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John J Oppenheimer,  MD

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John J Oppenheimer, MD

Allergy and Immunology

4.8
(226)

Male

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John J Oppenheimer, MD

About me

John J. Oppenheimer, MD, is an allergist-immunologist with Atlantic Medical Group (AMG). Board-certified in allergy and immunology by the American Board of Allergy & Immunology, and in internal medicine by the American Board of Internal Medicine, he has more than 30 years of experience treating disorders of the immune system, including food, insect, and respiratory allergies, eczema, asthma, and immune deficiencies. He is dedicated to providing compassionate, personalized care to all patients, and making sure they are educated about their condition and treatment.

After earning his medical degree from Temple University School of Medicine, Philadelphia, PA, Dr. Oppenheimer performed a residency in internal medicine at Robert Wood Johnson University Hospital, New Brunswick, NJ. He then completed a fellowship in allergy and clinical immunology at the National Jewish Center for Immunology and Respiratory Medicine, Denver, CO. He also holds a BA in biology from Lafayette College and has served as a clinical professor and prior introduction to clinical medicine course director at the University of Medicine and Dentistry of New Jersey, Newark, NJ, and as an instructor in medicine at the University of Colorado Health Science Center and National Jewish Center in Colorado.

Dr. Oppenheimer has authored over 300 publications, delivered numerous national and international presentations, received multiple awards, and is a member of professional organizations such as the American Academy of Allergy and Immunology, American College of Allergy and Immunology, and New Jersey Allergy and Immunology Society. He previously served as chairman of the board of directors for the American Board of Allergy and Immunology. He is a participating provider of the Atlantic Accountable Care Organization.

Areas of focus: Allergy, Asthma, Clinical Studies

SPECIALTIES

  • Allergy and Immunology

AFFILIATIONS

  • Atlantic Medical Group

  • Morristown Medical Center

Where to see me

Insurance

Please contact the practice to confirm your health plan is accepted.

Education & Experience

TRAINING

Temple University School of MedicineMedical School
University Hospital - NewarkResidency
National Jewish CenterFellowship

BOARD CERTIFICATIONS

Allergy and ImmunologyAmerican Board of Allergy and Immunology
Internal MedicineAmerican Board of Internal Medicine

Patient Reviews

OVERALL RATING

4.8

(226 ratings)
20 reviews
  • 5.0
    Mar 28, 2025
    Pleased with the entire visit. Excellent care.
  • 5.0
    Mar 28, 2025
    Dr. Oppenheimer has the best bedside manner I have encountered. He was kind, funny and clearly brilliant in his field. I am glad there was a student witnessing our appointment. More doctors should take lessons on how to interact with patients like Dr Oppenheimer.
  • 5.0
    Mar 26, 2025
    I had a fantastic experience at this office. All the staff were polite and professional. Dr. Oppenheimer listened to all my concerns, answered them in an easy to understand way and did not make me feel rushed. The nurse Caitlin who performed the allergy testing was so kind and knowledgeable which made me very comfortable since I didn't know what to expect. The medical assistant who brought me in for my visit was also very nice. 10/10 visit. I will be highly recommending this Doctor to friends and family.
  • 5.0
    Mar 24, 2025
    Dr.Oppenheimer is an excellent doctor.
  • 5.0
    Mar 15, 2025
    I always have good experiences. Everyone is courteous and considerate.