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  • Director, The Rheumatoid Arthritis Center, Northwell Health
  • Director, Rheumatology Continuing Medical Education, Northwell Health
  • Assistant Professor of Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell

About the investigator

Dr. Horowitz is involved with both NIH and industry sponsored research.

Research focus

  • Rheumatoid arthritis novel therapeutics
  • Comparative effectiveness
  • Medical decision making
  • Rheumatoid arthritis therapeutic use
  • Shared decision making
  • Bone Health in rheumatoid arthritis
  • Research Specialty: Rheumatology


North Shore-LIJ Medical Center, New York Univeristy
Degree: Fellowship

St. Vincent’s Catholic Medical Center, New York College of Medicine
Degree: Chief Resident

St. Vincent’s Catholic Medical Center, New York College of Medicine
Degree: Residency

State Univeristy of New York at Stony Brook College of Medicine
Degree: MD

Univeristy of Pennsylvania
Degree: BA

Honors & awards

  • 2000 BA Cum Laude


  1. Horowitz, DL, Furie, RA. “Belimumab is Approved by the FDA: What More Do We Need to Know to Optimize Decision Making?” Curr Rheumatol Rep. 2012 DOI 10.1007/s11926-012-0256-4
  2. Horowitz, DL, Furie, RA. “Does Belimumab Reduce Disease Activity in Adults with Systemic Lupus Erythrematosus?” Clinical Medicine Reviews in Therapeutics. 2012:4 71-78.
  3. Horowitz, DL, Katzap, E, Horowtiz, S, Barilla-LaBarca, ML. “Approach to septic Arthritis.” Am Fam Physician. 84(6): 653-60. 2011.
  4. Horowitz, DM and Furie, RA. “Abetimus Sodium: A Medication for the Prevention of Lupus Nephritis Flares.” Expert Opinion Pharmacotherapy. 10(9): 1501-7. 2009.
  5. Korutla L, Wang PJ, Lewis DM, Neustadter JH, Stromberg MF, and Mackler SA. “Differences in Expressions, Actions and Cocaine Regulation of Two Isoforms for the Brain Transcriptional Regulator NAC-1.” Neuroscience. 110(3): 421-9, 2002.