Dr. Mark Thomas O'Hollaren, MD

Allergy & Immunology · Portland, OR

Allergy & Immunology

Practice location

Address: 511 SW 10TH AVE SUITE 1301, Portland, OR 97205
Phone: (503) 228-0155

Specialties

Allergy & Immunology – Doctors who diagnose and treat allergies, asthma, and immune system disorders.

About

Dr. Mark Thomas O'Hollaren, MD is a allergy & immunology provider based in Portland, OR. Profile information is sourced from the National Provider Identifier (NPI) registry.