Dr. Lucas Armstrong, MD
Dr. Lucas Armstrong is a board-certified orthopedic surgeon practicing in Bloomington, Illinois. A Medicare provider since 2008, Dr. Armstrong has performed 48 Medicare-verified hip replacements (#52 in Illinois) and 25 knee replacements, for a combined total of 73 procedures.
In Illinois, Dr. Armstrong performs above average in hip (48 vs 38 avg), below average in knee (25 vs 51 avg).
Dr. Armstrong's reported Medicare volume is split between hip replacements (48 cases) and knee replacements (25 cases).
Beyond general orthopedic surgery, Dr. Armstrong holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Bloomington is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Bloomington area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Armstrong extend back to 2015, covering 8 years of data. Over that period, recorded procedure volume increased from 17 to 73 in the most recent data, a 329% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Armstrong's 48 verified procedures is above the national average of 36.
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. Armstrong Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Bloomington, IL 61704
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Armstrong's Medicare-recorded procedure volume has trended upward over 8 years, increasing 329% from 17 procedures in 2015 to 73 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.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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.
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. Armstrong
How does Dr. Armstrong's procedure volume compare to other Illinois surgeons?
Dr. Armstrong has performed 73 Medicare-verified joint replacement procedures. This is in line with the Illinois average of 69 procedures per surgeon. Dr. Armstrong ranks #110 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Armstrong perform?
Dr. Armstrong's Medicare data shows procedures in hip replacement (48 cases) and knee replacement (25 cases).
Are there other orthopedic surgeons near Dr. Armstrong in Bloomington?
Yes. There are 6 orthopedic surgeons in Bloomington 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 Illinois surgeons.
What does the Medicare data for Dr. Armstrong 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. Armstrong's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 73 procedures shown here.
Has Dr. Armstrong's procedure volume changed over time?
Yes. Dr. Armstrong's Medicare-recorded volume has increased from 17 procedures in 2015 to 73 in the most recent data, a 329% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 73 procedures in 2023.
Does Dr. Armstrong perform more than one type of joint replacement?
Yes. Dr. Armstrong's Medicare data shows procedures in hip replacement (48 cases), knee replacement (25 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Armstrong affiliated with?
According to CMS facility affiliation data, Dr. Armstrong is affiliated with Carle Bromenn Medical Center.
How does Dr. Armstrong compare to other orthopedic surgeons in Bloomington?
Among the 6 orthopedic surgeons in Bloomington, Dr. Armstrong ranks #2 by total Medicare procedure volume. Dr. Armstrong is among the highest-volume surgeons in Bloomington.
What are the quality ratings for hospitals where Dr. Armstrong practices?
Carle Bromenn Medical Center (3 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 Bloomington, Illinois
Dr. Armstrong's 73 Medicare procedures are above the Bloomington average of 60. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bloomington.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Joseph Novotny | 102 | Hip, Knee, Shoulder |
| Dr. Brett Keller | 73 | Hip, Knee |
| Dr. Robert Seidl | 42 | Hip, Knee |
| Dr. Mark Hanson | 39 | Hip, Knee |
| Dr. Joseph Newcomer | 31 | Knee |
Patient Reviews & Ratings
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