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Justina Deitz
out of 5
  • Endocrinology
Accepting new patients

Appointments: Call 201-620-3390


Location Pin Icon

19-21 Fair Lawn Avenue Endocrinology

19-21 Fair Lawn Avenue
Fair Lawn, NJ 07410
United States

Clinical Expertise

  • Adrenal gland abnormalities
  • Cushing's Syndrome
  • Diabetes
  • Gestational diabetes
  • High blood sugar
  • Hirsutism
  • Hypercalcemia
  • Hypoglycemia
  • Hypogonadism
  • Impotence
  • Irregular periods
  • Menopause symptoms
  • Nipple discharge / galactorrhea
  • Osteopenia
  • Osteoporosis
  • Overproduction of male hormones
  • Parathyroid diseases
  • Pituitary diseases
  • Pituitary tumor
  • Polycystic ovarian syndrome
  • Thyroid Disease
  • Thyroid cancer
  • Thyroid nodule
  • Thyroid ultrasound
  • Turner syndrome
  • Type 1 DM
  • Ultrasound-guided fine-needle thyroid biopsy
  • Weight Management

Accepted Insurances

Always check with your health insurance carrier before scheduling any type of service. You can learn the details of your individual health insurance plan, including the amount of your copay, deductible, and coinsurance by visiting your health insurance company's website or by calling their customer service department. Click here to review our list of accepted insurance plans.

Training and Education

Board Certification

  • Internal Medicine
  • Endocrinology

Medical School

  • New York College of Osteopathic Medicine, Old Westbury, NY


  • Biology, St. Lawrence University, Canton, NY


  • Transitional Osteopathic Internship PGY-1 Obstetrics and Gynecology, Good Samaritan Hospital, West Islip, NY
  • Obstetrics and Gynecology, Maimonides Medical Center, Brooklyn, NY
  • Internal Medicine, Albert Einstein College of Medicine/Jacobi Medical Center, Bronx, NY


  • Endocrinology and Metabolism, Nassau University Medical Center of Stonybrook Medical School, East Meadow, NY.

About Me

Justina Deitz, DO is a member of Summit Health's Endocrinology department. Dr. Deitz is an accomplished researcher in her field. She has also been named an NJ Top Doctor, and ranked as Leading Physician of the World for Bergen County in 2013.


Awards and Honors

  • Bergen County's Top Docs 2021