Our Providers
Meet the team
Two board-certified physicians and three nurse practitioners dedicated to your care.
Dr. Connie Hsu
M.D., FAAAAI, FACAAI
Adult & Pediatric Allergist/Immunologist
Board-certified in Allergy & Immunology and Internal Medicine. Residency at St. Luke's Hospital, St. Louis; fellowship at SUNY Buffalo. Phoenix Magazine Top Doc (2010). Published in Science, the Journal of Immunology, and JACI. CEO & Principal Investigator, Research Solutions of Arizona. Fellow of the AAAAI, ACAAI, and the Arizona Allergy & Asthma Society.
Expertise: Allergic rhinitis, asthma, sinusitis, food allergy (EoE), drug allergy, primary immune deficiency
Dr. Reimus Valencia
D.O.
Adult & Pediatric Allergist/Immunologist
American Board Certified. Residency at McLaren Macomb (Detroit); fellowship at University Hospitals Cleveland Medical Center. Practiced in Columbia, SC before joining AIS. Enjoys hiking, soccer, piano, and skiing.
Expertise: Infants with eczema, children with environmental/food allergies and asthma, adults with chronic asthma
Dana Mather
FNP-C
Family Nurse Practitioner
Board-Certified Family Nurse Practitioner. MSN from Carlow University (Pittsburgh). Recipient of the Sister Rose Curran Graduate Nursing Leadership Award. 15+ years in allergy specialty with a background in renal and urgent care. Member of AANP and Sigma Theta Tau.
Alina Stanca
FNP-C
Family Nurse Practitioner
Board-Certified Family Nurse Practitioner. BSN from Arizona State University; MSN from University of Phoenix. Background in cardiovascular and emergency medicine nursing, and family medicine. Enjoys reading, cooking, and the outdoors with family.
Kristen Mitchell
FNP-C
Family Nurse Practitioner
Board-Certified Family Nurse Practitioner. MSN from University of Phoenix. 10 years in ER/ICU nursing including Burn ICU, Pediatric ICU, and Trauma. Member of AANP and Sigma Theta Tau. Loves travel, family, and her dog Lily.