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GIANNA CLAUDIA LEONCAVALLO M.A.
NPI 1407088669
Counselor - Mental Health in Lake Stevens, WA

Active since August 20, 2009PECOS Enrolled
1417 94TH DR SE, LAKE STEVENS, WA 98258(425) 535-6129 Get Directions Write a Review

NPPES record last updated: September 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gianna Claudia Leoncavallo M.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GIANNA CLAUDIA LEONCAVALLO M.A. (NPI 1407088669) is an individual mental health provider in Lake Stevens, Washington, licensed in Washington (LH60166787) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407088669
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameGIANNA CLAUDIA LEONCAVALLOCredential: M.A.
Location Address1417 94TH DR SELake Stevens, WA 98258-6620
Mailing Address1417 94th Dr SeLake Stevens, WA 98258-6620 · (425) 535-6129 · Fax (425) 535-6129
Phone(425) 535-6129
Sole ProprietorNo
Enumeration DateAugust 20, 2009
Last NPPES UpdateSeptember 22, 2025
NPPES CertifiedSeptember 22, 2025
✔ NPI 1407088669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WA · LH60166787
1417 94TH DR SE, Lake Stevens, WA 98258
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gianna Claudia Leoncavallo M.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gianna Leoncavallo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Grow Healthcare Group PA
2,732 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Washington enrollment
  • 519 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gianna Leoncavallo's NPI number?

The NPI number for Gianna Leoncavallo is 1407088669. It was assigned to this individual provider in the NPPES registry on August 20, 2009.

Where is Gianna Leoncavallo located?

Gianna Leoncavallo practices at 1417 94th Dr SE, Lake Stevens, WA 98258. The listed phone number is (425) 535-6129.

What is Gianna Leoncavallo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Gianna Leoncavallo enrolled in Medicare?

Yes. Gianna Leoncavallo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gianna Leoncavallo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gianna Leoncavallo reassigns Medicare benefits to Grow Healthcare Group PA (Miami, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gianna Leoncavallo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gianna Leoncavallo accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and UnitedHealthcare list Gianna Leoncavallo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gianna Leoncavallo was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.