MarkThomasO'HollarenMD

Asthma & Allergic Conditions

Professor of Medicine Emeritus, Oregon Health and Science University School of Medicine

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Office
511 Sw 10th Ave
Suite 1301
Portland, OR 97205
Phone+1 503-228-0155

Fax+1 503-226-8342

Dr. Mark O'Hollaren practiced as an allergist/immunologist in Portland, OR for 35 years while also working in various capacities at Oregon Health and Science University, most recently serving as vice-president of OHSU. He received his medical degree from OHSU, and then completed a residency in internal medicine at Stanford University followed by a fellowship in allergic diseases at the Mayo Clinic. While at OHSU, he helped build collaborative partnerships around the region by working with healthcare organizations, community leaders, etc. to broaden OHSU's ability to help communities in the Pacific Northwest expand the care they can provide in their own communities.

Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Allergy and Immunology, 1984 - 1986
Stanford Health Care-Sponsored Stanford UniversityResidency, Internal Medicine, 1980 - 1983
Oregon Health and Science University School of MedicineClass of 1980