Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Mark Ohollaren xhas an overall rating of 3.7.
Dr. Mark Ohollaren, MD is a Doctor primarily located in Portland, OR, with another office in Portland, OR. He has 35 years of experience. His specialties include Allergy and Immunology and Internal Medicine. Dr. Ohollaren is affiliated with OHSU Hospital & Clinics, PeaceHealth Southwest Medical Center and Legacy Good Samaritan Medical Center. He speaks English.
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Specialties & Expertise
Dr. Mark Ohollaren has the following 12 areas of expertise, 2 specialties and 2 board certifications.
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Locations & Directions
Dr. Mark Ohollaren, MD is similar to these 3 Doctors near Portland, OR.