Our Physicians are Board Certified by the American Board of Allergy and Immunology. All of our physician assistants are board certified. Our offices are conveniently located throughout the “Valley of the Sun” in Phoenix, North Scottsdale, Chandler, East Mesa and San Tan Valley. Our Physicians have won many awards, including multiple “Top Docs” awards from Phoenix Magazine.
Physicians
Dr. Robert W. Hellmers
MD: University of California, Irvine
Dr. Darrell W. Wong
MD: FUHS/The Chicago Medical School
Dr. Duane W. Wong
MD:Northwestern University's Feinberg School of Medicine
Dr. Laine E. Keahey
MD: University of Manitoba
Dr. Radha G. Rishi
MD: University of Tennessee
Dr. Rahul S. Rishi
DO: Adult and Pediatric Allergy Immunology
Physicians' Assistants
Marissa Ciaramitaro
Masters of Clinical Medical Science
Rachael M. Stillwagon, PA-C
PA-C: FUHS/The Chicago Medical School
Kerry Berghoff, FNP-C
FNP-C: Bachelor's in Biology Summa Cum Laude
Emeritus
Dr. Kenneth A. Tollackson
M.D.: BS - Harvard University