Breathe easier. Live better.
Board-certified allergy and immunology care for the whole family — from desert allergies and asthma to food allergies, eczema, and immune conditions. 5 locations across the Phoenix metro.
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About Us
Expert care for every allergy and immune condition
Our board-certified allergists and nurse practitioners are dedicated to finding the root cause of your symptoms — not just treating them. We combine advanced diagnostics with patient education to improve your quality of life.
- Board-certified adult & pediatric allergists
- Published research in Science, JACI, Journal of Immunology
- Active clinical trials through Research Solutions of Arizona
Our Services
Comprehensive allergy & immunology care
From common desert allergies to complex immune conditions, we treat the full spectrum — for all ages.
Environmental Allergies
Desert pollen, dust mites, pet dander, mold
Asthma
Adult & pediatric asthma, exercise-induced, allergic asthma
Food Allergies & EoE
IgE testing, oral challenges, EoE management
Skin Conditions
Eczema, hives, angioedema, contact dermatitis
Drug Allergies
Penicillin testing, antibiotic challenges, vaccine reactions
Insect Sting Allergies
Bee, wasp, yellow jacket, fire ant venom therapy
Primary Immunodeficiency
IVIG/SCIG therapy, recurrent infections
Clinical Research
Participate in cutting-edge allergy & immunology trials
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
Allergic rhinitis, asthma, food & drug allergy, immune deficiency
Dr. Reimus Valencia
D.O.
Adult & Pediatric Allergist/Immunologist
Infant eczema, childhood allergies, adult asthma
Dana Mather
FNP-C
Family Nurse Practitioner
Allergy specialty care, 15+ years
Alina Stanca
FNP-C
Family Nurse Practitioner
Family medicine & allergy care
Kristen Mitchell
FNP-C
Family Nurse Practitioner
Emergency & critical care background
Locations
5 locations across the Valley
Find the office nearest you.
Litchfield Park
13575 W. Indian School Road, Suite 200
Litchfield Park, AZ 85340
Shot Hours
Tuesdays: 9am–5pm
Thursdays: 9am–5pm
Phoenix (Norterra)
34406 N 27th Drive, Suite 172
Phoenix, AZ 85085
Shot Hours
Wednesdays: 9am–4:30pm
Glendale
5940 W. Union Hills Dr., Suite A-120
Glendale, AZ 85308
Shot Hours
Mondays: 9am–5pm
Fridays: 9am–4:30pm
Tempe
1155 W Rio Salado, Suite B-102
Tempe, AZ 85281
Shot Hours
Contact office
Mesa
7165 E University Dr, Suite 155
Mesa, AZ 85207
Shot Hours
Contact office
Patient Education
Learn about your condition
Appointments
Request an appointment
Tell us a little about your needs and our team will contact you within 1 business day to schedule your visit at any of our 5 Valley locations.
(623) 512-4310Ready to feel better?
Request an appointment at any of our 5 Valley locations.