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Edmond (405) 607-4333

Yukon (405) 265-1949

Norman 405-928-1103

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Friendly and Caring Staff

We treat you like part of the family!
If you are visiting our office with children in tow, be sure to utilize our kids corner equipped with toys and movies!

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CEO / Medical Director / Board Certified Allergist

Dr. Darter received her medical degree from the University of Oklahoma College of Medicine where she was an Alpha Omega Alpha honor graduate. She completed an Internal Medicine residency and chief residency at OUHSC as well. She holds the honor of being board certified in both adult and pediatric allergy, asthma and immunology. She trained at the University of Texas Southwestern in Dallas at Children’s Medical Center of Dallas, and at Parkland Memorial Hospital; one of the most elite training programs for clinical allergy, asthma, immunology and clinical research.
Dr. Darter remains cutting-edge and up-to-date in her sub-specialty by holding professional memberships in a host of professional organizations. Dr. Darter has numerous scientific publications and frequently lectures to other physicians around the world regarding various allergy, asthma, and immunology topics. Dr. Darter also has the honor and distinction of being a Fellow in the American Academy of Allergy, Asthma and Immunology and the American College of Allergy, Asthma and Immunology.
Dr. Darter has resided in the Oklahoma City/Edmond community since 1993. She has three daughters and enjoys spending quality time with them. Dr. Darter also enjoys exercising, especially running, and numerous other outdoor activities.

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Andrea L. Sestak, MD, PhD

Pediatric Rheumatology

Dr. Sestak grew up in Edmond, where she graduated valedictorian of the EMHS class of ’85. After college at Trinity University, she obtained an MD and PhD from UT Southwestern in Dallas. She did her pediatrics residency in St. Louis, and then completed a fellowship in pediatric rheumatology in a joint program between UTSW and OMRF. Initially focusing on research, she stayed here and continued work on the genetics of lupus in children until 2010, at which point she turned to the clinical side of her training and joined the staff at OU Childrens Physicians. She is board certified in Pediatrics and a fellow of the American College of Rheumatology. She looks forward to continuing to care for children with arthritis, lupus, and other autoimmune diseases here at OIAAI.

Andrea loves spending time with her daughter, Mikaela, and singing with the Windsong chamber choir.

Now seeing PANDAS | PANS | autoimmune encephalopathy patients

PANDAS stands for Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections. The typical child with PANDAS will have the following:
● Onset between ages 3 and 12● Sudden emergence or worsening of symptoms after a strep infection● Symptoms that come and go rapidly● Obsessive-Compulsive Disorder (OCD), which may present as● Insistence on strict routines, such as eating or dressing● Excessive hand washing and preoccupation with germs● Repeated checking of locks or doors● Counting rituals● Hoarding objects● Repetitive behaviors and rituals● Extreme anxiety if rituals are not followed● Motor tics or physical hyperactivity

Other associated symptoms may include:
● New and persistent fears● Anxiety, particularly separation anxiety● Panic attacks● Mood changes● Difficulty sleeping● Depression● ADHD● Regression of motor skills, such as new difficulties with handwriting● Bedwetting● Joint pain

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Kayla Matthews, APRN-CNP

Nurse Practitioner

Kayla is a Colorado native who moved to Oklahoma 12 years ago to attend college at Oklahoma Christian University. After graduating with her Bachelor of Science in Nursing in 2012, she decided to make Oklahoma her permanent home. Kayla has worked since graduation as an ER nurse at various OKC hospitals but spent the majority of her career with OUMC at the Level One Trauma Center and Adult Emergency Department. She attended the Univeristy of Oklahoma Health Science Center for her masters and graduated in May 2019 with her MSN-Family Nurse Practitioner degree. Kayla has struggled with allergies, asthma, and skin issues for most of her life, but it wasn’t until her daughter was diagnosed with a rare food allergy that she fell in love with the allergy and asthma specialty. She is very grateful to be able to work in a specialty she enjoys and one that has made a positive impact on her life. In her spare time, Kayla loves to spend time with her husband, two daughters, and two dogs. She also loves the travel all over the world and plans to visit all seven continents in her lifetime. She enjoys being active outdoors, especially hiking and backpacking, and does photography as a hobby with her mom. 

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Jill Frost, PA-C

Physician Assistant

Jill Frost PA-C was born in Oklahoma City and has enjoyed living in Edmond since her early childhood. She went to Oklahoma State University where she graduated Magna Cum Laude through the Honors College, completing degrees in Psychology, Microbiology and Spanish. She furthered her education at the University of Oklahoma Health Sciences Center where she graduated from the Physician Associate program in 2012.
She has practiced family medicine for the last five years providing compassionate care for both pediatric and adult patients. She became interested in working in an area with a focus on asthma and allergies as a result of seeing an increasing number of her patients suffering from these conditions and having a reduced quality of life. She is very excited to join the team at the Oklahoma Institute of Allergy, Asthma & Immunology to provide excellent compassionate care to her patients.
Jill resides in Edmond with her husband and son. She enjoys running and doing anything outdoors, traveling, cooking, cheering on her Oklahoma State Cowboys, reading and spending time with family and friends. She also loves volunteering with the Lifekids team at Lifechurch

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Leslie Jump, APRN-CNP

Nurse Practitioner

Leslie Jump graduated from the University of Oklahoma with a bachelor of science in Nursing in 2004. She worked as an RN in the ICU for 6 years prior to becoming a Nurse Practitioner. She attended Graceland University obtaining her Family Nurse Practitioner degree in 2010 and after passing board exams in 2010, she started her Nurse Practitioner practice in family medicine. She then gained experience in pediatric medicine for a few years. Leslie has particular interest in asthma and was attracted to asthma and allergy medicine. When she had the opportunity to specialize, she transitioned to Oklahoma Institute of Allergy and Asthma. She brings valued experience to our team, having worked with both children and adults.

In Leslie’s free time, she enjoys camping, mountain biking, crossfit, and training her dog.