Providers

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

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Dr. Rahul S. Rishi
DO, FAAAAI, FACAAI Nova Southeastern University
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Dr. Duane W. Wong
MD:Northwestern University's Feinberg School of Medicine
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Dr. Radha G. Rishi
MD, FAAAAI, FACAAI University of Tennessee
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Dr. Laine E. Keahey
MD: University of Manitoba
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Dr. Darrell W. Wong
MD: FUHS/The Chicago Medical School
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Dr. David Reeder
MD, Board Eligible

Advanced Practice Providers

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Marissa Ciaramitaro
PA-C, Barry University
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Caitlin Suriano, PA-C
PA-C, A.T. Still University
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Allison Ungs
PA-C Midwestern University
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Kerry Berghoff, FNP-C
FNP-C: Bachelor's in Biology Summa Cum Laude

Emeritus

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Dr. Kenneth A. Tollackson
M.D.: BS - Harvard University
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Dr. Robert W. Hellmers
MD: University of California, Irvine