Dr. Mark Spangehl, M.D.
Dr. Mark Spangehl is a board-certified orthopedic surgeon practicing in Phoenix, Arizona. A Medicare provider since 2005, Dr. Spangehl has performed 79 Medicare-verified knee replacements (#27 in Arizona) and 59 hip replacements, for a combined total of 138 procedures.
In Arizona, Dr. Spangehl performs above average in knee (79 vs 49 avg), above average in hip (59 vs 37 avg).
Dr. Spangehl's reported Medicare volume is split between knee replacements (79 cases) and hip replacements (59 cases).
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. Spangehl extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 98 to 138 in the most recent data, a 41% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Spangehl's 79 verified procedures is above the national average of 45.
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. Spangehl Compares
Procedure volume compared to the Arizona state average.
Contact & Location
Phoenix, AZ 85054
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Spangehl's Medicare-recorded procedure volume has trended upward over 11 years, increasing 41% from 98 procedures in 2013 to 138 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. Spangehl
How does Dr. Spangehl's procedure volume compare to other Arizona surgeons?
Dr. Spangehl has performed 138 Medicare-verified joint replacement procedures. This is more than 2x the Arizona average of 68 procedures per surgeon. Dr. Spangehl ranks #27 out of 193 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Spangehl perform?
Dr. Spangehl's Medicare data shows procedures in knee replacement (79 cases) and hip replacement (59 cases).
Are there other orthopedic surgeons near Dr. Spangehl 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. Spangehl 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. Spangehl's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 138 procedures shown here.
Has Dr. Spangehl's procedure volume changed over time?
Yes. Dr. Spangehl's Medicare-recorded volume has increased from 98 procedures in 2013 to 138 in the most recent data, a 41% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 181 procedures in 2022.
Does Dr. Spangehl perform more than one type of joint replacement?
Yes. Dr. Spangehl's Medicare data shows procedures in knee replacement (79 cases), hip replacement (59 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Spangehl affiliated with?
According to CMS facility affiliation data, Dr. Spangehl is affiliated with Mayo Clinic Hospital.
How does Dr. Spangehl compare to other orthopedic surgeons in Phoenix?
Among the 53 orthopedic surgeons in Phoenix, Dr. Spangehl ranks #5 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. Spangehl practices?
Mayo Clinic Hospital (5 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 Phoenix, Arizona
Dr. Spangehl's 138 Medicare procedures are below the Phoenix average of 152. 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. Christina Khoury | 137 | Hip, Knee |
| Dr. Joshua Silver | 124 | Hip, Knee |
Patient Reviews & Ratings
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