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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1154626810

Diana Wilder Lett, LCSW, LISAC is a Clinical Social Worker in Tucson, Arizona. Qualified in 2004, 22 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
22
Licensed in
AZ
In the registry since
2011
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

2561 E Fort Lowell Rd Ste 2
Tucson, AZ 85716-1540
Phone: (520) 977-0870
Fax: (520) 327-0229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCSW-13181 (AZ)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence LISAC-11858 (AZ)

Record details

NPI number1154626810
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , LISAC
Sole proprietorYes
NPI enumeratedJanuary 11, 2011
Last updated in NPPESJanuary 11, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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