Dr. Brian Flanagan, M.D.
Dr. Brian Flanagan is a board-certified orthopedic surgeon practicing in Crystal Lake, Illinois. A Medicare provider since 2011, Dr. Flanagan has performed 120 Medicare-verified knee replacements (#17 in Illinois) and 71 hip replacements, for a combined total of 191 procedures.
In Illinois, Dr. Flanagan performs well above average in knee (120 vs 51 avg), above average in hip (71 vs 38 avg).
Dr. Flanagan's reported Medicare volume is split between knee replacements (120 cases) and hip replacements (71 cases).
Crystal Lake is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Crystal Lake area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Flanagan extend back to 2018, covering 6 years of data. Over that period, recorded procedure volume increased from 54 to 191 in the most recent data, a 254% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Flanagan's 120 verified procedures is more than 2x the national average of 45.
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. Flanagan Compares
Procedure volume compared to the Illinois state average.
Contact & Location
Crystal Lake, IL 60012
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Flanagan's Medicare-recorded procedure volume has trended upward over 6 years, increasing 254% from 54 procedures in 2018 to 191 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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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. Flanagan
How does Dr. Flanagan's procedure volume compare to other Illinois surgeons?
Dr. Flanagan has performed 191 Medicare-verified joint replacement procedures. This is more than 2x the Illinois average of 69 procedures per surgeon. Dr. Flanagan ranks #22 out of 323 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Flanagan perform?
Dr. Flanagan's Medicare data shows procedures in knee replacement (120 cases) and hip replacement (71 cases).
How experienced is Dr. Flanagan with knee replacement surgery?
Dr. Flanagan ranks #17 in Illinois for knee replacement with 120 Medicare-verified procedures. This high ranking among 323 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Flanagan in Crystal Lake?
Yes. There are 2 orthopedic surgeons in Crystal Lake 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. Flanagan 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. Flanagan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 191 procedures shown here.
Has Dr. Flanagan's procedure volume changed over time?
Yes. Dr. Flanagan's Medicare-recorded volume has increased from 54 procedures in 2018 to 191 in the most recent data, a 254% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 191 procedures in 2023.
Does Dr. Flanagan perform more than one type of joint replacement?
Yes. Dr. Flanagan's Medicare data shows procedures in knee replacement (120 cases), hip replacement (71 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Flanagan affiliated with?
According to CMS facility affiliation data, Dr. Flanagan is affiliated with Northwestern Medicine Mchenry Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Lake Forest Hospital.
What are the quality ratings for hospitals where Dr. Flanagan practices?
Northwestern Medicine Mchenry Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Northwestern Medicine Central Dupage Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Northwestern Lake Forest Hospital (5 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 Crystal Lake, Illinois
Dr. Flanagan's 191 Medicare procedures are above the Crystal Lake average of 102. The table below compares verified procedure volumes for orthopedic surgeons practicing in Crystal Lake.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Marko Krpan | 12 | Knee |
Patient Reviews & Ratings
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