Dr. Charles Petit, M.D.
Contact & Location
503-224-8399
Lake Oswego, OR 97035
Portland, OR 97213
Dr. Petit performs more shoulder replacement procedures than 58% of orthopedic surgeons in Oregon, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #13 of 31 ranked shoulder surgeons in Oregon.
About Dr. Petit
Practice. Dr. Charles Petit is a board-certified orthopedic surgeon practicing in Lake Oswego, Oregon. The latest annual CMS data records 26 shoulder replacements, 24 knee replacements, and 20 hip replacements, 70 procedures in all. That is #13 in Oregon for shoulder replacement.
Trend. Medicare records run from 2013 to 2024, 8 years. Volume rose from 24 procedures a year to 70, up 192%.
National context. Among 2,217 shoulder replacement surgeons tracked nationally, 26 procedures is near the national average of 29.
Local context. Lake Oswego has 2 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist. Dr. Petit also holds hospital privileges in OR and WA, a practice that extends beyond Oregon.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement | Shoulder Replacement |
|---|---|---|---|
| 2013 | 13 | 11 | 0 |
| 2014 | 13 | 19 | 0 |
| 2015 | 0 | 0 | 0 |
| 2016 | 0 | 0 | 0 |
| 2017 | 0 | 0 | 0 |
| 2018 | 0 | 0 | 0 |
| 2019 | 13 | 15 | 0 |
| 2020 | 12 | 0 | 0 |
| 2021 | 18 | 0 | 0 |
| 2022 | 20 | 22 | 0 |
| 2023 | 24 | 13 | 18 |
| 2024 | 20 | 24 | 26 |
Verified Medicare Cases
How is this estimated?
Medicare Part B fee-for-service claims are one payer stream among several, and the share they represent differs by procedure. In 2024 it was 29% to 37% for shoulder replacement, 23% to 28% for knee replacement, 25% to 33% for hip replacement. Each verified count above is divided by its own procedure's range, and the results are added, to estimate total practice volume across all payers. The verified Medicare count is the definitive, audited figure; this is a range derived from published national volume projections, not a measurement, and an individual practice can sit well outside it: how these ranges are derived, and their sources.
How Dr. Petit Compares
Procedure volume compared to the Oregon state average.
Volume Trend Analysis
Dr. Petit's Medicare-recorded procedure volume has trended upward over 8 years, increasing 192% from 24 procedures in 2013 to 70 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 step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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.
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. Petit
How does Dr. Petit's procedure volume compare to other Oregon surgeons?
Dr. Petit has performed 70 Medicare-verified joint replacement procedures. This is in line with the Oregon average of 63 procedures per surgeon. Dr. Petit ranks #38 out of 101 orthopedic surgeons in Oregon.
What types of joint replacement does Dr. Petit perform?
Dr. Petit performs all three major joint replacement procedures: shoulder replacement (26 cases), knee replacement (24 cases), hip replacement (20 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
How experienced is Dr. Petit with shoulder replacement surgery?
Dr. Petit ranks #13 in Oregon for shoulder replacement with 26 Medicare-verified procedures. This high ranking among 101 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Petit in Lake Oswego?
Yes. There are 2 orthopedic surgeons in Lake Oswego 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 Oregon surgeons.
What does the Medicare data for Dr. Petit represent?
The procedure counts shown are based on 2024 Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). Medicare fee-for-service is only one payer stream, and the share of national volume it represents differs by procedure. In 2024 the share was 29% to 37% for shoulder replacement, 23% to 28% for knee replacement, 25% to 33% for hip replacement, which puts Dr. Petit's total volume across all insurers at roughly 220 to 270 procedures against the 70 verified here. Those shares are derived from published national volume projections rather than quoted from a single publication, and they are estimates with real uncertainty. The OrthoProcedures methodology page shows the full derivation, the sources, and the limits at orthoprocedures.com/data-methodology.html.
Has Dr. Petit's procedure volume changed over time?
Yes. Dr. Petit's Medicare-recorded volume has increased from 24 procedures in 2013 to 70 in the most recent data, a 192% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 70 procedures in 2024.
Does Dr. Petit perform more than one type of joint replacement?
Yes. Dr. Petit's Medicare data shows procedures in shoulder replacement (26 cases), knee replacement (24 cases), hip replacement (20 cases). Performing all three major joint replacements places Dr. Petit among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
Which hospitals is Dr. Petit affiliated with?
According to CMS facility affiliation data, Dr. Petit is affiliated with Legacy Good Samaritan Medical Center, Providence Portland Medical Center, Skyline Hospital, Adventist Health Columbia Gorge, Providence Hood River Memorial Hospital. Dr. Petit maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
What are the quality ratings for hospitals where Dr. Petit practices?
Legacy Good Samaritan Medical Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Providence Portland Medical Center (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 Lake Oswego, Oregon
Dr. Petit's 70 Medicare procedures are above the Lake Oswego average of 56. The table below compares verified procedure volumes for orthopedic surgeons practicing in Lake Oswego.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Derek Lamprecht | 42 | Knee, Shoulder |
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.