Dr. Mark O'hollaren
NPI: 1588723787
Dr. Mark O'hollaren is a Physician/Allergy/ Immunology specialist focused health provider in Portland, Oregon. affiliates with no hospitals or medical groups. Call Dr. Mark O'hollaren on phone number 5032280155 for more information and advice or to book an appointment.
| City | Portland |
| State | Oregon |
| Address 1 | 511 SW 10TH AVE |
| Address 2 | SUITE 1301 |
| Postal Code | 97205 |
| Phone | 5032280155 |
| Fax | 5032268342 |
| Primary Specialty | Physician/Allergy/ Immunology |