Dr. Donald Hangen, MD

Orthopedic Surgery

Dr. Donald Hangen is a board-certified orthopedic surgeon practicing in Marlboro, Massachusetts. In 2023, Dr. Hangen performed 23 Medicare-verified knee replacements (#121 in Massachusetts) and 12 hip replacements, for a combined total of 35 procedures.

Dr. Hangen recorded 35 Medicare fee-for-service procedures in 2023. Medicare data represents approximately one-third of all joint replacements nationwide, so these counts reflect only a portion of a surgeon's full practice. Massachusetts has 202 orthopedic surgeons in the current dataset.

Dr. Hangen's reported Medicare volume is split between knee replacements (23 cases) and hip replacements (12 cases).

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.

Verified Medicare Cases (2023)

Knee Replacement
23 verified cases
#121 in Massachusetts
Hip Replacement
12 verified cases
#111 in Massachusetts
Estimated total: 90 – 110 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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

H
Umass Memorial Medical Center Inc
Worcester, MA
H
Health Alliance - Clinton Hospital
Leominster, MA

Verified Case Volume Trends (2013-2023)

Frequently Asked Questions About Dr. Hangen

How does Dr. Hangen's procedure volume compare to other Massachusetts surgeons?

In 2023, Dr. Hangen performed 35 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 #132 out of 202 orthopedic surgeons in Massachusetts.

What types of joint replacement does Dr. Hangen perform?

Dr. Hangen's Medicare data shows procedures in knee replacement (23 cases) and hip replacement (12 cases).

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 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. Hangen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 35 procedures shown here.

Other Orthopedic Surgeons in Marlboro, Massachusetts

Compare Dr. Hangen's volume with other surgeons practicing in Marlboro.

SurgeonProceduresSpecialties
Dr. Markian Stecyk 33 Hip, Knee
Dr. Paul Pongor 13 Hip

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Contact & Location

📞 Phone: 508-485-1079
65 Fremont St
Marlboro, MA 01752
NPI: 1578565511
Credentials: MD
✅ Active Medicare provider (NPI verified)
📅 21 years of practice experience
🎓 Licensed MD
🏥 Licensed surgical specialist
🦴 Board-certified orthopedic surgeon
📞 Contact information available
Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately 33–37% of all joint replacement procedures nationwide (63% of Medicare fee-for-service). Always consult with healthcare providers to make informed decisions about your care.