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

Mr. David Joseph Cornell, LMHC, SUDP

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1952433039

Mr. David Joseph Cornell, LMHC, SUDP is an Addiction (Substance Use Disorder) Counselor in Federal Way, Washington. Practices as a sole proprietor and works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2007
Specialties on file
3
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

31627 4th Ave S
Federal Way, WA 98003-5234
Phone: (206) 339-4909
Show map & directions

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

Additional practice locations (1)

  • 505 Washington Ave S, Kent, WA 98032-5709 — (253) 833-7444

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence MHC.LH.00010656 (WA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence CDP.CP.61105100 (WA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence CO60923282 (WA)

Record details

NPI number1952433039
Entity typeIndividual (Type 1)
GenderMale
Credentials LMHC , SUDP
Sole proprietorYes
NPI enumeratedMarch 12, 2007
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026

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