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Mark O'Hollaren, MD

Mark O'Hollaren, MD

Allergy & Immunology Portland, OR

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

Office Address

Office Map
  • 511 Sw 10th Ave
    Suite 1301
    Portland, OR 97205
    Phone: (503) 228-0155
    Fax: (503) 226-8342

Dr. O'Hollaren's Clinical Specialties & Interests

  • Allergy & Immunology: Asthma & Allergic Conditions

Dr. O'Hollaren's Education & Medical Training

  • Mayo School of Graduate Medical EducationMayo School of Graduate Medical EducationResidency, Anesthesiology
  • Stanford UniversityStanford UniversityResidency, Internal Medicine
  • OR Hlth Sci Univ Sch of MedOregon Health & Science University School of MedicineMedical School

Dr. O'Hollaren's Certifications & Licensure

  • OR State Medical LicenseOR State Medical LicenseActive through 2013
  • American Board of Allergy and ImmunologyAmerican Board of Allergy and ImmunologyAllergy & Immunology
  • American Board of Internal MedicineAmerican Board of Internal MedicineInternal Medicine

Dr. O'Hollaren's Awards, Honors, & Recognition

  • Consumers CheckbookTop MDConsumers Checkbook

Dr. O'Hollaren's Publications & Presentations

PubMed | Citations by Web of Science®

Insurance Accepted

  • Aetna Choice POS II
  • BCBS Blue Card PPO
  • BCBS Massachusetts Blue Care Elect PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Choice
  • First Health PPO
  • Great West PPO
  • Health Net Oregon PPO
  • Humana ChoiceCare Network PPO
  • Humana/ChoiceCare+ Network PPO
  • Kaiser Permanente
  • Lifewise Health Plan of Oregon
  • Multiplan PHCS PPO
  • Multiplan PPO
  • ODS Network
  • Pacificare HMO
  • PacificSource Preferred PSN
  • Premera BCBS Heritage & Heritage Plus 1
  • Providence Health System Personal Option
  • Providence Health System Preferred PPO
  • Regence Oregon - Preferred Provider Network
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO

Alternate Names

  • Dr. Mark O'Hollaren, Dr. Mark O'Hollaren, MD, Dr. M O'Hollaren, Dr. Mark Thomas O'Hollaren

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