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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. Ronald Nahass, Infectious Disease Physician is Good. Dr. Nahass has been reviewed by 8 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 4.0
Courteous Staff 4.4
Accurate Diagnosis 4.4
Bedside Manner 3.9
Spends Time with Me 3.9
Follows Up After Visit 3.7

Specialties & Research

Dr. Ronald Nahass, FACP, MD is board certified in Infectious Disease.

  • He has special expertise in 11 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Flu (Human Influenza)
  • Gastrointestinal Diseases (GI Diseases)
  • HIV Infections
  • Hepatitis
  • Hepatitis B
  • Hepatitis C
  • Lyme Disease
  • Viral Human Hepatitis
  • Wound Infection
  • Wounds and Injuries

Education & Awards

Dr. Nahass graduated from UMDNJ Robert Wood Johnson, Piscataway. He has 4 awards.

Castle Connolly America's Top Doctors® (2004 - 2008, 2010 - 2015)
Castle Connolly Top Doctors: New York Metro Area™ (1999 - 2008, 2010 - 2015)
Patients' Choice Award (2010)
Compassionate Doctor Recognition (2010)


Dr. Nahass has 12 hospital affiliations:

  • Robert Wood Johnson Univ Hosp 
  • Saint Peter's University Hospital 


  • Hungarian
  • Spanish
  • Polish
  • English

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Additional Information
Dr. Ronald G Nahass FACP and MD is a male Infectious Disease Specialist, has 29 years of experience and practices in Infectious Disease.
Where does Dr. Ronald G. Nahass practice?
Dr. Ronald Nahass has 6 office locations.
Dr. Ronald Nahass practices Infectious Disease near Hillsborough, NJ.
Additional practice locations include: Cedar Knolls, NJ and Princeton, NJ.
See Hillsborough Infectious Disease Doctors.