Dr. D Allan, MD
Contact & Location
Springfield, IL 62711
Dr. D Allan is a board-certified orthopedic surgeon practicing in Springfield, Illinois. A Medicare provider since 2005, Dr. Allan has performed 76 Medicare-verified knee replacements (#54 in Illinois) and 54 hip replacements, for a combined total of 130 procedures.
In Illinois, Dr. Allan performs above average in knee (76 vs 50 avg), above average in hip (54 vs 39 avg).
Dr. Allan's reported Medicare volume is split between knee replacements (76 cases) and hip replacements (54 cases).
Springfield is home to 15 orthopedic surgeons in the current Medicare dataset. Patients in the Springfield area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Allan's Medicare data spans 12 years, beginning in 2013. Volume peaked at 194 procedures in 2013 before settling at 130 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Allan's 76 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. Allan Compares
Procedure volume compared to the Illinois state average.
Volume Trend Analysis
Dr. Allan's recorded volume peaked at 194 procedures in 2013 and stood at 130 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
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 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. Allan
How does Dr. Allan's procedure volume compare to other Illinois surgeons?
Dr. Allan has performed 130 Medicare-verified joint replacement procedures. This is significantly above the Illinois average of 69 procedures per surgeon. Dr. Allan ranks #48 out of 316 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Allan perform?
Dr. Allan's Medicare data shows procedures in knee replacement (76 cases) and hip replacement (54 cases).
Are there other orthopedic surgeons near Dr. Allan in Springfield?
Yes. There are 15 orthopedic surgeons in Springfield 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. Allan 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. Allan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 130 procedures shown here.
Has Dr. Allan's procedure volume changed over time?
Dr. Allan's Medicare-recorded volume peaked at 194 procedures in 2013 and was 130 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Does Dr. Allan perform more than one type of joint replacement?
Yes. Dr. Allan's Medicare data shows procedures in knee replacement (76 cases), hip replacement (54 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Allan affiliated with?
According to CMS facility affiliation data, Dr. Allan is affiliated with Memorial Medical Center, St Johns Hospital, Decatur Memorial Hospital, Thomas H Boyd Memorial Hospital, Taylorville Memorial Hospital.
How does Dr. Allan compare to other orthopedic surgeons in Springfield?
Among the 15 orthopedic surgeons in Springfield, Dr. Allan ranks #2 by total Medicare procedure volume. Dr. Allan is among the highest-volume surgeons in Springfield.
What are the quality ratings for hospitals where Dr. Allan practices?
Memorial Medical Center (2 out of 5 CMS stars, hip/knee complication rate similar to national average); St Johns Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Decatur Memorial Hospital (3 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 Springfield, Illinois
Dr. Allan's 130 Medicare procedures are above the Springfield average of 100. The table below compares verified procedure volumes for orthopedic surgeons practicing in Springfield.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Dane Church | 134 | Hip, Knee |
| Dr. Piero Capecci | 123 | Hip, Knee |
| Dr. Ryan Pate | 115 | Hip, Knee |
| Dr. Daniel Rossi | 94 | Hip, Knee |
| Dr. Michaela Schneiderbauer | 62 | Hip, Knee |
| Dr. Kevin Kohut | 40 | 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.