Aristides Maniatis


7336 S. Yosemite St.
Suite 200

Centennial, CO 80112



5280 Top Doctor: 2016, 2017, 2018, 2019, 2020


Dr. Maniatis is a Colorado 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 has published original manuscripts on insulin pump therapy, antibody detection for type 1 diabetes, neuroendocrine complications of brain tumors, and newborn screening for congenital hypothyroidism. He has also written book chapters and academic reviews.

Dr. Maniatis is a member of the American Academy of Pediatrics, Endocrine Society, Pediatric Endocrine Society, and American Diabetes Association. He is on the advisory committee for the Colorado Newborn Screening Program as an expert in congenital hypothyroidism and congenital adrenal hyperplasia. The practice also provides the initial consultation for all babies in Colorado and Wyoming with an abnormal newborn screen for congenital hypothyroidism.

He is a national key opinion leader on growth disorders and has served as national spokesperson for Growth Awareness Week (2018-2020).
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 lectures for the MAGIC foundation, a non-profit patient advocacy group for children with growth disorders.

Academically, Dr. Maniatis is an Assistant 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 fellows from Children’s Hospital Colorado. He is extensively involved in clinical research including an epidemiologic study in type 1 diabetes, 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 and has two daughters. He enjoys traveling, SCUBA diving, and ballroom dancing.

Dr. Maniatis is honored to have been selected as a 5280 Top Doctor for the 5th consecutive year (2016-2020). He leads an outstanding team at Rocky Mountain Pediatric Endocrinology, including Dr. Michaela Koontz and Mako Sather, CPNP. RMPE has enhanced COVID-19 safety measures to ensure that everyone in our clinic stays healthy.
For more information, please visit or call 720-420-3636.