Dr. Shaun Peterson, MD
Contact & Location
Tucson, AZ 85712
Dr. Shaun Peterson is a board-certified orthopedic surgeon practicing in Tucson, Arizona. A Medicare provider since 2006, Dr. Peterson has performed 17 Medicare-verified hip replacements (#83 in Arizona) and 16 knee replacements, for a combined total of 33 procedures.
In Arizona, Dr. Peterson performs below average in hip (17 vs 37 avg), below average in knee (16 vs 49 avg).
Dr. Peterson's reported Medicare volume is split between hip replacements (17 cases) and knee replacements (16 cases).
Beyond general orthopedic surgery, Dr. Peterson holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
Tucson is home to 27 orthopedic surgeons in the current Medicare dataset. Patients in the Tucson area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Peterson's Medicare data spans 10 years, beginning in 2013. Volume peaked at 71 procedures in 2018 before settling at 33 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Peterson's 17 hip replacement procedures is below the national average of 36 among 4,526 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. Peterson Compares
Procedure volume compared to the Arizona state average.
Volume Trend Analysis
Dr. Peterson's recorded volume peaked at 71 procedures in 2018 and stood at 33 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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Peterson
How does Dr. Peterson's procedure volume compare to other Arizona surgeons?
Dr. Peterson has performed 33 Medicare-verified joint replacement procedures. The Arizona average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Peterson ranks #128 out of 193 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Peterson perform?
Dr. Peterson's Medicare data shows procedures in hip replacement (17 cases) and knee replacement (16 cases).
Are there other orthopedic surgeons near Dr. Peterson in Tucson?
Yes. There are 27 orthopedic surgeons in Tucson 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 Arizona surgeons.
What does the Medicare data for Dr. Peterson 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. Peterson's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 33 procedures shown here.
Has Dr. Peterson's procedure volume changed over time?
Dr. Peterson's Medicare-recorded volume peaked at 71 procedures in 2018 and was 33 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. Peterson perform more than one type of joint replacement?
Yes. Dr. Peterson's Medicare data shows procedures in hip replacement (17 cases), knee replacement (16 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Peterson affiliated with?
According to CMS facility affiliation data, Dr. Peterson is affiliated with St. Mary'S Hospital, Northwest Medical Center Sahuarita.
How does Dr. Peterson compare to other orthopedic surgeons in Tucson?
Among the 27 orthopedic surgeons in Tucson, Dr. Peterson ranks #19 by total Medicare procedure volume. The highest-volume surgeon in Tucson has 229 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Peterson practices?
St. Mary'S Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Northwest Medical Center Sahuarita (3 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 Tucson, Arizona
Dr. Peterson's 33 Medicare procedures are below the Tucson average of 144. The table below compares verified procedure volumes for orthopedic surgeons practicing in Tucson.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Russell Cohen | 229 | Hip, Knee |
| Dr. John Maltry | 178 | Hip, Knee |
| Dr. John Wild | 178 | Hip, Knee |
| Dr. Michael Miller | 158 | Hip, Knee |
| Dr. Chad Hills | 120 | Hip, Knee |
| Dr. Timothy Dixon | 114 | 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.