Summary

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 Infectious Disease and Internal Medicine. Dr. Defronzo is affiliated with Clara Maass Medical Center.

Quick Facts

  • accepting new patients
  • 4
  • 46 years of experience
  • 34 insurance plans accepted
  • speaks English, Italian, Spanish
  • Saint Michaels Medical Center
  • 12 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Stephen Defronzo has 2 locations

Defronzo Stephen Office

216 Short Hills AveSpringfield, NJ 07081
Mon11:00 am - 6:00 pm
Tue11:00 am - 8:00 pm
Wed11:00 am - 5:00 pm
Thu11:00 am - 8:00 pm
Fri11:00 am - 4:00 pm
SatClosed
SunClosed

Overlook Medical Center

99 Beauvoir AveSummit, NJ 07901

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Dr. Stephen Defronzo, MDDr. Candace L. Johnson, MDDr. Thomas H Mcconville, MDDr. Sallie R Permar, MD, PhD
Infectious DiseaseInfectious DiseaseInfectious DiseaseInfectious Disease
Accepts New Patients Accepts New Patients Accepts New Patients
46 Years of Experience 17 Years of Experience 13 Years of Experience 22 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Italian, Spanish Speaks English
Springfield , NJNew York , NYNew York , NYNew York , NY
Med School: Universidad Autonoma De Guadalajara Facultad De Medicina Med School: Michigan State University College Of Human Medicine Med School: New York University School Of Medicine Med School: Harvard Medical School
Current Profile
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Insurance Plans Accepted by Dr. Stephen Defronzo

  • Accepts Medicaid
  • Aetna
  • Aetna - Medicare
  • Aetna Better Health - Medicaid (Managed)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Braven Health (Horizon Blue Cross Blue Shield of New Jersey)
  • Cigna
  • Clover Health
  • Clover Health - HMO
  • Contra Costa Health Plan
  • EmblemHealth
  • HealthFirst (NY)
  • Horizon Blue Cross Blue Shield of New Jersey
  • Horizon NJ Health
  • Humana - HMO
  • MagnaCare
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Meritain Health - HMO
  • Optum Health
  • Oscar Health Insurance
  • Oscar Health Insurance - PPO
  • STLDentalPlan| LLC
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Community Plan
  • UnitedHealthcare Community Plan - HMO
  • UnitedHealthcare Oxford
  • UnitedHealthcare Oxford - HMO
  • US Family Health Plan
  • Wellcare

Medical Specialties

Dr. Stephen Defronzo has the following 2 specialties

Specialty Expertise

Dr. Stephen Defronzo has the following 9 areas of expertise

  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Fever
  • Hepatitis C
  • Human Immunodeficiency Virus (HIV/AIDS)
  • Immunization
  • Infection
  • Internal Medicine
  • Lyme Disease
  • Vaccination

Certifications, License, & Education

46 Years Experience

Dr. Stephen Defronzo holds an active medical license in the state of New Jersey.

Medical License

Medical Doctor with an active medical license in the state of New Jersey that expires in 2027.

Education & Training

Residency

Completed their residency at Saint Michaels Medical Center.

Medical School

Graduated from Universidad Autonoma De Guadalajara Facultad De Medicina in 1980.

NPI Number

Dr. Defronzo's NPI number is 1922056548.

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Frequently Asked Questions

Is Dr. Stephen Defronzo accepting new patients?
Dr. Stephen Defronzo is accepting new patients on Vitals. View Dr. Stephen Defronzo's profile on Vitals to make an appointment.
Does Dr. Stephen Defronzo accept my insurance?
You can see the insurance plans that Dr. Stephen Defronzo accepts on their Vitals profile.
What languages does Dr. Stephen Defronzo speak?
Dr. Stephen Defronzo speaks English, Italian, and Spanish.
Which hospitals is Dr. Stephen Defronzo affiliated with?
Dr. Stephen Defronzo is affiliated with Clara Maass Medical Center.
How can I make an appointment with Dr. Stephen Defronzo?
You can find contact information for Dr. Stephen Defronzo here on Vitals.

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