MARCHANT HALSOR LLC ELLIE MENTAL HEALTH
NPI 1346967122
Marriage & Family Therapist in Weston, FL
About Marchant Halsor Llc Ellie Mental Health NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARCHANT HALSOR LLC ELLIE MENTAL HEALTH (NPI 1346967122), doing business as Ellie Mental Health, is a healthcare organization registered as a marriage & family therapist in Weston, Florida and active in the NPI registry since October 2022. The organization lists Gregory Reid Adelstein, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marchant Halsor Llc Ellie Mental Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
11Medicare enrollment records show 11 clinicians reassign Medicare billing to Marchant Halsor LLC Ellie Mental Health, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 9 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (11)
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 Marchant Halsor LLC Ellie Mental Health's NPI number?
The NPI number for Marchant Halsor LLC Ellie Mental Health is 1346967122. It was assigned to this organization in the NPPES registry on October 24, 2022. The provider is doing business as Ellie Mental Health.
Where is Marchant Halsor LLC Ellie Mental Health located?
Marchant Halsor LLC Ellie Mental Health is located at 2853 Executive Park Dr, Weston, FL 33331. The listed phone number is (954) 800-2686.
What is Marchant Halsor LLC Ellie Mental Health's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Marchant Halsor LLC Ellie Mental Health enrolled in Medicare?
Yes. Marchant Halsor LLC Ellie Mental Health is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Marchant Halsor LLC Ellie Mental Health?
According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 4 Medicare specialties reassign their Medicare billing to Marchant Halsor LLC Ellie Mental Health. A 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 the clinician's services. The largest specialties are Clinical Social Worker (4), Marriage and Family Therapist (4) and Mental Health Counselor (2). Of these, 5 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Marchant Halsor LLC Ellie Mental Health accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Marchant Halsor LLC Ellie Mental Health 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 Marchant Halsor LLC Ellie Mental Health was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Marchant Halsor Llc Ellie Mental Health · NPI 1346967122
Marriage & Family Therapist organization in Weston, Florida. Organization record, active in the CMS NPPES registry since October 24, 2022.
## Identity
- **NPI:** 1346967122 (Entity type: Organization)
- **Enumerated:** October 24, 2022
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **Also known as:** Ellie Mental Health (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Gregory Adelstein, OWNER
## Practice location
- **Address:** 2853 EXECUTIVE PARK DR, Weston, FL 33331-3656
- **Phone:** (954) 800-2686
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 11 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (4), Marriage and Family Therapist (4), Mental Health Counselor (2); 5 practice at this address and 9 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 6, 2026
- **Other identifiers:** Medicaid 116901400 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1346967122) · Data from the CMS NPPES public registry.