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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1689337933

Diana L Lessley, RADT is an Addiction (Substance Use Disorder) Counselor in Napa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2021
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Practice location Address checks out

2751 Napa Valley Corporate Dr
Napa, CA 94558-6216
Phone: (707) 704-8299
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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 R1420550221 (CA)

Record details

NPI number1689337933
Entity typeIndividual (Type 1)
GenderFemale
Credentials RADT
Sole proprietorYes
NPI enumeratedOctober 14, 2021
Last updated in NPPESOctober 14, 2021
Certification dateOctober 13, 2021

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