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

Mr. Delton Lionel Mosby, MSW, MPH, CDP

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1750647475

Mr. Delton Lionel Mosby, MSW, MPH, CDP is an Addiction (Substance Use Disorder) Counselor in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2012.

Licensed in
WA
In the registry since
2012
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

1901 Martin Luther King Jr Way S
Seattle, WA 98144-4801
Phone: (206) 322-7676
Fax: (206) 725-7585
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence CP0006102 (WA)
Mental Health Counselor Taxonomy 101YM0800X (WA)

Record details

NPI number1750647475
Entity typeIndividual (Type 1)
GenderMale
Credentials MSW , MPH , CDP
Sole proprietorNo
NPI enumeratedApril 6, 2012
Last updated in NPPESJune 14, 2012

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