Gianna Leoncavallo, M.A.
NPI 1407088669 · Mental Health Counselor · Lake Stevens, WA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gianna Leoncavallo, M.A. is a Mental Health Counselor provider in Lake Stevens, WA (NPI 1407088669).
Provider details
- NPI number
- 1407088669
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- No
- License
- LH60166787 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-20
- Last updated
- 2025-09-22
- Certified
- 2025-09-22
Frequently asked questions
- What is Gianna Leoncavallo's NPI number?
- Gianna Leoncavallo's National Provider Identifier (NPI) is 1407088669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gianna Leoncavallo's specialty?
- Gianna Leoncavallo is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Gianna Leoncavallo located?
- Gianna Leoncavallo's practice location on file with NPPES is 1417 94th Dr Se, Lake Stevens, WA 98258-6620.
- What is Gianna Leoncavallo's phone number?
- The practice phone number listed in the NPPES registry for Gianna Leoncavallo is (425) 535-6129.
- Does Gianna Leoncavallo accept Medicare?
- Gianna Leoncavallo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gianna Leoncavallo's NPI active?
- Yes — Gianna Leoncavallo's NPI (1407088669) is active in the NPPES registry as of the last update on 2025-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.