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John J Oppenheimer, MD

Accepting New Patients

Telehealth

John J Oppenheimer, MD

Allergy, Immunology

4.9
(210)

Male

Want to know your insurance options?

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Call 973-267-3646

About me

SPECIALTIES

  • Allergy

  • Immunology

AFFILIATIONS

  • Accountable Care Organization

  • Morristown Medical Center

Where to see me

Impact Medical Allergy Asthma and Immunology

261 James Street Suite 3F Morristown, NJ 07960
973-267-3646

Insurance

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

  • Aetna

  • Aetna Better Health

  • Aetna Exchange Plans (CVS)

  • Aetna Medicare Prime

  • Aetna Whole Health

  • AmBetter

  • Amerihealth

  • AmeriHealth Caritas VIP Care

  • AmeriHealth Regional Preferred Local Value

  • Brighton Health Plan Solutions

    • Education & Experience

    TRAINING

    Temple University School of Medicine

    Medical School

    University Hospital - Newark

    Residency

    National Jewish Center

    Fellowship

    BOARD CERTIFICATIONS

    Allergy & Immunology

    American Board of Allergy & Immunology

    Internal Medicine

    American Board of Internal Medicine

    Patient Reviews

    OVERALL RATING

    4.9

    (210 ratings)
    20 reviews
    • 5.0
      Jun 23, 2025
      Everyone was friendly and professional
    • 5.0
      Jun 21, 2025
      Dr. Oppenheimer has been my physician for many years. I totally trust his recommendations, And judgment when it comes to my health. I will never use another physician as long as Dr Oppenheimer is available.
    • 5.0
      Jun 14, 2025
      Dr Oppenheimer is knowledgeable, congenial and able to convey information in a most understandable fashion. His bedside manner is incomparable!
    • Jun 13, 2025
      Smooth and flawless
    • 5.0
      Jun 10, 2025
      He's a great doctor.