Dr. Walker Flannery, M.D.
Contact & Location
Green Bay, WI 54311
Dr. Walker Flannery is a board-certified orthopedic surgeon practicing in Green Bay, Wisconsin. A Medicare provider since 2012, Dr. Flannery has performed 33 Medicare-verified hip replacements (#34 in Wisconsin) and 19 knee replacements, for a combined total of 52 procedures.
In Wisconsin, Dr. Flannery performs near average in hip (33 vs 29 avg), below average in knee (19 vs 36 avg).
Dr. Flannery's reported Medicare volume is split between hip replacements (33 cases) and knee replacements (19 cases).
Green Bay is home to 19 orthopedic surgeons in the current Medicare dataset. Patients in the Green Bay area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Flannery extend back to 2018, covering 7 years of data. Over that period, recorded procedure volume increased from 13 to 52 in the most recent data, a 300% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Flannery's 33 verified procedures is near the national average of 36.
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. Flannery Compares
Procedure volume compared to the Wisconsin state average.
Volume Trend Analysis
Dr. Flannery's Medicare-recorded procedure volume has trended upward over 7 years, increasing 300% from 13 procedures in 2018 to 52 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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Flannery
How does Dr. Flannery's procedure volume compare to other Wisconsin surgeons?
Dr. Flannery has performed 52 Medicare-verified joint replacement procedures. This is in line with the Wisconsin average of 51 procedures per surgeon. Dr. Flannery ranks #74 out of 189 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Flannery perform?
Dr. Flannery's Medicare data shows procedures in hip replacement (33 cases) and knee replacement (19 cases).
Are there other orthopedic surgeons near Dr. Flannery in Green Bay?
Yes. There are 19 orthopedic surgeons in Green Bay 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 Wisconsin surgeons.
What does the Medicare data for Dr. Flannery 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. Flannery's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 52 procedures shown here.
Has Dr. Flannery's procedure volume changed over time?
Yes. Dr. Flannery's Medicare-recorded volume has increased from 13 procedures in 2018 to 52 in the most recent data, a 300% increase over 7 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 64 procedures in 2023.
Does Dr. Flannery perform more than one type of joint replacement?
Yes. Dr. Flannery's Medicare data shows procedures in hip replacement (33 cases), knee replacement (19 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Flannery affiliated with?
According to CMS facility affiliation data, Dr. Flannery is affiliated with St Marys Hospital Medical Ctr, Door County Medical Center.
How does Dr. Flannery compare to other orthopedic surgeons in Green Bay?
Among the 19 orthopedic surgeons in Green Bay, Dr. Flannery ranks #6 by total Medicare procedure volume. The highest-volume surgeon in Green Bay has 100 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Flannery practices?
St Marys Hospital Medical Ctr (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Door County Medical Center (5 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 Green Bay, Wisconsin
Dr. Flannery's 52 Medicare procedures are below the Green Bay average of 75. The table below compares verified procedure volumes for orthopedic surgeons practicing in Green Bay.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Kirk Dimitris | 100 | Hip, Knee |
| Dr. Michael Schnaubelt | 100 | Hip, Knee |
| Dr. Michael Tressler | 81 | Hip, Knee, Shoulder |
| Dr. Chad Zehms | 72 | Hip, Knee, Shoulder |
| Dr. Kenneth Kleist | 67 | Hip, Knee |
| Dr. Matthew Colligan | 51 | Hip, Knee |
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.