Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Duncan Patrick O'Mahony, LMHC

Individual provider Mental Health Counselor · NPI 1821963869

Duncan Patrick O'Mahony, LMHC is a Mental Health Counselor in Everett, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2025
What do these letters mean?
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

See every abbreviation used in this directory →

Practice location Address checks out

601 View Ridge Dr
Everett, WA 98203-1821
Phone: (604) 799-1739
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH61523993 (WA)

Record details

NPI number1821963869
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC
Sole proprietorYes
NPI enumeratedOctober 8, 2025
Last updated in NPPESOctober 8, 2025
Certification dateOctober 8, 2025

Other providers in Everett