1. Home
  2. Directory
  3. Washington
  4. Everett
  5. Counselor
  6. NPI Profile

DUNCAN PATRICK O'MAHONY LMHC
NPI 1821963869
Counselor - Mental Health in Everett, WA

Active since October 08, 2025
601 VIEW RIDGE DR, EVERETT, WA 98203(604) 799-1739 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Duncan Patrick O'mahony Lmhc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DUNCAN PATRICK O'MAHONY LMHC (NPI 1821963869) is an individual mental health provider in Everett, Washington, licensed in Washington (LH61523993) and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1821963869
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameDUNCAN PATRICK O'MAHONYCredential: LMHC
Location Address601 VIEW RIDGE DREverett, WA 98203-1821
Mailing Address601 View Ridge DrEverett, WA 98203-1821 · (604) 799-1739
Phone(604) 799-1739
Sole ProprietorYes
Enumeration DateOctober 8, 2025
NPPES CertifiedOctober 8, 2025
✔ NPI 1821963869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WA · LH61523993
601 VIEW RIDGE DR, Everett, WA 98203
Open in Google Maps ↗

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Duncan O'mahony's NPI number?

The NPI number for Duncan O'mahony is 1821963869. It was assigned to this individual provider in the NPPES registry on October 8, 2025.

Where is Duncan O'mahony located?

Duncan O'mahony practices at 601 View Ridge Dr, Everett, WA 98203. The listed phone number is (604) 799-1739.

What is Duncan O'mahony's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Duncan O'mahony was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.