Marielle Johnson, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

010590 Issued in CT

Practice address

375 Mather St Ste 1
Hamden, CT 06514-3101

Phone

(203) 601-2775

Fax

(203) 601-2775

NPI assigned

Jul 27, 2017

Last updated

Mar 2, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Marielle Daddona Former name

Medicare fee-for-service enrollment

Enrolled in CT

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

New Leaf Counseling Center LLCGroup PAC ID 6709283021, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.qualifacts.org/api/fhir/BHcare/r4/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• New Leaf Counseling Center LLC

  • Mental Health Counselor
  • Hamden, CT
  • NPI 1356930291
  Medicare reassignment Care Compare group NPD
• Bhcare, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Ansonia, CT
  • NPI 1306042700
  Medicare reassignment NPD

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

{
    "created_epoch": "1501113600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1821512260",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "375 MATHER ST STE 1",
            "city": "HAMDEN",
            "state": "CT",
            "postal_code": "065143101",
            "telephone_number": "203-601-2775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "375 MATHER ST STE 1",
            "city": "HAMDEN",
            "state": "CT",
            "postal_code": "065143101",
            "telephone_number": "203-601-2775",
            "fax_number": "203-601-2775"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "MARIELLE",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-07-27",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CT",
            "license": "010590",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARIELLE",
            "last_name": "DADDONA",
            "credential": "LCSW",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Amy Susan Johnson, N.D.
• Ashley Victoria Johnson
• Crystal Lachea Johnson, MSN, PMHNP-BC
• Kelly Christine Johnson
• Keyaira D Johnson
• Randy M Johnson, PA-C
• Sarah Maria Johnson, MPT
• Jennifer Ann Johnston, M.A.
• Jonathan L. Goldberg DMD
• Jonathan Stern, M.S., L.P.C., L.a.D.C., Counseling and Psychotherapy S

• Clinical Social Worker in Hamden, CT
• Providers in Hamden, CT by specialty
• Clinical Social Worker in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.