Denise SchentrupDenise Schentrup, DNP, APRN, BC
Family Nurse Practitioner 

Denise Schentrup is the lead nurse practitioner at Archer Family Health Care.  She has been providing care to Archer Family Health Care patients since 2005.  She is a Family Nurse Practitioner and provides care to patients of all ages.  She has practiced in rural settings throughout her entire career as a nurse practitioner.  She also teaches in the graduate program at University of Florida in the College of Nursing.  She also teaches students at Archer Family Health Care.  Her interests are working with children, adolescents and women’s health.




Anna Ashley Kairalla, MSN, APRN, FNP-BC
Family Nurse Practitioner

Ashley Kairalla’s area of expertise is primary care of underserved populations and chronic disease management for men and women. She precepts nurse practitioner students and supervises nurse practitioner students in their clinical placements. Ms. Kairalla volunteers monthly for Interfaith Hospitality Network families. She received her BSN from the University of North Carolina at Chapel Hill and her MSN from the University of Florida.




Kimberly B. Castillo, MSN, APRN, FNP-BC
Family Nurse Practitioner

Kim Castillo is a family nurse practitioner and provides care to patients of all ages. She enjoys working in rural settings and precepting UF nurse practitioner students. She received her BS in business administration from Bucknell University. After switching careers to nursing, she earned her BSN and MSN from the University of Florida. A former Peace Corps volunteer in the Dominican Republic, she speaks Spanish and enjoys dancing salsa, merengue and bachata.




Karen Rye_JSJ_6JJ3552

Karen Rye, MSN, APRN – BC
ANCC Board Certified Adult Psychiatric and Mental Health Nurse Practitioner

Karen Rye has been a board certified psychiatric nurse practitioner since 2009. Her primary area of interest is psychopharmacology. She has practiced in community mental health outpatient clinics where she has developed a specific interest and expertise in the treatment of schizophrenia and bipolar disorder. She has experience treating acute psychiatric disorders including, anxiety, mood disorders, posttraumatic stress disorder and psychoses or schizophrenia. She has been a Clinical Assistant Professor at UF College of Nursing since 2014 and provides mental health care for the patients at Archer Family Health Care and clinical education for UF nurse practitioner students.  She also practices part-time at the University of Florida Student Health Care Center in psychiatry.




Stacia Hays, DNP, APRN, BC
Pediatric Nurse Practitioner

Dr. Hays is a Board Certified Pediatric Primary Care Nurse Practitioner and is an NLN Certified Nurse Educator. She is a Certified Clinical Transplant Coordinator, has a certification in Public Health, and has experience in system-wide patient safety and healthcare quality assessments.  She also teaches evidence based primary care pediatrics to Pediatric Nurse Practitioner students and is active in the DNP program as supervisory chair and mentor for DNP students. Dr. Hays is on the Advisory Council of the Florida Action Coalition, Secretary of North Central Florida Advanced Practice Nurses, and Vice President of the Alpha Theta chapter of Sigma Theta Tau International. She has been a member of the NIH funded consortium, Study of Pediatric Liver Transplant (SPLiT), as the Education Chairman and as a member of the Quality Analysis committee, and recently elected AANP State Representative for the North Florida Region.




Christopher Schreier, DNP, APRN, CPNP-PC
Pediatric Nurse Practitioner

Dr. Schreier is a triple gator! He received his Bachelors, Masters and Doctorate degrees all from the University of Florida. He worked as a pediatric nurse for 9 years at UF Health Shands Children’s Hospital before becoming a Pediatric Nurse Practitioner. He is board certified in General Pediatrics and Primary Care, and cares for children from birth through age 21. His interests include ADHD and other mental health issues in children, newborn visits, performing circumcisions and helping first-time parents in caring for their baby. Dr. Schreier also teaches in both the undergraduate and graduate programs at the UF College of Nursing. He strives to make his patients and their families feel important during their visit to clinic, and encourages questions and a teamwork approach in caring for children. Dr. Schreier has 3 children and loves spending time with his family, cooking, playing golf and cheering for the Gator Football team. He can also be seen in clinic always sporting his crazy socks!



Maria Colon portrait

Maria Colon, MSW, LCSW
Licensed Clinical Social Worker

Maria Colon completed her BA in social work from Universidad del Turabo in Puerto Rico in 2002 and Masters in Clinical Social Work from Florida State University in 2011. In 2014, she completed all requirements of licensure becoming a Licensed Clinical Social Worker (LCSW) in the state of Florida. She is currently pursuing a Doctorate of Behavioral Health through Arizona State University. Maria’s passion is to help create change in people’s lives. She provides counseling to ages 5 and above. Maria understands that not one therapeutic approach fits every shoe; and focuses on utilizing therapeutic modalities based on the client’s individual needs. Her clinical interests include treating those with depressive disorders, trauma and stress, anxiety, bipolar disorder, and acculturation, amongst others. Maria provides services in Spanish and English.