Photo of Sebastian H. Unizony, MD

Sebastian H. Unizony, MD

  • Co-Director, Vasculitis and Glomerulonephritis Center - Rheumatology


Accepting New Patients





Clinical Interests
  • Giant cell arteritis
  • ANCA-associated vasculitis
  • Aortitis
  • Behcet's syndrome
  • Cryoglobulinemia
  • Dermatomyositis
  • Rheumatoid arthritis
  • Lupus
Medical Education
  • MD, Universidad Nacional de La Plata
  • Residency, Hospital Carlos Durand|Residency, St. Luke's Roosevelt Hospital Center
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Internal Medicine
  • Rheumatology
Foreign Languages
  • Spanish
  • Boston: Massachusetts General Hospital
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 - Rhode Island
  • 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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Research & Publications


View my most recent publications at PubMed

  1. Unizony S, Villarreal M, Miloslavsky EM et al. Clinical outcomes of treatment of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis based on ANCA type. Ann Rheum Dis. 2015 Nov 30.
  2. Wallace ZS, Lu N, Unizony S, Stone JH, et al. Improved survival in granulomatosis with polyangiitis: A general population-based study. Semin Arthritis Rheum. 2015 Aug 3.
  3. Unizony SH, Kim ND, Hoang MP. Case Records of the Mass General Hospital. Case 7-2015: A 25-year-old man with oral ulcers, rash, and odynophagia. N Engl J Med. 2015 Feb 26; 372(9):864-72.
  4. Unizony S, Menendez ME, Rastalsky N, et al. Inpatient complications in patients with giant cell arteritis: decreased mortality and increased risk of thromboembolism, delirium and adrenal insufficiency. Rheumatology (Oxford). 2015 Aug; 54(8):1360-8.
  5. Unizony S, Lim N, Phippard DJ, et al. Peripheral CD5+ B Cells in Antineutrophil Cytoplasmic Antibody-Associated Vasculitis. Arthritis Rheumatol. 2015 Feb; 67(2):535-44.
  6. Miloslavsky EM, Stone JH, Unizony SH. Challenging mimickers of primary systemic vasculitis. Rheum Dis Clin North Am. 2015; 41(1):141-60, ix.
  7.  Miloslavsky E, Unizony S. The heart in vasculitis. Rheum Dis Clin North Am. 2014 Feb; 40(1):11-26.
  8. Unizony SH, Dasgupta B, Fisheleva E, et al. Design of the tocilizumab in giant cell arteritis trial. Int J Rheumatol. 2013; 2013:912562.

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Rheumatology Associates
55 Fruit Street
Boston MA, 02114-2696
Phone: 617-726-7938
Fax: 617-643-1274

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