Dr. William Mook, M.D.
Contact & Location
Reston, VA 20190
Dr. William Mook is a board-certified orthopedic surgeon practicing in Reston, Virginia. A Medicare provider since 2009, Dr. Mook has performed 39 Medicare-verified shoulder replacements, ranking #18 in Virginia.
In Virginia, Dr. Mook performs near average in shoulder (39 vs 33 avg).
Dr. Mook's Medicare data shows a focused shoulder replacement practice with 39 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Beyond general orthopedic surgery, Dr. Mook holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
Reston is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Reston area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Mook extend back to 2016, covering 8 years of data. Over that period, recorded procedure volume increased from 14 to 39 in the most recent data, a 179% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,213 shoulder replacement surgeons tracked nationally, Dr. Mook's 39 verified procedures is above the national average of 29.
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. Mook Compares
Procedure volume compared to the Virginia state average.
Volume Trend Analysis
Dr. Mook's Medicare-recorded procedure volume has trended upward over 8 years, increasing 179% from 14 procedures in 2016 to 39 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 Shoulder Replacement
If you are considering shoulder replacement surgery, these evidence-based guides can help you prepare and recover:
A practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
Shoulder Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after shoulder replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full shoulder replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Mook
How does Dr. Mook's procedure volume compare to other Virginia surgeons?
Dr. Mook has performed 39 Medicare-verified joint replacement procedures. The Virginia average is 82 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Mook ranks #142 out of 229 orthopedic surgeons in Virginia.
What types of joint replacement does Dr. Mook perform?
Dr. Mook's reported Medicare volume is focused on shoulder replacement, with 39 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Mook with shoulder replacement surgery?
Dr. Mook ranks #18 in Virginia for shoulder replacement with 39 Medicare-verified procedures. This high ranking among 229 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Mook in Reston?
Yes. There are 7 orthopedic surgeons in Reston 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 Virginia surgeons.
What does the Medicare data for Dr. Mook 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. Mook's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 39 procedures shown here.
Has Dr. Mook's procedure volume changed over time?
Yes. Dr. Mook's Medicare-recorded volume has increased from 14 procedures in 2016 to 39 in the most recent data, a 179% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 44 procedures in 2023.
Which hospitals is Dr. Mook affiliated with?
According to CMS facility affiliation data, Dr. Mook is affiliated with Reston Hospital Center, Inova Fair Oaks Hospital.
How does Dr. Mook compare to other orthopedic surgeons in Reston?
Among the 7 orthopedic surgeons in Reston, Dr. Mook ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Reston has 166 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Mook practices?
Reston Hospital Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Inova Fair Oaks 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 Reston, Virginia
Dr. Mook's 39 Medicare procedures are below the Reston average of 76. The table below compares verified procedure volumes for orthopedic surgeons practicing in Reston.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. James Reeves | 166 | Hip, Knee |
| Dr. Thomas Klein | 100 | Hip, Knee |
| Dr. George Aguiar | 93 | Knee |
| Dr. Vignesh Alamanda | 83 | Hip, Knee |
| Dr. Aaron Carter | 33 | Knee, Shoulder |
| Dr. Thomas Fleeter | 19 | Hip |
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.