Photo of Marilyn M. Heng, MD, MPH, FRCSC

Marilyn M. Heng, MD, MPH, FRCSC

  • Orthopaedic Trauma Surgeon
  • Assistant Professor of Orthopaedic Surgery, Harvard Medical School


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Dr. Heng is an attending surgeon with the Orthopaedic Trauma Service specializing in treatment of fracture, high-energy soft-tissue injuries, and post-traumatic complications of infection, nonunion, and amputation.  She also treats deformity and limb-length discrepancies using circular external fixators and lengthening IM nails.



Clinical Interests
  • Hip fractures
  • Pathological fractures
  • Metastatic disease
  • Femur and tibia fractures
  • Open fracture management
  • Amputations
  • Limb length discrepancies
  • Limb deformity correction
  • Acetabular fractures
  • Pelvic fractures
  • Osteomyelitis
  • Nonunions of fractures
  • Trauma-related infections
  • Post traumatic reconstruction
Medical Education
  • MD, University of Toronto Faculty of Medicine
  • Residency, University of Toronto Division of Orthopedic Surgery
  • Fellowship, Brigham and Women's Hospital|Fellowship, Mount Sinai Hospital
Board Certifications
  • Orthopaedic Surgery
  • Boston: Massachusetts General Hospital
Existing Patients
Patient Gateway
Insurances Accepted
  • Aetna Health Inc.
  • AllWays Health (NHP) - ACD
  • AllWays Health (NHP) - PBO
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • BMC HealthNet Mass Health MCO/ACO
  • Cigna (PAL #'s)
  • Commonwealth Care Alliance
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • MassHealth
  • Medicare
  • Medicare - ACD
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Rhode Island
  • OSW - Vermont
  • Private Health Care Systems (PHCS)
  • Railroad Medicare
  • Railroad Medicare - ACD
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
  • Well Sense Pediatrics

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Patient Age Group
Provider Gender


Dr. Heng obtained her medical degree from the University of Toronto. She completed her Orthopaedic Surgery Residency at the University of Toronto in 2012 and is board-certified in Orthopaedic Surgery by the Royal College of Physicians and Surgeons of Canada and the American Board of Orthopaedic Surgery. She received subspecialty training in Orthopaedic Trauma from the Harvard Combined Trauma Fellowship at Massachusetts General Hospital and Brigham & Women's Hospital. She has also completed a second subspecialty fellowship in Orthopaedic Oncology from Mt. Sinai Hospital at the University of Toronto, Canada.

Research & Publications

Research Summary

Dr. Heng has completed a Masters of Public Health (MPH) degree through the Johns Hopkins Bloomberg School of Public Health, Baltimore, MD  with a certificate in Quality, Patient Safety and Outcomes Research.  Her research interests include improving patient quality of care through efficiency, management and directed measurement of patient outcomes related to performance.

She is interested in multi-disciplinary approaches to quality of care involving the collaboration of geriatricians, nursing, public-health professionals, and engineers with surgeons.


View my most recent publications at PubMed

Select Publications:

  • Heng M, Wright JG. Dedicated operating room for emergency surgery improves access and efficiency. Canadian J Surg. 2013; 56(3): 167-174.
  • Heng M, Kwon JY. A percutaneous osteotomy for irreducible or malunited tongue-type calcaneus fractures. Foot Ankle Int. 2014; 35(4): 408-414.
  • Menendez ME, Ring D, Heng M. Proximal humerus fracture with injury to the axillary artery: A population-based study. Injury. 2015; 46(6): 1367-1371.
  • Heng M, Eagen CE, Javedan H, Kodela J, Weaver MJ, Harris MB. Abnormal mini-cog is associated with higher risk of complications and delirium in geriatric fracture patients. J Bone Joint Surg (Am). 2016 May 4; 98(9): 742-750.
  • Finger A, Teunis T, Hageman MG, Ziady ER, Ring D, Heng M. Association between opioid intake and disability after operative treatment of ankle fractures. J Am Acad Orthop Surgeons. 2017; 25(5): 519-526.
  • Heng M, McTague MF, Lucas RC, Harris MB, Vrahas MS, Weaver MJ. Patient perceptions of the use of medical marijuana in the treatment of pain following musculoskeletal trauma: A survey of patients at two trauma centers in Massachusetts. J Orthop Trauma. 2018; 32(1): e25-e30.
  • Van der Vliet QMJ, Hietbrink F, Casari F, Leenan LPH, Heng M. Factors influencing functional outcomes of subtalar fusion for posttraumatic arthritis after calcaneal fracture. Foot Ankle Int. 2018. 39(9): 1062-1069.
  • Basilico M, Bhashyam AR, Harris MB, Heng M. Prescription opioid type and the likelihood of prolonged opioid use after orthopaedic surgery. J Am Acad Orthop Surgeons. 2018 Oct 4. doi: 10.5435/JAAOS-D-17-00663. 

News & Events


Orthopaedic Associates
55 Fruit Street
Boston, MA 02114-2696
Phone 1: 617-643-0149
Phone 2: 617-726-9111
Fax: 617-726-8214

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