Our Providers Canyon Pediatrics

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Our Providers


Dr. Robert Kosiorek has been with Canyon Pediatrics for over 28 years providing quality services to multiple generations of East Valley families. As a long time provider with Canyon Pediatrics, Dr. Kosiorek is always accepting new patients, from new-borns to adolescents.


Dr. Tim Nguyen has been a pediatrician with Canyon Pediatrics for over 3 years now and we're happy to have him! He's an active staff member who speaks both Vietnamese and Spanish. 


Dr. Howard Garner is a pediatrician with over 20 years of experience in the East Valley. He has been married for over 20 year and has three beautiful children ages 10, 8, and 6. Dr. Garner completed his medical degree at the University of Virginia and completed post-doc training in both pediatrics and family practice.


Rebecca Alvarez, M.S., PA has been with Canyon Pediatrics at our Mesa location for a little over 5 years now! She's passionate about Children's health and enjoys watching all of her patients grow and flourish. Rebecca is fluent in Spanish and works closely with our in-house behavioral health consultants.


Dr. Melissa Johnson is a Licensed Professional Counselor in the state of Arizona and has earned a Doctor of Behavioral Health degree from Arizona State University. She has also received a two year certificate in Infant Family Clinical Practice from the Harris Infant and Early Childhood Mental Health Training Institute.

Dr. Johnson is a Clinical Supervisor for an outpatient mental health clinic for children and families and has worked part time at Canyon Pediatrics delivering integrated care services for over 3 years. She enjoys the opportunity to collaborate with the other doctors to provide comprehensive care. She has almost 2 decades of experience providing mental health for patients across the lifespan.


Richard Brubaker, CEO, LMSW, BHP and doctoral candidate with us as a Behavioral Health Consultant (BHC). Richard is a social worker with a history of working with children and families who have experienced trauma in their lives. He has a background in a number of children's agencies in the valley including Arizona's Children Association, Child Help, Valle del Sol, and Touchstone Behavioral Health.

Most recently Richard has become and advocate of trauma-informed care which lead to a doctorate that connects our physical and mental health to address the whole person. Richard is a proponent of mindfulness and utilizes EMDR, Trauma-focused CBT, Humanistic sandtray therapy in clinical practice.





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Our Locations

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Hours of Operation

Our Regular Schedules

Gilbert Office

Monday:

8:00 am-5:00 pm

Tuesday:

8:00 am-5:00 pm

Wednesday:

8:00 am-5:00 pm

Thursday:

8:00 am-5:00 pm

Friday:

8:00 am-5:00 pm

Saturday:

8:00 am-12:00 pm

Sunday:

Closed

Mesa Office

Monday:

7:30 am-6:00 pm

Tuesday:

7:30 am-6:00 pm

Wednesday:

7:30 am-6:00 pm

Thursday:

7:30 am-6:00 pm

Friday:

7:30 am-5:00 pm

Saturday:

8:00 am-12:00 pm

Sunday:

Closed