Dr. Holles is on Doximity
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Office
2935 SW Cedar Hills Blvd
Beaverton, OR 97005Phone+1 503-352-6000Fax+1 503-352-6081
Education & Training
University of Texas Medical Branch School of MedicineClass of 1990
Certifications & Licensure
CA State Medical License 1993 - Present
OR State Medical License 1999 - 2025
UT State Medical License 1992 - 2006
WA State Medical License 1993 - 1995- American Board of Family Medicine Family Medicine
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