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Aristea Sideri Gugger,  MD

Accepting New Patients

Aristea Sideri Gugger, MD

Endocrinology, Diabetes, Metabolic Medicine

4.9
(267)

Speaks: Greek

Female

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About me

Aristea Sideri, MD, PhD, is a fellowship-trained endocrinologist with Atlantic Medical Group. Board-certified in internal medicine, endocrinology, diabetes and metabolism by the American Board of Internal Medicine, and a Diplomate of the American Board of Obesity Medicine, she has clinical expertise treating patients with a wide variety of endocrine conditions. She specializes in weight management, insulin resistance, prediabetes, type 1 and type 2 diabetes, continuous glucose monitoring and insulin pumps, thyroid ultrasound and ultrasound-guided fine needle aspiration biopsy of the thyroid, osteoporosis and bone density scan (DEXA) reading, calcium and parathyroid disorders, neuroendocrine testing and interpretation, adrenal disorders, lipid disorders, PCOS and other hormonal disorders.

Dr. Sideri earned her medical degree at University of Crete, Medical School, Crete, Greece, where she graduated in the top 10% of her class. She received her master’s and PhD degrees from University of Crete as well, the research for which was conducted in the Division of Digestive Diseases at UCLA. She completed an internal medicine residency at Yale New Haven Health, Bridgeport Hospital, Bridgeport, CT, and then a clinical and research fellowship in endocrinology, diabetes and metabolism at New York-Presbyterian/Columbia University Irving Medical Center, New York, NY.

An avid learner, Dr. Sideri also enjoys educating others. She has served as an instructor and mentor for medical students at Columbia, Yale University, UCLA, University of Crete, as well as the local communities. Besides serving as an independent reviewer for the Obesity Decision Point Series at Medscape/WebMD, she has authored multiple publications in peer-reviewed medical journals, and given dozens of presentations, some of which have won awards, at regional, national and international meetings. She is an active member of the American Association of Clinical Endocrinology, the Endocrine Society, the Obesity Medicine Association, The Obesity Society, the Tri-State Obesity Society, the New Jersey Association of Clinical Endocrinologists, and the New York Academy of Science. She is multilingual, fluent in English and Greek and elementary in Spanish.

Dr. Sideri is a participating provider of the Atlantic Accountable Care Organization.

SPECIALTIES

  • Endocrinology

  • Diabetes

  • Metabolic Medicine

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

  • AHS PPO

  • Amerihealth

  • Amerihealth Caritas

  • Brighton Create

  • Brighton Healthplan Solutions

  • Centivo

  • Cigna

  • ClaimDoc LLC

  • Education & Experience

    TRAINING

    University of Crete

    Medical School

    Yale New Haven Health, Bridgeport Hospital

    Residency

    Columbia University Medical Center

    Fellowship

    BOARD CERTIFICATIONS

    Endocrinology, Diabetes and Metabolism

    American Board of Medical Specialties

    Internal Medicine

    American Board of Internal Medicine

    Obesity Medicine

    American Board of Obesity Medicine

    Patient Reviews

    OVERALL RATING

    4.9

    (267 ratings)
    77 reviews
    • 5.0
      Sep 30, 2026
      I'd like to give a shout out to the staff at the front desk, particularly Toccara and Jameelah. I have never had such helpful and friendly staff before in any doctors office. They are above and beyond.
    • 5.0
      Sep 29, 2026
      Excellent excellent excellent service. I PROUDLY travel over 50 miles one way for care. Truly a loving experience
    • 5.0
      Sep 29, 2026
      Dr. Sideri's extremely kind, CLEVER and patient all rolled into one. There is no anxiety, apprehension or hesitation when it comes to discussions about my health. Hands down, I feel as if she's definitely working towards extending my life while keeping me healthy
    • 5.0
      Sep 22, 2026
      Dr Gugger spent a lot of time explaining the treatment plan. Easy to understand instructions. Great bed side manner.
    • 5.0
      Sep 17, 2026
      I always have informative and worthwhile discussions with Dr Sideri. I wish all of my doctors were as well informed and willing to explain as Dr Sideri is.