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

Gianna Elizabeth Johnston, LMSW

Individual provider Social Worker · NPI 1659159119

Gianna Elizabeth Johnston, LMSW is a Social Worker in Tempe, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2023
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

6350 S Maple Ave
Tempe, AZ 85283-2857
Phone: (480) 326-9732
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence LMSW-20988 (AZ)

Record details

NPI number1659159119
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorYes
NPI enumeratedSeptember 18, 2023
Last updated in NPPESSeptember 18, 2023
Certification dateSeptember 17, 2023

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