MARIELLE LEO
NPI 1316382864
Marriage & Family Therapist in Las Vegas, NV
About Marielle Leo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIELLE LEO (NPI 1316382864) is an individual marriage & family therapist in Las Vegas, Nevada and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marielle Leo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marielle Leo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Las Vegas, NV 89119
- Reassigned Medicare billing, Nevada enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Marielle Leo's NPI number?
The NPI number for Marielle Leo is 1316382864. It was assigned to this individual provider in the NPPES registry on May 9, 2013.
Where is Marielle Leo located?
Marielle Leo practices at 2921 N Tenaya Way, Las Vegas, NV 89128. The listed phone number is (702) 942-1774.
What is Marielle Leo's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Marielle Leo enrolled in Medicare?
Yes. Marielle Leo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marielle Leo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marielle Leo reassigns Medicare benefits to Vegas Valley Comprehensive Counseling, LLC (Las Vegas, NV). 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 Marielle Leo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marielle Leo was last updated on October 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Marielle Leo · NPI 1316382864
Marriage & Family Therapist provider in Las Vegas, Nevada. Individual provider, active in the CMS NPPES registry since May 9, 2013.
## Identity
- **NPI:** 1316382864 (Entity type: Individual)
- **Enumerated:** May 9, 2013
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 2921 N TENAYA WAY, Las Vegas, NV 89128-1409
- **Phone:** (702) 942-1774
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Vegas Valley Comprehensive Counseling, LLC (NPI 1598329062, Las Vegas, NV), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** October 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1316382864) · Data from the CMS NPPES public registry.