Healthcare Provider Details

I. General information

NPI: 1821963869
Provider Name (Legal Business Name): DUNCAN PATRICK O'MAHONY PSYCHOLOGIST
Entity Type: Individual
Gender: Male
Sole Proprietor: Y

II. Dates (important events)

Enumeration Date: 10/08/2025
Last Update Date: 09/09/2026
Certification Date: 09/09/2026
Deactivation Date:
Reactivation Date:

III. Provider practice location address

195 NE GILMAN BLVD STE 100
ISSAQUAH WA
98027-2940
US

IV. Provider business mailing address

8823 HOLLY DR APT 505
EVERETT WA
98208-1843
US

V. Phone/Fax

Practice location:
  • Phone: 425-295-7697
  • Fax:
Mailing address:
  • Phone: 425-295-7697
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyN
Taxonomy Code101YM0800X
TaxonomyMental Health Counselor
License NumberMHCLH61523993
License Number StateWA
# 2
Primary TaxonomyY
Taxonomy Code103T00000X
TaxonomyPsychologist
License NumberPSYA.PG.7O165412
License Number StateWA

VIII. Authorized Official

Name:
Title or Position:
Credential:
Phone: