Dr. William Comai, DO
Contact & Location
Battle Creek, MI 49017
Dr. William Comai is a board-certified orthopedic surgeon practicing in Battle Creek, Michigan. A Medicare provider since 2005, Dr. Comai has performed 24 Medicare-verified hip replacements (#65 in Michigan) and 22 knee replacements, for a combined total of 46 procedures.
In Michigan, Dr. Comai performs near average in hip (24 vs 29 avg), below average in knee (22 vs 34 avg).
Dr. Comai's reported Medicare volume is split between hip replacements (24 cases) and knee replacements (22 cases).
Battle Creek is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Battle Creek area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Comai's Medicare data spans 12 years, beginning in 2013. Volume peaked at 99 procedures in 2014 before settling at 46 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Comai's 24 hip replacement procedures is below the national average of 36 among 4,532 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. Comai Compares
Procedure volume compared to the Michigan state average.
Volume Trend Analysis
Dr. Comai's recorded volume peaked at 99 procedures in 2014 and stood at 46 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 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.
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.
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. Comai
How does Dr. Comai's procedure volume compare to other Michigan surgeons?
Dr. Comai has performed 46 Medicare-verified joint replacement procedures. This is in line with the Michigan average of 49 procedures per surgeon. Dr. Comai ranks #113 out of 256 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Comai perform?
Dr. Comai's Medicare data shows procedures in hip replacement (24 cases) and knee replacement (22 cases).
Are there other orthopedic surgeons near Dr. Comai in Battle Creek?
Yes. There are 4 orthopedic surgeons in Battle Creek 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 Michigan surgeons.
What does the Medicare data for Dr. Comai 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. Comai's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 46 procedures shown here.
Has Dr. Comai's procedure volume changed over time?
Dr. Comai's Medicare-recorded volume peaked at 99 procedures in 2014 and was 46 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. Comai perform more than one type of joint replacement?
Yes. Dr. Comai's Medicare data shows procedures in hip replacement (24 cases), knee replacement (22 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Comai affiliated with?
According to CMS facility affiliation data, Dr. Comai is affiliated with Oaklawn Hospital, Ascension Borgess Hospital, Bronson Battle Creek Hospital.
How does Dr. Comai compare to other orthopedic surgeons in Battle Creek?
Among the 4 orthopedic surgeons in Battle Creek, Dr. Comai ranks #2 by total Medicare procedure volume. Dr. Comai is among the highest-volume surgeons in Battle Creek.
What are the quality ratings for hospitals where Dr. Comai practices?
Oaklawn Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Ascension Borgess Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Bronson Battle Creek 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 Battle Creek, Michigan
Dr. Comai's 46 Medicare procedures are below the Battle Creek average of 49. The table below compares verified procedure volumes for orthopedic surgeons practicing in Battle Creek.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Joseph Burkhardt | 89 | Hip, Knee, Shoulder |
| Dr. Phillip Dabrowski | 34 | Hip, Knee |
| Dr. Mark Russell | 25 | 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.