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

Gianna Claudia Leoncavallo, MA

Individual provider Mental Health Counselor · NPI 1407088669

Gianna Claudia Leoncavallo, MA is a Mental Health Counselor in Lake Stevens, Washington. Qualified in 2012, 14 years ago. Licensed in Washington.

Years since qualifying
14
Licensed in
WA
In the registry since
2009
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

1417 94th Dr SE
Lake Stevens, WA 98258-6620
Phone: (425) 535-6129
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH60166787 (WA)

Record details

NPI number1407088669
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA
Sole proprietorNo
NPI enumeratedAugust 20, 2009
Last updated in NPPESSeptember 22, 2025
Certification dateSeptember 22, 2025

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Accepts Medicare assignment Not indicated

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