Dr. Andrew Merritt, MD
Dr. Andrew Merritt is a board-certified orthopedic surgeon practicing in Renton, Washington. Dr. Merritt has performed 45 Medicare-verified knee replacements (#49 in Washington) and 24 hip replacements, for a combined total of 69 procedures.
In Washington, Dr. Merritt performs near average in knee (45 vs 42 avg), below average in hip (24 vs 38 avg).
Dr. Merritt's reported Medicare volume is split between knee replacements (45 cases) and hip replacements (24 cases).
Renton is home to 6 orthopedic surgeons in the current Medicare dataset. Patients in the Renton area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Merritt extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 35 to 69 in the most recent data, a 97% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Merritt's 45 verified procedures is near 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. Merritt Compares
Procedure volume compared to the Washington state average.
Contact & Location
Renton, WA 98055
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Merritt's Medicare-recorded procedure volume has trended upward over 10 years, increasing 97% from 35 procedures in 2014 to 69 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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Merritt
How does Dr. Merritt's procedure volume compare to other Washington surgeons?
Dr. Merritt has performed 69 Medicare-verified joint replacement procedures. This is in line with the Washington average of 59 procedures per surgeon. Dr. Merritt ranks #67 out of 202 orthopedic surgeons in Washington.
What types of joint replacement does Dr. Merritt perform?
Dr. Merritt's Medicare data shows procedures in knee replacement (45 cases) and hip replacement (24 cases).
Are there other orthopedic surgeons near Dr. Merritt in Renton?
Yes. There are 6 orthopedic surgeons in Renton 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 Washington surgeons.
What does the Medicare data for Dr. Merritt 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. Merritt's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 69 procedures shown here.
Has Dr. Merritt's procedure volume changed over time?
Yes. Dr. Merritt's Medicare-recorded volume has increased from 35 procedures in 2014 to 69 in the most recent data, a 97% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 75 procedures in 2015.
Does Dr. Merritt perform more than one type of joint replacement?
Yes. Dr. Merritt's Medicare data shows procedures in knee replacement (45 cases), hip replacement (24 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Merritt affiliated with?
According to CMS facility affiliation data, Dr. Merritt is affiliated with Valley Medical Center.
How does Dr. Merritt compare to other orthopedic surgeons in Renton?
Among the 6 orthopedic surgeons in Renton, Dr. Merritt ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Renton has 191 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Merritt practices?
Valley Medical Center (2 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 Renton, Washington
Dr. Merritt's 69 Medicare procedures are below the Renton average of 100. The table below compares verified procedure volumes for orthopedic surgeons practicing in Renton.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. William Barrett | 191 | Hip, Knee |
| Dr. Timothy Alton | 184 | Hip, Knee |
| Dr. Fredrick Huang | 102 | Hip, Knee |
| Dr. Prashoban Bremjit | 37 | Hip, Knee |
| Dr. Sean Haloman | 16 | Shoulder |
Patient Reviews & Ratings
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