Internist, Rheumatologist
35 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Leonard Sigal is Average. Dr. Sigal has been reviewed by 6 patients who have provided 4 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.3
Promptness 2.3
Courteous Staff 3.7
Accurate Diagnosis 2.7
Bedside Manner 2.3
Spends Time with Me 2.8
Follows Up After Visit 2.3

Specialties & Research

Dr. Leonard Sigal, MD is board certified in Internal Medicine and Rheumatology.

  • He has special expertise in 11 areas:
  • Autoimmune Diseases
  • Fibromyalgia
  • Hip Osteoarthritis
  • Infectious Arthritis (septic arthritis)
  • Knee Osteoarthritis
  • Lyme Disease
  • Osteoarthritis (Hand and Wrist)
  • Reiter's Syndrome (Reactive Arthritis)
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Systemic Lupus Erythematosus (SLE)

Education & Awards

Dr. Sigal graduated from Stanford University. He has 2 awards.

One of America's Leading Experts on:
Infectious Arthritis
Lyme Disease


Dr. Sigal has 3 hospital affiliations:

  • Saint Peter's University Hospital 
  • Robert Wood Johnson Univ Hosp 
  • St Peter`s Medical Center 

> > > > Dr. Leonard Sigal, MD

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Additional Information
Dr. Leonard Harry Sigal MD is a male Internist, has 35 years of experience and practices in Internal Medicine and Rheumatology.
Where does Dr. Leonard H. Sigal practice?
Dr. Leonard Sigal has 2 office locations.
Dr. Leonard Sigal practices Internal Medicine and Rheumatology near New Brunswick, NJ.
Additional practice locations include: Hillsborough, NJ.
See New Brunswick Internists and New Brunswick Rheumatologists.