Dr. Donald Hangen, MD
Contact & Location
Marlboro, MA 01752
Dr. Donald Hangen is a board-certified orthopedic surgeon practicing in Marlboro, Massachusetts. A Medicare provider since 2005, Dr. Hangen has performed 23 Medicare-verified knee replacements, ranking #118 in Massachusetts.
In Massachusetts, Dr. Hangen performs below average in knee (23 vs 50 avg).
Dr. Hangen's Medicare data shows a focused knee replacement practice with 23 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.
Marlboro is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Marlboro area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Hangen extend back to 2014, covering 10 years of data. Over that period, recorded procedure volume increased from 13 to 23 in the most recent data, a 77% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Hangen's 23 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
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. Hangen Compares
Procedure volume compared to the Massachusetts state average.
Volume Trend Analysis
Dr. Hangen's Medicare-recorded procedure volume has trended upward over 10 years, increasing 77% from 13 procedures in 2014 to 23 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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
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 Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Hangen
How does Dr. Hangen's procedure volume compare to other Massachusetts surgeons?
Dr. Hangen has performed 23 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. Hangen ranks #157 out of 203 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Hangen perform?
Dr. Hangen's reported Medicare volume is focused on knee replacement, with 23 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Hangen in Marlboro?
Yes. There are 3 orthopedic surgeons in Marlboro 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. Hangen 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. Hangen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 23 procedures shown here.
Has Dr. Hangen's procedure volume changed over time?
Yes. Dr. Hangen's Medicare-recorded volume has increased from 13 procedures in 2014 to 23 in the most recent data, a 77% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 38 procedures in 2022.
Which hospitals is Dr. Hangen affiliated with?
According to CMS facility affiliation data, Dr. Hangen is affiliated with Umass Memorial Medical Center Inc, Health Alliance - Clinton Hospital.
How does Dr. Hangen compare to other orthopedic surgeons in Marlboro?
Among the 3 orthopedic surgeons in Marlboro, Dr. Hangen ranks #2 by total Medicare procedure volume. Dr. Hangen is among the highest-volume surgeons in Marlboro.
What are the quality ratings for hospitals where Dr. Hangen practices?
Umass Memorial Medical Center Inc (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Health Alliance - Clinton Hospital (2 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Marlboro, Massachusetts
Dr. Hangen's 23 Medicare procedures are below the Marlboro average of 25. The table below compares verified procedure volumes for orthopedic surgeons practicing in Marlboro.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Markian Stecyk | 35 | Hip, Knee |
| Dr. Paul Pongor | 17 | Hip |
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.