Dr. Mark Luker, MD
Contact & Location
Grand Junction, CO 81505
Dr. Mark Luker is a board-certified orthopedic surgeon practicing in Grand Junction, Colorado. A Medicare provider since 2005, Dr. Luker has performed 30 Medicare-verified knee replacements (#75 in Colorado) and 20 shoulder replacements, for a combined total of 50 procedures.
In Colorado, Dr. Luker performs below average in knee (30 vs 48 avg), below average in shoulder (20 vs 33 avg).
Dr. Luker's reported Medicare volume is split between knee replacements (30 cases) and shoulder replacements (20 cases).
Grand Junction is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Grand Junction area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Luker extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 25 to 50 in the most recent data, a 100% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Luker's 30 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. Luker Compares
Procedure volume compared to the Colorado state average.
Volume Trend Analysis
Dr. Luker's Medicare-recorded procedure volume has trended upward over 12 years, increasing 100% from 25 procedures in 2013 to 50 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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Luker
How does Dr. Luker's procedure volume compare to other Colorado surgeons?
Dr. Luker has performed 50 Medicare-verified joint replacement procedures. The Colorado average is 64 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Luker ranks #82 out of 169 orthopedic surgeons in Colorado.
What types of joint replacement does Dr. Luker perform?
Dr. Luker's Medicare data shows procedures in knee replacement (30 cases) and shoulder replacement (20 cases).
Are there other orthopedic surgeons near Dr. Luker in Grand Junction?
Yes. There are 5 orthopedic surgeons in Grand Junction 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. Luker 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. Luker's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 50 procedures shown here.
Has Dr. Luker's procedure volume changed over time?
Yes. Dr. Luker's Medicare-recorded volume has increased from 25 procedures in 2013 to 50 in the most recent data, a 100% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 73 procedures in 2021.
Does Dr. Luker perform more than one type of joint replacement?
Yes. Dr. Luker's Medicare data shows procedures in knee replacement (30 cases), shoulder replacement (20 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Luker affiliated with?
According to CMS facility affiliation data, Dr. Luker is affiliated with Intermountain Health St. Mary'S Regional Hospital.
How does Dr. Luker compare to other orthopedic surgeons in Grand Junction?
Among the 5 orthopedic surgeons in Grand Junction, Dr. Luker ranks #2 by total Medicare procedure volume. Dr. Luker is among the highest-volume surgeons in Grand Junction.
What are the quality ratings for hospitals where Dr. Luker practices?
Intermountain Health St. Mary'S Regional Hospital (4 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 Grand Junction, Colorado
Dr. Luker's 50 Medicare procedures are below the Grand Junction average of 55. The table below compares verified procedure volumes for orthopedic surgeons practicing in Grand Junction.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. William Rainer | 102 | Hip, Knee |
| Dr. Kennan Vance | 46 | Knee, Shoulder |
| Dr. Steven Gammon | 43 | Hip, Knee |
| Dr. John Rawlings | 35 | Shoulder |
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.