William Dempsey, LICSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

122323 Issued in MA

Practice address

1180 Beacon St Ste 4C
Brookline, MA 02446-3806

Phone

(617) 237-6664

Fax

(617) 977-2891

NPI assigned

Apr 9, 2018

Last updated

Sep 10, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Will Dempsey Other name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Heads Held High Counseling, PLLC

  • Clinical Social Worker
  • Boston, MA
  • NPI 1548044134

  Mental Health

  NPD Authorized official
• Will Dempsey, Licsw, LLC

  dba Heads Held High Counseling

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Chicago, IL
  • NPI 1164138699
  NPD Authorized official

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

{
    "created_epoch": "1523232000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1679070429",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1500 LOCUST ST APT 2801",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191024320",
            "telephone_number": "617-237-6664",
            "fax_number": "617-977-2891"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1180 BEACON ST STE 4C",
            "city": "BROOKLINE",
            "state": "MA",
            "postal_code": "024463806",
            "telephone_number": "617-237-6664",
            "fax_number": "617-977-2891"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "867 Boylston St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021162774",
            "country_code": "US",
            "telephone_number": "617-237-6664",
            "fax_number": "617-977-2891",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "26 Market St Ste 1",
            "address_purpose": "LOCATION",
            "city": "Northampton",
            "state": "MA",
            "postal_code": "010603268",
            "country_code": "US",
            "telephone_number": "617-237-6664",
            "fax_number": "617-977-2891",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEMPSEY",
        "first_name": "WILLIAM",
        "credential": "LICSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-09",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "094342",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MA",
            "license": "122323",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149022171",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "WILL",
            "last_name": "DEMPSEY",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Dellon Institute for Peripheral Nerve Surgery
• Leah Delong
• Dema M Demaggio, MD
• Tracie Lyn Dembowski, NP
• Stivia Demiri, OD
• Shu Deng
• Michelle Densmore
• Alexis Ann Denson
• Dental Associates of New England
• Dental Partners of Brookline

• Clinical Social Worker in Brookline, MA
• Providers in Brookline, 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 Sep 10, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.