Mark Thomas O'hollaren is an Allergy Physician based in Portland, OR and is specialized in Allergy. Mark Thomas O'hollaren practices in Portland, OR and has the professional credentials of MD. The NPI Number for Mark Thomas O'hollaren is 1588723787 and holds a License No. 13450 (Oregon).
The current practice location address for Mark Thomas O'hollaren is 511 Sw 10Th Ave, Portland, OR and can be reached out via phone at 503-228-0155 and via fax at 503-226-8342.
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 167155 | 05 | OR |
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