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

Mrs. Diana NA Mandell, MED, LMHC

Individual provider Mental Health Counselor · NPI 1003970047

Mrs. Diana NA Mandell, MED, LMHC is a Mental Health Counselor in Bellevue, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MED — Master of Education
A graduate education degree, written M.Ed.
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

2835 112th Ave SE
Bellevue, WA 98004-7501
Phone: (425) 451-4427
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence LH00003564 (WA)
Mental Health Counselor Taxonomy 101YM0800X · Licence LH00003564 (WA)

Record details

NPI number1003970047
Entity typeIndividual (Type 1)
GenderFemale
Credentials MED , LMHC
Sole proprietorYes
NPI enumeratedDecember 21, 2006
Last updated in NPPESSeptember 11, 2025

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