Photo of Joshua P. Metlay, MD, PhD

Joshua P. Metlay, MD, PhD

  • Chief, Division of General Internal Medicine


Not Accepting New Patients



Primary Care


Clinical Interests
  • Immunization
  • Community-acquired pneumonia
  • Acute Bronchitis
  • Antibiotic prescribing
  • Antibiotic Resistant Infections
  • Clinical Decision Support
  • Quality Improvement
  • Patient reported measures of health outcomes
  • Hospital Medicine
  • Adult primary care medicine
  • General internal medicine
Medical Education
  • PhD, Rockefeller University
  • MD, Weill Cornell Medical College
  • Residency, University of Pittsburgh Medical Center
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Internal Medicine
  • Boston: Massachusetts General Hospital
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
  • Maine Community Health Options (MCHO)
  • MassHealth
  • Medicare
  • Medicare - ACD
  • 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. Joshua P. Metlay, MD, PhD, is Chief, Division of General Internal Medicine 

Dr. Metlay received his bachelor's degree from Yale University, his PhD in Immunology from Rockefeller University, and his MD from Cornell University Medical College.  He completed residency and chief residency in internal medicine at the University of Pittsburgh and a fellowship in general internal medicine and epidemiology at the Massachusetts General Hospital.  He also received a Master of Science in Health Policy and Management from the Harvard School of Public Health. 

Dr. Metlay's research spans two major areas, the epidemiology of drug resistance among common bacterial respiratory pathogens, particularly S. pneumoniae and the development and evaluation of interventions to improve the quality of treatment decisions for respiratory tract infections.  This research has led to numerous federal grants from NIAID, CDC, and AHRQ and roles on national advisory committees in the area of infectious diseases epidemiology.

Dr. Metlay is dedicated to education and mentorship.  He has been recognized with a number of honors including the Lindback Foundation Award for Distinguished Teaching in 2008 (Pen's highest teaching honor), the Mid-Career Research and Mentorship Award from the Society of General Internal Medicine in 2010, and the Arthur Asbury Outstanding Faculty Mentorship Award from the Perelman School of Medicine at the University of Pennsylvania in 2011. 

Research & Publications

Research Summary
Dr. Metlays research program is in the fields of clinical epidemiology and health services research, specifically focused on generating and implementing evidence to optimize the management of patients with community-acquired pneumonia. He has led numerous multi-institutional clinical studies, including cluster randomized trials, and has specific expertise in developing methods for primary and secondary data collection, outcome measurement and analysis. His current work is  focused on development, implementation and evaluation of interventions to improve the quality of healthcare and reduce medical errors.

View my most recent publications at PubMed

News & Events

  • Metlay appointed Peter L. Gross, MD, Chair in Medicine

    On Nov. 3, a reception at the Paul S. Russell, MD Museum of Medical History and Innovation celebrated the establishment of the Peter L. Gross, MD, Chair in Medicine and the appointment of Joshua P. Metlay, MD, PhD, chief of the Division of General Internal Medicine, as the inaugural incumbent.


Internal Medicine Associates Team 3
15 Parkman Street
Boston, MA 02114-3117
Phone: 617-724-4600
Fax: 617-724-7799
Bigelow Teaching Service-Inpatient Only Service
55 Fruit Street
Boston, MA 02114-2696
Phone: 617-643-0596
Fax: 617-724-7441

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