Dr. Shaun Peterson, MD
Contact & Location
520-784-6200
Tucson, AZ 85712
About Dr. Peterson
Dr. Shaun Peterson is a board-certified orthopedic surgeon practicing in Tucson, Arizona. A Medicare provider since 2006, Dr. Peterson performed 27 Medicare-verified knee replacements (#94 in Arizona) and 20 hip replacements in the latest annual CMS data, for a combined total of 47 procedures.
In Arizona, Dr. Peterson performs below the state average in knee (27 vs 49), below the state average in hip (20 vs 40).
Dr. Peterson's reported Medicare volume is split between knee replacements (27 cases) and hip replacements (20 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.
Medicare records for Dr. Peterson extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 13 to 47 in the most recent data, a 262% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Peterson's 27 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 0 | 13 |
| 2014 | 12 | 20 |
| 2015 | 30 | 16 |
| 2016 | 32 | 28 |
| 2017 | 39 | 21 |
| 2018 | 35 | 36 |
| 2019 | 33 | 30 |
| 2020 | 35 | 29 |
| 2021 | 11 | 0 |
| 2022 | 0 | 0 |
| 2023 | 17 | 16 |
| 2024 | 20 | 27 |
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 Medicare-recorded procedure volume has trended upward over 11 years, increasing 262% from 13 procedures in 2013 to 47 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.
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.
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. Peterson
How does Dr. Peterson's procedure volume compare to other Arizona surgeons?
Dr. Peterson has performed 47 Medicare-verified joint replacement procedures. The Arizona average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Peterson ranks #109 out of 191 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Peterson perform?
Dr. Peterson's Medicare data shows procedures in knee replacement (27 cases) and hip replacement (20 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 47 procedures shown here.
Has Dr. Peterson's procedure volume changed over time?
Yes. Dr. Peterson's Medicare-recorded volume has increased from 13 procedures in 2013 to 47 in the most recent data, a 262% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 71 procedures in 2018.
Does Dr. Peterson perform more than one type of joint replacement?
Yes. Dr. Peterson's Medicare data shows procedures in knee replacement (27 cases), hip replacement (20 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 #15 by total Medicare procedure volume. The highest-volume surgeon in Tucson has 213 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 47 Medicare procedures are below the Tucson average of 148. The table below compares verified procedure volumes for orthopedic surgeons practicing in Tucson.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Russell Cohen | 213 | Hip, Knee |
| Dr. Michael Miller | 170 | Hip, Knee |
| Dr. John Wild | 169 | Hip, Knee |
| Dr. John Maltry | 160 | Hip, Knee |
| Dr. Edward Petrow | 145 | Hip, Knee |
| Dr. Chad Hills | 135 | 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.