Knee
Dr. Robert Spang, MD
Dr. Robert Spang is a board-certified orthopedic surgeon practicing in Boston, Massachusetts. A Medicare provider since 2013, Dr. Spang has performed 12 Medicare-verified knee replacements, ranking #155 in Massachusetts.
In Massachusetts, Dr. Spang performs below average in knee (12 vs 51 avg).
Dr. Spang's Medicare data shows a focused knee replacement practice with 12 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.
Boston is home to 50 orthopedic surgeons in the current Medicare dataset. Patients in the Boston area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Spang first appears in the Medicare dataset in 2020. With 2 years of recorded data, the longitudinal trend is still developing.
Dr. Spang's 12 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Spang Compares
Procedure volume compared to the Massachusetts state average.
Contact & Location
Boston, MA 02114
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Spang has 2 years of Medicare procedure data beginning in 2020. Additional years of data will provide a clearer picture of volume trends.
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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Spang
How does Dr. Spang's procedure volume compare to other Massachusetts surgeons?
Dr. Spang has performed 12 Medicare-verified joint replacement procedures. The Massachusetts average is 74 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Spang ranks #197 out of 202 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Spang perform?
Dr. Spang's reported Medicare volume is focused on knee replacement, with 12 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Spang in Boston?
Yes. There are 50 orthopedic surgeons in Boston 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 Massachusetts surgeons.
What does the Medicare data for Dr. Spang 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. Spang's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 12 procedures shown here.
Which hospitals is Dr. Spang affiliated with?
According to CMS facility affiliation data, Dr. Spang is affiliated with Anna Jaques Hospital, Beverly Hospital Corporation.
How does Dr. Spang compare to other orthopedic surgeons in Boston?
Among the 50 orthopedic surgeons in Boston, Dr. Spang ranks #50 by total Medicare procedure volume. The highest-volume surgeon in Boston has 312 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Spang practices?
Anna Jaques Hospital (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Beverly Hospital Corporation (3 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 Boston, Massachusetts
Dr. Spang's 12 Medicare procedures are below the Boston average of 185. The table below compares verified procedure volumes for orthopedic surgeons practicing in Boston.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Carl Talmo | 312 | Hip, Knee |
| Dr. Young-Min Kwon | 229 | Hip, Knee |
| Dr. James Bono | 214 | Hip, Knee |
| Dr. Dennis Burke | 210 | Hip, Knee |
| Dr. Eric Smith | 164 | Hip, Knee |
| Dr. Wolfgang Fitz | 156 | Knee |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
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