Dr. Maniatis founded Rocky Mountain Pediatric Endocrinology (RMPE) in 2013. He is a Denver native who graduated from the University of Colorado with a double major in molecular biology and biochemistry. He attended Harvard Medical School and completed his pediatrics residency and pediatric endocrinology fellowship at Children’s Hospital Colorado. He is double-board certified in both pediatrics and pediatric endocrinology.

He is a member of Endocrine Society, Pediatric Endocrine Society, European Society for Paediatric Endocrinology, and American Academy of Pediatrics. For over 20yrs, he continues to serve on the advisory committee for the Colorado Newborn Screening Program as an expert in congenital hypothyroidism and congenital adrenal hyperplasia. Since 2016 in partnership with the Colorado Department of Public Health, RMPE provides the initial consultation for all babies in Colorado and Wyoming with an abnormal newborn screen for congenital hypothyroidism.

Dr. Maniatis is a key opinion leader on growth disorders and lectures extensively both nationally and internationally. He several publications to his credit including lead author of the recent international consensus statement on long-acting growth hormone therapy.  Click here to view.

He has served as national spokesperson for Growth Awareness Week (2018 to 2024). He is also faculty with the non-profit organization Medical Education Resources and gives national lectures to primary care physicians on pediatric endocrine disorders. He is the keynote conference speaker (2018 to 2025) for the MAGIC foundation, a non-profit patient advocacy group for children with growth disorders. Locally, Dr. Maniatis has also been voted annually as a 5280 top doctor for the past 10 years (2016-2025). Click here to view.

Academically, Dr. Maniatis is an Associate Clinical Professor with the University of Colorado Health Sciences Center and serves as a clinical preceptor for physician assistant students as well as a panelist on career development for graduating pediatric endocrine fellows with the Pediatric Endocrine Society. He is extensively involved in clinical research including multiple phase 3 trials in long-acting growth hormone and a phase 4 trial in the metabolic bone disease hypophosphatasia.

Dr. Maniatis is fluent in Spanish and Greek. He is married, has two daughters, and enjoys traveling with his family.