Patient Portal Online Bill Pay Contact Trishia Frost, APRN-NP. Nurse Practitioner. Trishia Frost, APRN-NP, Nurse Practitioner, loves taking care of people. She has spent the past 22 years working in healthcare, with 14 of those years as a Nurse Practitioner. She received her Bachelor of Science in Nursing from Creighton University in Omaha ....