Shoulder
Dr. Samuel Harmsen, M.D.
Dr. Samuel Harmsen is a board-certified orthopedic surgeon practicing in Phoenix, Arizona. A Medicare provider since 2009, Dr. Harmsen has performed 55 Medicare-verified shoulder replacements, ranking #6 in Arizona.
In Arizona, Dr. Harmsen performs above average in shoulder (55 vs 30 avg).
Dr. Harmsen's Medicare data shows a focused shoulder replacement practice with 55 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.
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.
Medicare records for Dr. Harmsen extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 19 to 55 in the most recent data, a 189% increase. This sustained growth reflects an expanding joint replacement practice.
Among 2,092 shoulder replacement surgeons tracked nationally, Dr. Harmsen's 55 verified procedures is above the national average of 28.
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. Harmsen Compares
Procedure volume compared to the Arizona state average.
Contact & Location
Phoenix, AZ 85016
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Harmsen's Medicare-recorded procedure volume has trended upward over 10 years, increasing 189% from 19 procedures in 2014 to 55 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:
Evidence-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.
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. Harmsen
How does Dr. Harmsen's procedure volume compare to other Arizona surgeons?
Dr. Harmsen has 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. 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. 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 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. Harmsen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 55 procedures shown here.
Has Dr. Harmsen's procedure volume changed over time?
Yes. Dr. Harmsen's Medicare-recorded volume has increased from 19 procedures in 2014 to 55 in the most recent data, a 189% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 65 procedures in 2019.
Which hospitals is Dr. Harmsen affiliated with?
According to CMS facility affiliation data, Dr. Harmsen is affiliated with Banner - University Medical Center Phoenix, Arizona Specialty Hospital.
How does Dr. Harmsen compare to other orthopedic surgeons in Phoenix?
Among the 53 orthopedic surgeons in Phoenix, Dr. Harmsen ranks #21 by total Medicare procedure volume. The highest-volume surgeon in Phoenix has 227 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Harmsen practices?
Banner - University Medical Center Phoenix (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Arizona Specialty Hospital (hip/knee complication rate above national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Phoenix, Arizona
Dr. Harmsen's 55 Medicare procedures are below the Phoenix average of 142. The table below compares verified procedure volumes for orthopedic 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 |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.