Skip to main content

Our Approach

Our Summit Health Pediatric Endocrinology team uses a collaborative approach that empowers both patients and parents to actively participate in their care and the decision-making process. We place a strong emphasis on open communication and thorough explanation of the science and thought process behind each decision and course of action. Our primary goal is for patients to leave their visit feeling confident that a purposeful plan is in place and will be followed.     

Conditions We Treat

We treat a wide range of common and rare endocrine disorders in newborns, children and adolescents, including type 1 and type 2 diabetes as well as calcium and bone health disorders, thyroid disorders, growth disorders, adrenal gland disorders, puberty disorders, pituitary disorders, obesity, endocrine late effects post cancer treatment, gender dysphoria and genetic endocrine disorders. Team member and pediatric endocrinology specialist, Dr. Jennifer Sivitz has a special interest and board certification in Obesity Medicine while Dr. Sadana Balachandar has a special interest in the long-term endocrine effects of childhood cancer treatment as well as caring for children with NF-1 and optic gliomas.

Treatments and Services

Our Summit Health pediatric endocrinologists collaborate with primary care physicians as well as pediatric specialists to diagnosis both common and rare pediatric endocrine conditions. 

They perform in-office diagnostic tests including:

  • Growth hormone stimulation testing
  • Growth hormone suppression testing
  • ACTH stimulation testing
  • Leuprolide stimulation testing
  • Oral glucose tolerance testing

They have many services available to effectively and efficiently evaluate, treat and manage endocrine conditions including:

  • Dual-emission X ray absorptiometry (DEXA) bone mineral density scanning
  • Bone age X ray imaging
  • Thyroid ultrasound imaging
  • Pelvic ultrasound imaging
  • Our full-service on-site medical laboratory
  • Certified diabetes educator services
  • Registered dietician services

Why Choose Summit Health

Specialists at Summit Health have completed extensive training and research in the field of endocrine. They have a wide range of medical expertise and have been published in multiple peer-reviewed scientific journals, presented at various conferences and given lectures over the years and been awarded Top Doctor awards in New Jersey. 

Our focus is truly on the patient. We are proud to be able to offer patients a collaborative approach that help meets their complex needs in conjunction with various pediatric subspecialties.

About Us

Dr. Sivitz trained at Cornell University for her undergraduate degree, New York Medical College for medical school, Einstein for residency and Harvard for fellowship. Learn more about Dr. Sivitz here.

Dr. Balachandar trained at Cornell University for her undergraduate degree, Columbia for premedical training, SUNY Downstate for medical school, NYU for residency and Cornell for fellowship. Learn more about Dr. Balachandar here.

Meet Our Pediatric Endocrinology Specialists

Sadana Balachandar, MD

out of 5

No ratings are available yet. Why not?

Pediatric Endocrinology

Mildred Bentler, MA, RD, CDE

out of 5

No ratings are available yet. Why not?

Nutrition Services, Diabetes Self-Management Education, Wellness and Complementary Medicine, Pediatric Endocrinology

Leslie Killeen, MS, RDN, CDCES

out of 5

No ratings are available yet. Why not?

Nutrition Services, Diabetes Self-Management Education, Pediatric Endocrinology, Wellness and Complementary Medicine

Tiffany A. Schumaker, DO

out of 5

No ratings are available yet. Why not?

Pediatric Endocrinology, Pediatrics and Adolescent Medicine

Jennifer Sivitz, MD, FAAP

out of 5

No ratings are available yet. Why not?

Pediatric Endocrinology