Photo of Zachary S. Peacock, MD, DMD

Zachary S. Peacock, MD, DMD


Accepting New Patients



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
Medical Education
  • DMD, Harvard School of Dental Medicine
  • MD, University of California, San Francisco, School of Medicine
  • Residency, University of California San Francisco School of Dentistry
Board Certifications
  • Oral & Maxillofacial Surgery
  • Boston: Massachusetts General Hospital
Patient Gateway
Yes, learn more
Insurances Accepted
  • Aetna Health Inc.
  • 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
  • Centene/Celticare
  • Cigna (PAL #'s)
  • 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
  • Medicaid
  • Medicaid Dental
  • Medicare
  • Medicare - ACD
  • Met Life Dental
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • 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
Patient Age Group
Adult and Pediatric

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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 currently an attending oral and maxillofacial surgeon at Mass General and is Assistant Professor of Oral and Maxillofacial Surgery at Harvard School of Dental Medicine.  

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Research & Publications


View my most recent publications at PubMed

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

Peacock ZS et al, Involvement of PTCH1 mutations int he calcifying epithelial odontogenic tumor. Oral Oncol 2010 46(5):387-92

Peacock ZS et al, Exploring the reasons for delay in treatment of oral cancer. J Am Dent Assoc 2008 139(10):1346-52

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

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