Dr. Samuel Harmsen is a board-certified orthopedic surgeon practicing in Phoenix, Arizona. In 2023, Dr. Harmsen performed 55 Medicare-verified shoulder replacements, ranking #6 in Arizona.
Dr. Harmsen's 55 Medicare procedures are near the Arizona median of 46. The state has 193 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.
Dr. Harmsen's Medicare data shows a focused shoulder replacement practice with 55 verified procedures in 2023. 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.
Phoenix is home to 53 orthopedic surgeons in the current Medicare dataset. Patients in the Phoenix area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Verified Medicare Cases (2023)
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.
Hospital Affiliations
Verified Case Volume Trends (2013-2023)
Frequently Asked Questions About Dr. Harmsen
How does Dr. Harmsen's procedure volume compare to other Arizona surgeons?
In 2023, Dr. Harmsen performed 55 Medicare-verified joint replacement procedures. This is in line with the Arizona average of 68 procedures per surgeon. Dr. Harmsen ranks #82 out of 193 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Harmsen perform?
Dr. Harmsen's reported Medicare volume is focused on shoulder replacement, with 55 verified procedures in 2023. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Harmsen with shoulder replacement surgery?
Dr. Harmsen ranks #6 in Arizona for shoulder replacement with 55 Medicare-verified procedures in 2023. This high ranking among 193 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Harmsen in Phoenix?
Yes. There are 53 orthopedic surgeons in Phoenix 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. Harmsen represent?
The procedure counts shown are based on Medicare Part B fee-for-service claims data for 2023, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Harmsen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 55 procedures shown here.
Other Orthopedic Surgeons in Phoenix, Arizona
Compare Dr. Harmsen's volume with other surgeons practicing in Phoenix.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Steven Werner | 227 | Hip, Knee |
| Dr. Steven Hattrup | 157 | Shoulder |
| Dr. Lige Kaplan | 142 | Hip, Knee |
| Dr. Michael Wilmink | 140 | Hip, Knee |
| Dr. Mark Spangehl | 138 | Hip, Knee |
| Dr. Christina Khoury | 137 | Hip, Knee |
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Phoenix, AZ 85016