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

Mary Ellen Langston, PHD, LPC, NCC, CADCIII

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1619289576

Mary Ellen Langston, PHD, LPC, NCC, CADCIII is an Addiction (Substance Use Disorder) Counselor in Seaside, Oregon. Licensed in Oregon. Registered with an NPI since 2010.

Licensed in
OR
In the registry since
2010
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LPC — Licensed Professional Counselor
A licensed mental health counsellor.
NCC — National Certified Counselor
A counsellor certified by the NBCC.

See every abbreviation used in this directory →

Practice location Address checks out

2245 N Wahanna Rd
Seaside, OR 97138-7833
Phone: (503) 791-3181
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence C1701 (OR)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 030355 (OR)
Mental Health Counselor Taxonomy 101YM0800X · Licence C1701 (OR)

Record details

NPI number1619289576
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , LPC , NCC , CADCIII
Sole proprietorNo
NPI enumeratedJuly 8, 2010
Last updated in NPPESOctober 1, 2012

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