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

Heng, Marilyn M., MD, MPH, FRCSC

  • Orthopaedic Trauma Surgeon
  • Instructor in Orthopaedic Surgery, Harvard Medical School


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Dr. Heng is an attending physician with the Orthopaedic Trauma Service specializing in the treatment of fractures, high-energy soft-tissue injuries, and post-traumatic complications of infection and nonunion.



Clinical Interests
  • Acetabular fractures
  • Complications of trauma
  • Femur fractures
  • Hip fractures
  • Nonunions of fractures
  • Orthopedic trauma
  • Osteomyelitis
  • Pathological fractures
  • Pelvic fractures
  • Polytrauma
  • Post traumatic reconstruction
  • Tibia fractures
  • Trauma-related infections
  • Limb deformity correction
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
  • Boston: Massachusetts General Hospital
Patient Gateway
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Insurances Accepted
  • Aetna Health Inc.
  • 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
  • Cigna (PAL #'s)
  • 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
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • OSW - Maine
  • OSW - New Hampshire
  • 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

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

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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.

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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.


Selected Publications:

Heng, M. and Wright, J.G. Dedicated Operating Room for Emergency Surgery Improves Access and Efficiency. Canadian Journal of Surgery. 2013; 56(3): 167-174.

Heng, M. and Kwon, J.Y. A percutaneous osteotomy for irreducible or malunited tongue-type calcaneus fractures. Foot and Ankle International. 2014; 35(4): 408-414.

Heng, M., Eagen, C.E., Javedan, H., Kodela, J., Weaver, M.J., and Harris, M.B. Abnormal Mini-cog is Associated with Higher Risk of Complications and Delirium in Geriatric Fracture Patients. Journal of Bone and Joint Surgery (Am). 2016; 98: 742-50.

Yun, B., Hunink, M.G., Prabhakar, A., Heng, M., Liu, S., Qudsi, R., Raja, A. Diagnostic Imaging Strategies for Occult Hip Fractures – A Decision and Cost-effectiveness Analysis. Academic Emergency Medicine. (Accepted for publication June 7, 2016).

Weaver, M.J., and Heng, M.   Orthopedic Approach to the Early Management of Pelvic Injuries. Current Trauma Reports. 2015; 1(1): 16-25, DOI: 10.1007/s40719-014-0005-4.

Von Keudall, A., Weaver, M.J., Appleton, P., Bae, D., Dyer, G.S., Heng, M., Jupiter, J.B., Vrahas, M.S. The diagnosis and treatment of acute extremity compartment syndrome – A surgical emergency. Lancet. 2015; 386: 1299-1310.

Heng, M. Acute Pelvic Packing. Operative Techniques in Orthopaedics. 2015; 25: 255-260, DOI: 10.1053/j.oto.2015.08.001



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News & Events

  • Harvard Medical School welcomes the Harvard Medical School Orthopedic Trauma Initiative

    The primary purpose of this Initiative is to foster collaboration amongst the orthopedic trauma services at all four Harvard-affiliated teaching hospitals in Boston: Beth Israel Deaconess Medical Center; Boston Children’s Hospital; Brigham and Women’s Hospital; and Massachusetts General Hospital.

  • 7th Annual Harvard Orthopedic Trauma Research Day

    Research Day provides an opportunity for us to present some of the clinical and basic science work from our HMSOTI Research group of faculty, fellows, residents, and staff. All are welcome to attend and are encouraged to be active participants in this forum.<br /><br />Please contact Michael McTague at <a href=""></a> with any questions.


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

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