Stephen DeFronzo, MD, Infectious Disease, Springfield, NJ, Saint Barnabas Medical Center


Infectious Disease Springfield, NJ


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  • I am a Board Certified Internist, with subspecialty Board certification in Infectious Diseases, in practice for 33yrs. I see general Internal Medicine cases as well as general Infectious Disease cases, with a special interest and expertise in HIV, Hepatitis C, Hepatitis B, Tuberculosis, Urinary Tract Infections, Pneumonias, Sexually Transmitted diseases, resistant bacterial Infections, including MRSA,ESBL, AMP-C ,MBL,KPC'S & other CRE's. Major experience with SARS 2 COVID 19 patients in both the office and Hospital setting, since early March of 2020.

Education & Training

  • St Michael's Medical CenterFellowship, Infectious Disease, 1985 - 1987
  • St Michael's Medical CenterResidency, Internal Medicine, 1982 - 1985
  • Universidad Autonoma de Guadalajara
    Universidad Autonoma de GuadalajaraClass of 1980

Certifications & Licensure

  • NJ State Medical License
    NJ State Medical License 1983 - 2021
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Infectious Disease

Awards, Honors, & Recognition

  • Dr.Peter Ho Humanitarian Award St.Michael's Med Center-1985
  • Chaired Resident Peer Review
  • NJ Top Doctor NJ Monthly Magazine, 2008, 2013
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Professional Memberships

  • Infectious Disease society of New Jersey
    Founding Member

Other Languages

  • Spanish, Italian

Hospital Affiliations