Dr. Robert Williams, MD
Dr. Robert Williams is a board-certified orthopedic surgeon practicing in Chelsea, Michigan. A Medicare provider since 2006, Dr. Williams has completed 54 knee replacements (#36 in Michigan), 36 hip replacements, and 28 shoulder replacements, totaling 118 Medicare-verified procedures.
In Michigan, Dr. Williams performs above average in knee (54 vs 33 avg), above average in hip (36 vs 29 avg), near average in shoulder (28 vs 27 avg).
Dr. Williams performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (54 cases), followed by hip replacements (36) and shoulder replacements (28).
Chelsea is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Chelsea area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Williams extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 19 to 118 in the most recent data, a 521% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Williams's 54 verified procedures is above 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. Williams Compares
Procedure volume compared to the Michigan state average.
Contact & Location
Chelsea, MI 48118
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Williams's Medicare-recorded procedure volume has trended upward over 11 years, increasing 521% from 19 procedures in 2013 to 118 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.
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.
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. Williams
How does Dr. Williams's procedure volume compare to other Michigan surgeons?
Dr. Williams has performed 118 Medicare-verified joint replacement procedures. This is more than 2x the Michigan average of 48 procedures per surgeon. Dr. Williams ranks #20 out of 272 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Williams perform?
Dr. Williams performs all three major joint replacement procedures: knee replacement (54 cases), hip replacement (36 cases), shoulder replacement (28 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
Are there other orthopedic surgeons near Dr. Williams in Chelsea?
Yes. There are 2 orthopedic surgeons in Chelsea 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. Williams 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. Williams's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 118 procedures shown here.
Has Dr. Williams's procedure volume changed over time?
Yes. Dr. Williams's Medicare-recorded volume has increased from 19 procedures in 2013 to 118 in the most recent data, a 521% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 145 procedures in 2021.
Does Dr. Williams perform more than one type of joint replacement?
Yes. Dr. Williams's Medicare data shows procedures in knee replacement (54 cases), hip replacement (36 cases), shoulder replacement (28 cases). Performing all three major joint replacements places Dr. Williams among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
Which hospitals is Dr. Williams affiliated with?
According to CMS facility affiliation data, Dr. Williams is affiliated with Chelsea Hospital, Trinity Health Livingston Hospital, Trinity Health Ann Arbor Hospital, Henry Ford Health Jackson Hospital, Promedica Charles And Virginia Hickman Hospital.
What are the quality ratings for hospitals where Dr. Williams practices?
Chelsea Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Trinity Health Livingston Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison); Trinity Health Ann Arbor 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 Chelsea, Michigan
Dr. Williams's 118 Medicare procedures are below the Chelsea average of 162. The table below compares verified procedure volumes for orthopedic surgeons practicing in Chelsea.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Creg Carpenter | 206 | Hip, Knee |
Patient Reviews & Ratings
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