare-recorded procedure volume has trended upward over 12 years, increasing 108% from 25 procedures in 2013 to 52 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.
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.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
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. Morren
How does Dr. Morren's procedure volume compare to other Michigan surgeons?
Dr. Morren has performed 52 Medicare-verified joint replacement procedures. This is in line with the Michigan average of 49 procedures per surgeon. Dr. Morren ranks #89 out of 256 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Morren perform?
Dr. Morren's Medicare data shows procedures in knee replacement (36 cases) and hip replacement (16 cases).
Are there other orthopedic surgeons near Dr. Morren in Kalamazoo?
Yes. There are 12 orthopedic surgeons in Kalamazoo 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. Morren 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. Morren's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 52 procedures shown here.
Has Dr. Morren's procedure volume changed over time?
Yes. Dr. Morren's Medicare-recorded volume has increased from 25 procedures in 2013 to 52 in the most recent data, a 108% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 85 procedures in 2023.
Does Dr. Morren perform more than one type of joint replacement?
Yes. Dr. Morren's Medicare data shows procedures in knee replacement (36 cases), hip replacement (16 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Morren affiliated with?
According to CMS facility affiliation data, Dr. Morren is affiliated with St. Catherine Hospital - Garden City, St Catherine Hospital - Dodge City. Dr. Morren maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Morren compare to other orthopedic surgeons in Kalamazoo?
Among the 12 orthopedic surgeons in Kalamazoo, Dr. Morren ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Kalamazoo has 75 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Morren practices?
St. Catherine Hospital - Garden City (2 out of 5 CMS stars, insufficient case volume for complication rate comparison); St Catherine Hospital - Dodge City (2 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 Kalamazoo, Michigan
Dr. Morren's 52 Medicare procedures are below the Kalamazoo average of 63. The table below compares verified procedure volumes for orthopedic surgeons practicing in Kalamazoo.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Bernard Roehr | 75 | Hip, Knee |
| Dr. William Zuke | 70 | Hip, Knee |
| Dr. Todd Ream | 67 | Hip, Knee |
| Dr. Christopher Betzle | 66 | Hip, Knee |
| Dr. Mark Sytsma | 59 | Shoulder |
| Dr. Steven Kokmeyer | 50 | 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.