Gwendolyn R Butler, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

079430 Issued in NY

Practice address

16 Prospect Ave Apt 1
Sea Cliff, NY 11579-1065

Phone

(929) 319-7740

NPI assigned

Nov 13, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Che Senior Psychological Services, PCGroup PAC ID 8022905314, 227 clinicians

Practice addresses (Care Compare)

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 and National Provider Directory roles.

• Che Senior Psychological Services, PC

  • Clinical Psychologist
  • Brooklyn, NY
  • NPI 1023078219
  Medicare reassignment Care Compare group NPD
• Knapp Street Psychiatry, PC

  • Clinical Psychologist
  • Brooklyn, NY
  • NPI 1043248776
  Medicare reassignment NPD

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

{
    "created_epoch": "1163376000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1568533115",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16 PROSPECT AVE APT 1",
            "city": "SEA CLIFF",
            "state": "NY",
            "postal_code": "115791065",
            "telephone_number": "929-319-7750"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16 PROSPECT AVE APT 1",
            "city": "SEA CLIFF",
            "state": "NY",
            "postal_code": "115791065",
            "telephone_number": "929-319-7740"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BUTLER",
        "first_name": "GWENDOLYN",
        "middle_name": "R",
        "name_prefix": "Mrs.",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-11-13",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "079430",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Blue Harbor Healing LLC
• Martin Bockler, DMD
• Marian B Boehm
• Ashley Bove, LMSW
• Dan Brady
• Abigail K. Cannon, RD
• Maratea H Cantarella, LMSW
• Margaret M Casey, M.A.
• Lisa Cashman, M.S., R.D.
• Matthew H Catapano, LMSW

• Clinical Social Worker in Sea Cliff, NY
• Providers in Sea Cliff, NY by specialty
• Clinical Social Worker in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 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.