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Our Team


Rhiannon Baker

Amanda Lowry

Caroline Trommels

Rhiannon Baker joined Stellar Pediatrics in February 2019. She is a board-certified Family Nurse Practitioner who earned her Master's in Nursing from Graceland University in December 2018. Prior to graduation, she was a Charge Nurse at Norman Regional Hospital in the Newborn Nursery/Neonatal Transition Team. She obtained her bachelor's in nursing from Southwestern Oklahoma State University in 2014, and her associate in nursing from Oklahoma City Community College in 2013.

Rhiannon lives nearby in Newalla with her husband Ian and her two sons, Oliver and Indiana. She enjoys spending her time reading, watching her sons play baseball and traveling with her husband around the country for his paintball tournaments.

Amanda Lowry has been a pediatric nurse practitioner since 2004. She has experience in primary care and pediatric rheumatology. She obtained her Bachelor of Science degree from the University of Oklahoma and her Master of Science in Nursing from Vanderbilt University. She is certified through the Oklahoma Board of Nursing and as a primary care pediatric nurse practitioner (PNP-PC) and primary care pediatric mental health specialist (PMHS) through the Pediatric Nursing Certification Board. She has had numerous leadership roles in the Oklahoma chapter of the National Association of Pediatric Nurse Practitioners. She is currently on the advisory board for Cavett Kids Foundation.

Amanda and her husband, Travis, enjoy spending time with their 2 sons. The boys keep them busy with all their sports and activities. They attend church and enjoy spending time with family that live close. Amanda enjoys fitness, being with friends, reading and being outside. The Lowrys love to travel and are always planning their next vacation.

Caroline Trommels is a Board Certified Family Nurse Practitioner from Norman, Oklahoma. She obtained her Bachelors in Nursing from the University of Oklahoma and began her career at the OU Children's Hospital as a neonatal intensive care unit nurse. During this time, she obtained her Masters in Nursing from the University of South Alabama. She has been practicing as a Nurse Practitioner in pediatrics since 2016. She is on the Board at the Mary Abbott Children's House and involved in The Junior League of Norman. She was a recipient of Norman NEXT Under 40 in 2022.

Caroline lives in Norman with her husband, Stephen and two daughters, Olivia and Frances. She enjoys spending time with her family and friends and loves to travel!


Starla Harris is a family nurse practitioner from Moore, OK. She graduated with her Master of Science in Nursing degree in 2017 and has since worked in pediatric primary and urgent care. She also has an extensive background in public health. Her passion is health promotion and illness prevention. She is so excited to be a part of the Stellar team and serve the Moore/OKC/Norman community. She loves spending time with her family and dogs as well as reading and listening to crime podcasts.

Starla Harris

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Lisa Culliton

Lisa's professional experience includes 34 years in healthcare, 35 years as an RN, and 16 years as a pediatric NP. As an RN, she worked at Children's Hospital in Oklahoma, Dallas Children's Hospital in Texas, and Cardinal Glennon Children's in Missouri. As an NP the past 16 years, she spent 10 years in operations as the medical director of a nurse practitioner owned and operated safety net clinic in Kansas City, KS for the KU School of Nursing. Within this clinic, she provided primary care for a patient panel of 3000 children as well as managed daily operations of the clinic. Her most recent practice area was at Children's Mercy Hospital in Kansas City where she was member of the epilepsy team in a Level IV Comprehensive Epilepsy Center. Her areas of clinical expertise include pediatric growth and development, management of acute and chronic care in pediatrics, patient and provider training/education and child and adolescent psychiatry. Along with her clinical background, Lisa has a strong background in operations working for a specialty pharmaceutical company for seven years which involved call center operations, human resource management, clinical expertise in pediatric disease states, as well as significant job responsibilities in marketing & sales.

Lisa was born and raised in Oklahoma and attended Midwest City High School. After graduation, she attended Rose State College where she played basketball for two years. She continued her education at the University of Central Oklahoma where she received her Bachelor of Science in Nursing. She continued her education and received her master's degree at the University of Missouri in Kansas City and her doctorate at the University of Kansas. She is married with three children and enjoys reading, hiking, being with her family and anything related to the women's sports.

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Lacey McNett started her nursing career as an LPN in 1999. She graduated from OU with her BS in 2004 and later graduated in 2015 with her Masters in Nursing. Her experience includes labor and delivery and pediatrics!

Lacey is married to Josh, and they have 3 kids: Brent (22), Brittni (18), and Bailee (14). She loves to travel and spend time with family!

Lacey McNett

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