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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 (5)

The overall average patient rating of Dr. Ronald Nahass, Infectious Disease Physician is Excellent. Dr. Nahass has been reviewed by 14 patients who have provided 5 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 4.3
Courteous Staff 4.6
Accurate Diagnosis 4.5
Bedside Manner 4.3
Spends Time with Me 4.3
Follows Up After Visit 4.1

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 1 office location.
Dr. Ronald Nahass practices Infectious Disease near Hillsborough, NJ.
See Hillsborough Infectious Disease Doctors.