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Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. MARK THOMAS O'HOLLAREN, M.D.

Active

DR. MARK THOMAS O'HOLLAREN, M.D. is a Allergy healthcare provider located in PORTLAND, Oregon. NPI 1588723787 is currently active in the NPPES registry. Verify at CMS.

Allergy · PORTLAND, OR

Registration Details

NPI Number
1588723787
Provider Type
Individual
Gender
Male
NPI Issued
Dec 6, 2006 (19.661908921068 yrs)
Last Updated
Jul 8, 2007
License
13450 (OR)

Practice Information

Address
511 SW 10TH AVE
SUITE 1301
PORTLAND, OR, 972052732
Browse OR providers · Browse ZIP 97205
Phone
5032280155
Fax
5032268342
Primary Specialty
Allergy
207KA0200X

Other Allergy Providers in PORTLAND, OR

Name Credential NPI
DR. LAUREL RENE ANDERSON COWELL MD 1356346217
DR. ROBERT HENRY SCHWARTZ MD 1568482610
DR. ANITA TAM SU MD 1891905261
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.