arrow
  • Infectious Disease, Internal Medicine
  • Accepting new patients
  • 45 years of experience
  • Defronzo Stephen Office 216 Short Hills Ave, Springfield, NJ 07081
  • (973) 376-7838

Brief Intro

Dr. Defronzo graduated from the Universidad Autonoma De Guadalajara Facultad De Medicina in 1980. He works in Springfield, NJ and 1 other location and specializes in Internal Medicine and Infectious Disease. Dr. Defronzo is affiliated with Clara Maass Medical Center.

View More

Education Background

RESIDENCY

Saint Michaels Medical Center

MEDICAL SCHOOL

Universidad Autonoma De Guadalajara Facultad De Medicina - 1980

Languages Spoken

  • Spanish
  • Italian
  • English

Location & Hours

  • Defronzo Stephen Office
  • 216 Short Hills Ave, Springfield, NJ 07081
  • Mon:11:00 am - 6:00 pm
    Tue:11:00 am - 8:00 pm
    Wed:11:00 am - 5:00 pm
    Thu:11:00 am - 8:00 pm
    Fri:11:00 am - 4:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Internal Medicine
  • Infectious Disease

Conditions Addressed

  • Herpes Zoster
  • Shigellosis
  • Herpes Simplex
  • Chickenpox
  • Infectious Mononucleosis
  • Herpes Genitalis
  • Lyme Disease
  • Candidiasis of Vulva and Vagina
  • Sexually Transmitted Diseases (STDs)
  • HIV Infection
View More

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Contra Costa Health Plan
  • HealthPartners
  • Wellcare
  • Clover Health
  • Braven Health (Horizon Blue Cross Blue Shield of New Jersey)
  • UnitedHealthcare
  • Optum Health
  • UnitedHealthcare Oxford
  • Aetna
  • Medicare
  • Horizon Blue Cross Blue Shield of New Jersey
  • US Family Health Plan
  • MagnaCare
  • Humana
  • EmblemHealth
  • Blue Cross Blue Shield
  • CHAMPVA
  • Horizon NJ Health
  • HealthFirst (NY)
  • UnitedHealthcare Community Plan
  • Aetna Better Health
View More
  • Cancer 31
  • Cardiology, Heart & Vascular Surgery 14
  • Orthopedics 41
  • Neurology & Neurosurgery 30
  • Gastroenterology & GI Surgery 43
  • Pulmonology & Lung Surgery 51
  • Diabetes & Endocrinology 32
  • Children's Hospital 13
  • Urology 51
  • Psychiatry 35
  • Geriatrics 49
  • Rehabilitation 14
  • Obsterics & Gynecology 10
  • Ear, Nose & Throat 5
  • Long Term Care 9
  • Maternity Care (Uncomplicated Pregnancy) 32