Geraldine M Gallagher, MPS

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

002668 Issued in NY

Practice address

2 William Ave
East Islip, NY 11730-2330

Phone

(631) 224-7700

Fax

(631) 224-7600

NPI assigned

May 31, 2007

Last updated

Sep 11, 2025By 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.

State licenses

Practice roles

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.

• Sanctuary East LTD.

  • Recovery Care Clinic/Center
  • East Islip, NY
  • NPI 1508801549
  NPD (past)
• Sanctuary East LTD.

  • Substance Use Disorder Rehabilitation Clinic/Center
  • East Islip, NY
  • NPI 1972560167
  NPD (past)

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

{
    "created_epoch": "1180569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1427259738",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 WILLIAM AVE",
            "city": "EAST ISLIP",
            "state": "NY",
            "postal_code": "117302330"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 WILLIAM AVE",
            "city": "EAST ISLIP",
            "state": "NY",
            "postal_code": "117302330",
            "telephone_number": "631-224-7700",
            "fax_number": "631-224-7600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GALLAGHER",
        "first_name": "GERALDINE",
        "middle_name": "M",
        "credential": "MPS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-31",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "NY",
            "license": "928",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": "002668",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maria Laura Flores, ABA
• David Forlano, DDS
• Kristen Marie Forlano, DDS
• Denaleigh Forman-Ahrens, M.A., L.M.F.T.
• Chantal Francois, NURSE PRACTITIONER
• Katie Emely Garcia
• Gary a. Rosenfeld, DDS, PC (East Islip Dental Care)
• Genovese Drug Stores Inc (Rite Aid Pharmacy 10634)
• George M. Devito DPM PC
• Ilene Gewirtz, M.D.

• Mental Health Counselor in East Islip, NY
• Providers in East Islip, NY by specialty
• Mental Health Counselor in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; OIG LEIE.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.