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Kaalyn Zizus, Certified Physician Assistant

Kaalyn Zizus is certified physician assistant and a graduate of Shenandoah University where she received her Master of Science degree in physician assistant studies. She completed her undergraduate education at the Pennsylvania State University, receiving a Bachelor of Science degree in biobehavioral health.  She is married and enjoys cooking, baking, and spending time with her family and friends.

Meet the Pediatric Team

Dr. Sharmila Nair, MD, FAAP, Board Certified in Pediatrics

 ​Dr. Nair, founding partner of Sterling Pediatrics, is a board certified pediatrician. She completed her residency in Pediatrics from the Brooklyn Hospital Center and Cornell University, NY. She completed her research fellowship at NICHD, NIH prior to her residency. Dr. Nair has been in practice in the Sterling area for nine years. She has privileges in Loudoun hospital and has been a preceptor for Shenandoah University's Physician Assistant Program since its inception. She is also a clinical preceptor for George Washington, Drexel, and Wake Forest universities.  She has special interests in neonatology and asthma management. Her hobbies include hiking, cooking and traveling. She is married with one child. She speaks Malayalam, Hindi, Marathi, Gujarathi, & Tamil.

Office Support Staff


Marina Fernandez

Jilleane Pascual

Aira Santos