NPIMap

Organization Active NPI

Marchant Halsor LLC Ellie Mental Health

  • Marriage & Family Therapist
  • Weston, FL
National Provider Identifier
1346967122
Registry record updated Aug 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
Legal business name
MARCHANT HALSOR LLC ELLIE MENTAL HEALTH
Doing business as
Ellie Mental Health
Practice address
2853 Executive Park Dr
Weston, FL 33331-3656
Phone
(954) 800-2686
NPI assigned
Oct 24, 2022
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 6, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Gregory Reid Adelstein, LMHC
Title
Owner
Phone
(754) 216-9883

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health CounselorGroup: 193200000X MULTI-SPECIALTY GROUP 101YM0800X
Clinical Social WorkerGroup: 193200000X MULTI-SPECIALTY GROUP 1041C0700X
Marriage & Family TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 106H00000X Primary
Mental Health Clinic/Center (Including Community Mental Health Center) 261QM0801X

Addresses

Primary practice location

2853 Executive Park Dr
Weston, FL 33331-3656

Mailing address

2853 Executive Park Dr Ste 101
Weston, FL 33331-3656

Other identifiers 1

IdentifierTypeStateIssuer
116901400MedicaidFL

Other names 1

  • Ellie Mental Health Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20230412000096 FL Part B Supplier - Clinic/Group Practice 3476928185 Receives reassigned benefits from 11 practitioners
Practice locations: Tampa, FL; Weston, FL

National Provider Directory

National Provider Directory

Locations

2853 Executive Park Dr
Ste 102
Weston, FL 33331
Phone (954) 659-1208

2853 Executive Park Dr
Weston, FL 33331
Phone (305) 932-2202

2853 Executive Park Dr
Ste 101
Weston, FL 33331
Phone (954) 800-2686

Practitioners & affiliated clinicians

Practitioners 20

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 20

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1666569600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785974400000",
    "number": "1346967122",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2853 EXECUTIVE PARK DR STE 101",
            "city": "WESTON",
            "state": "FL",
            "postal_code": "333313656"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2853 EXECUTIVE PARK DR",
            "city": "WESTON",
            "state": "FL",
            "postal_code": "333313656",
            "telephone_number": "954-800-2686"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARCHANT HALSOR LLC ELLIE MENTAL HEALTH",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-10-24",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A",
        "authorized_official_last_name": "ADELSTEIN",
        "authorized_official_first_name": "GREGORY",
        "authorized_official_middle_name": "REID",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "754-216-9883",
        "authorized_official_credential": "LMHC"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Marriage & Family Therapist",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "261QM0801X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Mental Health (Including Community Mental Health Center)",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "116901400",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Ellie Mental Health",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Ellie Mental Health",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Weston, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.