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1900 116th Ave NeBellevue, WA 98004
Phone+1 425-453-0404
Dr. Ritzen is on Doximity
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Education & Training
Oregon Health & Science University (OHSU Health)Residency, Pediatrics, 1996 - 1999
University of Washington School of MedicineClass of 1995
Certifications & Licensure
OR State Medical License 2001 - Present
CA State Medical License 2013 - 2027
SD State Medical License Active through 2027
OH State Medical License 2023 - 2027
AZ State Medical License 2022 - 2026
WA State Medical License 2005 - 2026
VT State Medical License 2022 - 2026
American Board of Pediatrics Pediatrics- Join now to see all
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