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Dennis A Lowenthal,  MD

Accepting New Patients

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Dennis A Lowenthal, MD

Hematology, Medical Oncology

5.0
(116)

Speaks: Spanish

Male

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About me

Dr. Dennis Lowenthal has dedicated his career to caring for cancer patients, particularly those with lung cancer. He is the medical director of Medical Diagnostics Associates Hematology and Oncology, which is part of the Atlantic Medical Group. He also serves as medical director of Atlantic Health System’s Carol G. Simon Cancer Center at Overlook Medical Center.Growing up in the Bronx, NY, Dr. Lowenthal attended the State University of New York at Buffalo where he graduated magna cum laude with a BA in biology. He earned his medical degree at Boston University School of Medicine, continued with a medical internship at the Cleveland Clinic, and returned to the Bronx to complete his medical residency and a hematology fellowship at Montefiore Hospital and Medical Center of the Albert Einstein College of Medicine. He subsequently completed a clinical Blood Bank Directors fellowship at the New York Blood Center and then went on to complete a medical oncology fellowship at Memorial Sloan-Kettering Cancer Center where he served as Chief Fellow and Special Clinical Fellow in AIDS-related malignancies.Dr. Lowenthal considers coming to Overlook Medical Center 32 years ago one of his best life decisions, working with his colleagues to help create the Carol G. Simon Cancer Center at Overlook Medical Center. He serves as chairman of the hospital’s Cancer Committee and Cancer Center Executive Committee, and has been the long-standing section chief for Hematology/Oncology. He is co-chairman of Thoracic Oncology and the Thoracic Tumor Board at Atlantic Health System and is the principal investigator for lung cancer clinical trials conducted at Overlook Medical Center – specifically, serving as the principal investigator for the first immunotherapy approved for the treatment of lung cancer. Dr. Lowenthal is a past recipient of Overlook’s Physician Excellence in Clinical Practice award and has been an associate professor of Clinical Medicine at Columbia University College of Physicians and Surgeons, Mount Sinai School of Medicine, and currently the Sidney Kimmel Medical College at Thomas Jefferson University.

Areas of focus: Anemia, Blood Disorders, Cancer / Blood, Cancer / Breast, Cancer / Colorectal, Cancer / Digestive, Cancer / Gynecological, Cancer / Head & Neck, Cancer / Melanoma, Cancer / Orthopedic, Cancer / Pancreatic, Cancer / Prostate, Cancer / Urological, Clinical Trials, Lung Cancer, Thoracic Cancer

SPECIALTIES

  • Hematology

  • Medical Oncology

AFFILIATIONS

  • Accountable Care Organization

  • Atlantic Medical Group

  • Overlook Medical Center

Where to see me

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

    Boston University School of Medicine

    Medical School

    Cleveland Clinic Hospital

    Internship

    Montefiore Hospital and Medical Center

    Residency

    Montefiore Hospital and Medical Center, Memorial Sloan Kettering Cancer Center

    Fellowship

    BOARD CERTIFICATIONS

    Hematology

    American Board of Internal Medicine

    Internal Medicine

    American Board of Internal Medicine

    Medical Oncology

    American Board of Internal Medicine

    Patient Reviews

    OVERALL RATING

    5.0

    (116 ratings)
    32 reviews
    • 5.0
      Jun 24, 2026
      Excellent
    • 5.0
      Jun 24, 2026
      Excellent Dr Lowenthal and nurse Paola Santos both excellent
    • 5.0
      Jun 17, 2026
      Will miss seeing Dr Lowenthal since he's retiring at the end of the year. His sincere bedside manner, knowledge and concern over the past 22 years has been so appreciated! Wish him my best but will miss him deeply.
    • 5.0
      Jun 12, 2026
      Takes time to know me as a person not only a patient. Caring
    • 5.0
      Apr 28, 2026
      Dr. Lowenthal is an exceptional doctor.