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Experienced Specialists

Endocrinology Team

Cydney Bullock Tipton, MD

Dr. Tipton specializes in treating diabetes, thyroid disorders, thyroid cancer, osteoporosis, adrenal disorders, pituitary disorders, and calcium disorders. Inspired by her personal connection to diabetes, she is dedicated to developing evidence-based treatment plans tailored to each patient’s individual needs.

200 E. 89th Avenue, Merrillville • 219-644-3939


Amna Ijaz, MD

Dr. Ijaz is committed to staying at the forefront of new treatment modalities and partners with patients to create customized health plans that enhance their quality of life. She specializes in treating adrenal disorders, diabetes, obesity and metabolic syndrome, osteoporosis, parathyroid disorders, pituitary disorders, thyroid disorders, and thyroid cancer.

6625 W. Lincoln Hwy., Suite 4, Crown Point • 219-515-6458


Nicole Hawkins, FNP-C

Nicole Hawkins, FNP-C, is a board-certified nurse practitioner in endocrinology. Inspired by her own family’s experience with endocrine disorders, she is passionate about partnering with patients to manage their health through lifestyle, diet, and medication support

200 E. 89th Avenue, Merrillville • 219-644-3939


Heather Stokes, FNP-C

Heather Stokes, FNP-C, is a board-certified nurse practitioner in endocrinology. She is passionate about delivering patient-centered care and values building long-term relationships while guiding patients through complex treatment journeys

200 E. 89th Avenue, Merrillville • 219-644-3939


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