Clinical Interests
  • Pituitary tumors
  • Prolactinomas
Medical Education
  • MD, Harvard Medical School
  • Residency, Brigham and Women's Hospital
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Endocrinology
  • Diabetes & Metabolism
Foreign Languages
  • Greek
  • 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
  • Private Health Care Systems (PHCS)
  • 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


Markella V. Zanni, MD, is a physician in the Massachusetts General Hospital Neuroendocrine Clinical Center (MGH NECC), a Faculty member in the Neuroendocrine Unit at MGH, and an Assistant Professor of Medicine at Harvard Medical School. She is a clinical researcher in the MGH Program in Nutritional Metabolism and she studies metabolic and cardiovascular complications of inflammation.

Research & Publications

Research Summary
Dr. Zanni is a clinical researcher who studies metabolic and cardiovascular complications of inflammation. Specifically, her research interests include the role of systematic inflammation in mediating cardiovascular and metabolic compilation in a variety of disease states including obesity, HIV, and psoriasis. Dr. Zanni is also interested in the neuroendocrine regulation of obesity.

View my most recent publications at PubMed

Zanni MV*, Burdo TH*, Makimura H, Williams KC, Grinspoon SK. Relationship between Monocyte/Macrophage Activation Marker Soluble CD163 and Insulin Resistance in Obese and Normal-Weight Subjects. Clin Endocrinol. 2011 Nov 19. (PMID 22098563)  

Zanni MV*, Abbara SA*, Lo J, Wai B, Hark D, Marmarelis E, Grinspoon SK. "Increased Coronary Atherosclerotic Plaque Vulnerability by Coronary Computed Tomography Angiography in HIV-Infected Men." AIDS. 2013 May 15;27(8):1263-72. PMC3740057

Zanni MV*, Kelesidis* T, Fitzgerald ML, Lo J, Abbara S, Wai B, Marmarelis E, Hernandez NJ, Yang OO, Currier JS, Grinspoon SK. HDL redox activity is increased in HIV-infected men in association with macrophage activation and noncalcified coronary atherosclerotic plaque. Antivir Ther. 2014 Feb 17. Epub ahead of print. PMID 24535655. 


Neuroendocrine and Pituitary Tumor Clinical Center
55 Fruit Street
Cox 140
Boston, MA 02114-2696
Phone: 617-726-7948
Fax: 617-726-1241