Siena Pediatrics is here to serve the children of Las Vegas and Henderson. The vision for Siena Pediatrics is to provide outstanding pediatric care by board certified Pediatricians and certified Physician Assistants in a loving, friendly environment. Siena Pediatrics has been open over 15 years.  On November 22, 2017, Siena Pediatrics moved to 2441 W. Horizon Ridge Pkwy, Henderson, NV 89052.   In this new clean, hi-tech office, Siena Pediatrics is providing a variety of services including well child visits with immunizations, same day sick visits, sport physicals, and topic specific visits like ADHD, obesity and asthma.  

    Dr. Carrie Wijesinghe, MD, FAAP is a board certified pediatrician and founder of Siena Pediatrics. "Dr. Carrie" has been a pediatrician in Henderson for over 20 years.  Originally from the East Coast, she attended medical school at MCP/Hahnemann rebranded to Drexel University School of Medicine in Philadelphia and completed her pediatric residency in North Carolina. Prior to opening Siena Pediatrics, Dr. Carrie worked for several large pediatric practices in Henderson. 

Some of her personal accolades include:  Chief of Pediatrics, St. Rose Siena for over 6 years, 2010-2016.   In addition, Dr. Carrie has been voted as Top Doc in Las Vegas Seven for 2011 & 2013 and Top Doctor HealthCare Quarterly in 2017, 2018,  2019 and 2020.  She was also named one of the Top 3 Pediatricians in Henderson ( for 2020 & 2021. In 2021, Dr. Carrie's newest adventure is collaborating with Kirsten Joyce, daytime news anchor at Channel 8, in a medical series: "Pointers with a Pediatrician."         

  Dr. Shawn Wijesinghe, MD, FACEP is a board certified emergency physician and co-founder of Siena Pediatrics.  Dr. Shawn has provided medical care for Las Vegas/Henderson children for over 20 years.  In the late 2000s, he was instrumental in the creation, organization and management of St Rose Siena Pediatric Emergency Room. Serving the Las Vegas community, Dr. Shawn works as an Emergency Room physician at Summerlin Pediatric Emergency Room. Additionally, Dr. Shawn's is currently serving as the Assistant Director for the VA Emergency Department in addition to working as an Emergency Room physician at the VA Emergency Room in Las Vegas. Dr. Shawn's expertise will be utilized in the sick care of Siena Pediatrics children.  

 Dr. Cynthia Chase MD, FAAP is a board certified pediatrician who joined Siena Pediatrics in February 2020.  Dr. Chase graduated from New York Methodist Hospital in New York. After moving to Las Vegas, Dr. Chase has worked in the Las Vegas Valley for over 5 years in private pediatric practice prior to joining Siena Pediatrics.  Dr. Chase loves cooking, reading and loving her adorable dogs!

  Dr. Charles Hutchings, DO, FAAP is board certified pediatrician who relocated from Charleston, South Carolina to Henderson, NV in the summer of 2020 to join the Siena Pediatrics family. "Dr. Chuck" is a native to Utah, graduating from Utah State University.  For his medical school, Dr. Chuck graduated from Kansas City School of Medicine. Entering the Air Force, he completed his pediatric residency at Wright State University in a combined civilian and Air Force residency at Dayton's Children's Hospital and Wright Patterson Air Force base.  In 2016, Dr. Chuck and his family moved to Charleston, SC to start his career as a Major and Pediatrician for 4 years.  Dr. Chuck has 4 children with his wife, Eliza.

  Dr. Ann Nguyen, DO joined Siena Pediatrics in Summer of 2022.  Dr. Ann initially hails from Southern California and graduated from Western University COMP-Pomona for her medical school. Subsequently, she relocated to Las Vegas for her pediatric residency at UNLV Kirk Kerkorian School of Medicine. Dr. Ann's positive and friendly disposition will surely impress you and your loved ones!  

   Matt Padgett, PA-C and Allie MacAdams, PA-C both graduated from Touro University. Both Matt and Allie are amazing complements to the physicians at Siena Pediatrics and take the children of Siena Pediatrics' health and well being as their top priority!  Matt works full-time, Monday, Tuesday, Wednesday and Friday and has a passion for ADHD and other mental health disorders. In Matt's spare time, he serves as clinical educator for future PA students at Touro University.  Allie is a mother of 4 children and is a certified lactation consultant.  Siena Pediatrics is proud to announce this newest additional service!

   Siena Pediatrics'  location was designed with your child's health and well being in mind.  We have the sick side completely separated from the well side.   Our office is cleaned every business day to provide comfort, beauty, and sanitary conditions to keep your child as healthy and happy  as possible. The medical providers at Siena Pediatrics strive everyday to make your experience at Siena Pediatrics a pleasant, caring process every time!   

     The medical providers and staff would like to thank all the wonderful families of Henderson and Las Vegas for choosing Siena Pediatrics as their medical home for the last 15 years and many more years to come!  

About Us
Allie MacAdams, PA-C
Matt Padgett, PA