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

Mark A. Walrath, LMHC, CDP

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1336430362

Mark A. Walrath, LMHC, CDP is an Addiction (Substance Use Disorder) Counselor in Sumner, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2011
Specialties on file
2
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

918 Alder Ave
Sumner, WA 98390-1406
Phone: (253) 891-2662
Fax: (253) 891-1044
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 LH60221523 (WA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence CP00003467 (WA)

Record details

NPI number1336430362
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC , CDP
Sole proprietorYes
NPI enumeratedApril 25, 2011
Last updated in NPPESApril 25, 2011

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