Oral & Maxillofacial Surgery

Centers & Specialties

MassGeneral Hospital for Children

Clinical Interests
  • Orthognathic surgery (corrective jaw surgery)
  • Maxillofacial pathology
  • Pediatric maxillofacial surgery
  • Dental implants
  • Dentoalveolar surgery (third molars, extractions)
  • Bone grafting
  • Oral and maxillofacial surgery
  • Pediatric Oral and Maxillofacial Surgery
Medical Education
  • DMD, Harvard School of Dental Medicine
  • MD, UC San Francisco School of Medicine
  • Residency, UC San Francisco School of Dentistry
Board Certifications
  • Oral & Maxillofacial 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 - Dental
  • 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
  • Delta Dental
  • 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
  • Medicaid Dental
  • Medicare
  • Medicare - ACD
  • Met Life Dental
  • OSW - Connecticut
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - New Hampshire Dental
  • OSW - New York
  • 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
Adult and Pediatric
Provider Gender


Dr. Zachary Peacock practices the full scope of oral and maxillofacial surgery, including orthognathic surgery, pediatric oral and maxillofacial surgery, and dentoalveolar surgery including dental implants.   His research interests include orthognathic surgery and benign and malignant pathology of the maxillofacial region.  He is a Diplomate of the American Board of Oral and Maxillofacial Surgery.

Originally from rural Michigan, Dr. Peacock completed his undergraduate work at Michigan State University before receiving his DMD from the Harvard School of Dental Medicine. He graduated summa cum laude, ranking first in his class. He then received his MD degree and completed residency training in oral and maxillofacial surgery at the University of California, San Francisco.

After residency, Dr. Peacock returned to Boston, completing the Mass General Pediatric Oral and Maxillofacial Surgery Fellowship.  He is an attending oral and maxillofacial surgeon at Mass General and is Assistant Professor of Oral and Maxillofacial Surgery at Harvard School of Dental Medicine.  He is co-director of the Cleft and Craniofacial Center at Mass General Hospital for Children and Shriner's Hospital for Children - Boston. 

Research & Publications


View my most recent publications at PubMed

Select Publications:

  • Susarla SM, Peacock ZS, Images in clinical medicine. Obstructive parotitis. N Engl J Med, 2012 
  • Peacock ZS et al, Do histologic criteria predict behavior of giant cell lesions? J Oral Maxillofac Surg 2012 Feb 25 
  • Guthrie D, Peacock ZS et al, Preoperative incisional and itraoperative frozen section biopsy techniques have comparable accuracy in diagnosis of benign intraosseous jaw pathology. J Oral Maxillofac Surg, 2012 Jan 27 
  • Peacock ZS et al, Giant cell lesions of the jaw. Does the level of vascularity and angiogenesis correlate with behavior. J Oral Maxillofac Surg 2011 Nov 19 
  • Peacock ZS et al, Accessory mandibular condyle at the coronoid process, J Craniofac Surg, 2011 22(6):2168-71 
  • Gordon CR, Susarla SM, Peacock ZS et al, Osteocutaneous maxillofacial allotransplantation. Plast Reconstr Surg. 2011 128(5):465e-479e 
  • Susarla SM, Peacock ZS et al, Percutaneous dilatational tracheostomy: review of technique and evidence for its use. J Oral Maxillofac Surg. 2012 70(1):74-82 
  • Peacock ZS et al, Replication of ancient Egyptian osteotomies of the facial skeleton: insights into the mummification process. Int J Oral Maxillofac Surg. 2011 40(11):1301-6 
  • Peacock ZS et al, Modification of the bilateral sagittal split osteotomy for the asymmetric mandible, J Oral Maxillofac Surg. 2011 69(9):2437-41 
  • Jun JH, Peacock Z et al, Alveolar ridge augmentation using lingual tori. J Oral Maxillofac Surg 2010 68(11):2906-8 

News & Events

  • A world of possibility

    April 16 was a life-changing day for 5-year-old Michael Kostecki. The tracheostomy tube that he had for almost his entire life was finally removed.


Oral and Maxillofacial Surgery
15 Parkman Street
Boston, MA 02114-3117
Phone: 617-726-2740
Fax: 617-726-2814