Hayley Siegel

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

121735 Issued in MA

Practice address

31 Monmouth St # 4
East Boston, MA 02128-1307

Phone

(617) 817-8915

NPI assigned

Aug 18, 2015

Last updated

Jul 7, 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

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, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Child and Family Psychological Services PLLCGroup PAC ID 5991763823, 260 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Child and Family Psychological Services, PLLC

  dba LifeStance Health

  • Psychologist
  • Norwood, MA
  • NPI 1912987181

  Clinical

  Medicare reassignment Care Compare group NPD
• Healing With Hayley, LLC

  • Clinical Social Worker
  • East Boston, MA
  • NPI 1679499917
  NPD (past) Authorized official

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

{
    "created_epoch": "1439856000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1992171557",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "31 MONMOUTH ST # 4",
            "city": "EAST BOSTON",
            "state": "MA",
            "postal_code": "021281307",
            "telephone_number": "617-817-8915"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "31 MONMOUTH ST # 4",
            "city": "EAST BOSTON",
            "state": "MA",
            "postal_code": "021281307",
            "telephone_number": "617-817-8915"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEGEL",
        "first_name": "HAYLEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-08-18",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "121735",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Manish Shah, O.D.
• Nathaniel August Shirley, LICSW
• Victoria Shopland, OTR/L
• Prachi Shukla
• Elizabeth Lane Shum, PSY.D
• Nanci Siegel, LICSW
• Catherine M Silva, M.D.
• Thomas J Silva, M.D.
• Dennis A Silvers, M.D.
• Stephen J Simon, M.D.

• Clinical Social Worker in East Boston, MA
• Providers in East Boston, MA by specialty
• Clinical Social Worker in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.