Dr. Robert Greenhow, MD
Contact & Location
Lone Tree, CO 80124
Dr. Robert Greenhow is a board-certified orthopedic surgeon practicing in Lone Tree, Colorado. Dr. Greenhow has performed 56 Medicare-verified knee replacements (#32 in Colorado) and 40 hip replacements, for a combined total of 96 procedures.
In Colorado, Dr. Greenhow performs near average in knee (56 vs 48 avg), near average in hip (40 vs 38 avg).
Dr. Greenhow's reported Medicare volume is split between knee replacements (56 cases) and hip replacements (40 cases).
Lone Tree is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Lone Tree area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Greenhow first appears in the Medicare dataset in 2013. With 2 years of recorded data, the longitudinal trend is still developing.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Greenhow's 56 verified procedures is above 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. Greenhow Compares
Procedure volume compared to the Colorado state average.
Volume Trend Analysis
Dr. Greenhow has 2 years of Medicare procedure data beginning in 2013. Additional years of data will provide a clearer picture of volume trends.
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.
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 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. Greenhow
How does Dr. Greenhow's procedure volume compare to other Colorado surgeons?
Dr. Greenhow has performed 96 Medicare-verified joint replacement procedures. This is significantly above the Colorado average of 64 procedures per surgeon. Dr. Greenhow ranks #34 out of 169 orthopedic surgeons in Colorado.
What types of joint replacement does Dr. Greenhow perform?
Dr. Greenhow's Medicare data shows procedures in knee replacement (56 cases) and hip replacement (40 cases).
Are there other orthopedic surgeons near Dr. Greenhow in Lone Tree?
Yes. There are 7 orthopedic surgeons in Lone Tree 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 Colorado surgeons.
What does the Medicare data for Dr. Greenhow 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. Greenhow's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 96 procedures shown here.
Does Dr. Greenhow perform more than one type of joint replacement?
Yes. Dr. Greenhow's Medicare data shows procedures in knee replacement (56 cases), hip replacement (40 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Greenhow affiliated with?
According to CMS facility affiliation data, Dr. Greenhow is affiliated with Adventhealth Castle Rock.
How does Dr. Greenhow compare to other orthopedic surgeons in Lone Tree?
Among the 7 orthopedic surgeons in Lone Tree, Dr. Greenhow ranks #3 by total Medicare procedure volume. Dr. Greenhow is among the highest-volume surgeons in Lone Tree.
What are the quality ratings for hospitals where Dr. Greenhow practices?
Adventhealth Castle Rock (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 Lone Tree, Colorado
Dr. Greenhow's 96 Medicare procedures are above the Lone Tree average of 59. The table below compares verified procedure volumes for orthopedic surgeons practicing in Lone Tree.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. John Xenos | 121 | Hip, Knee |
| Dr. David Loucks | 112 | Hip, Knee |
| Dr. Mark Fitzgerald | 28 | Shoulder |
| Dr. Christopher Joyce | 24 | Shoulder |
| Dr. Scott Koenig | 22 | Hip |
| Dr. Edward Szuszczewicz | 13 | Hip |
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.