Jennifer Sivitz, MD is part of Summit Health’s Pediatric team. Dr. Sivitz specializes in pediatric endocrinology and diabetes care. She is experienced in treating a wide range of hormonal disorders in children and adolescents including growth failure, thyroid, adrenal, and pituitary disorders, precocious and delayed puberty, abnormal menstrual cycles, and bone and calcium disorders. Dr. Sivitz also has expertise in caring for those with Type 1 and Type 2 diabetes and has a special interest and board certification in Obesity Medicine.

Dr. Sivitz uses a collaborative approach, placing a strong emphasis on open communication and thorough explanation of the science and thought process behind each decision and course of action. She hopes to provide patients with ample knowledge and a better understanding of their disorder. Her goal is for patients to leave her office feeling confident that there is a plan in place to address their problems.

Prior to joining Summit Health, Dr. Sivitz served as attending Pediatric Endocrinologist and Medical Director of Healthy Future Pediatric and Adolescent Weight Management Program at Hackensack University Medical Center. She is a member of the Pediatric Endocrine Society.

Dr. Sivitz has presented at lectures and workshops and has made media appearances as an advocate for childhood obesity on the YES Network, Verizon Fios news, and CBS Evening News with Scott Pelley. She has been recognized as a Top Doctor by both NJ Family and Inside Jersey Magazine, a Bergen County Top Doctor for pediatric endocrinology, and recognized as one of America's top doctors by Castle Connolly. Her Weight Management program was the 2014 grant recipient for the NY/NJ Snowflake Youth Foundation.

For the past five summers, Dr. Sivitz has volunteered at an overnight camp for children with Type 1 diabetes. She is thankful for the opportunity this experience has given her to immerse herself in the lives and daily challenges of those living with diabetes and truly believes it has made her a better doctor.

When she is not working with patients, Dr. Sivitz enjoys reading historical fiction, battling it out in spin class, admiring sea life via snorkeling, and spending time with her two fabulous children and ten nieces and nephews!


  • Endocrinology

    Endocrinologists are medical professionals who specialize in glands and the hormones they produce. They also deal with chemical processes in the body and how they help the body turn food into energy, grow, heal, and function. They help treat a variety of illnesses and diseases like diabetes, thyroid diseases etc.

  • Credentials





    8:30AM - 5:00PM


    8:30AM - 5:00PM


    8:30AM - 5:00PM


    8:30AM - 5:00PM


    8:30AM - 5:00PM





    Patient reviews of Jennifer Sivitz


    FAQs about Jennifer Sivitz

    Jennifer Sivitz generally accepts new patients.

    Jennifer Sivitz has not indicated on the profile that their office offers tele-health visits. You can call their office to find out more about telehealth visits.

    Jennifer Sivitz has not indicated on the profile that their office offers same day appointments. You can call their office to find out more about same day appointments.

    You can request appointment via HealthSoul or contact their office.

    The top specialties of Jennifer Sivitz include Endocrinology

    You can make payment via cash, credit card or debit card.

    The office is located at 75 E. Northfield Road in Livingston, NJ.

    Jennifer Sivitz accepts various types of health insurance, but individual coverage may be variable. You should check with your health insurance whether the particular doctor is in network or not.

    Thyroid cancer, Calcium Deficiency, Acromegaly, Addison's disease, Adrenal hyperplasia, Cretinism, Cushing's syndrome, Androgen insensitivity syndrome, Gigantisim, Hirsutism, Hypothyroidism, Hypogonadism, Hyperthyroidism, hyperaldosteronism, Hyperpituitarism, Hyperprolactinemia, Hyperparathyroidism, Hypopituitarism, Hypoparathyroidism, Empty sella syndrome, Nelson syndrome, Skin pigmentation, Pheochromocytoma, Polycystic ovarian syndrome, Delayed Puberty, Prolactinoma, Turner syndrome, Grave's disease, Precocious puberty, Dwarfism

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