Individual provider Active NPI

John Charles Schmeiser, LMSW

  • Social Worker
  • Hauppauge, NY
National Provider Identifier
1467339689
Registry record updated Aug 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
Practice address
111 Smithtown Byp Ste 207
Hauppauge, NY 11788-2512
Phone
(631) 374-5815
Fax
(631) 360-3752
NPI assigned
Aug 19, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X Primary

Addresses

Primary practice location

111 Smithtown Byp Ste 207
Hauppauge, NY 11788-2512

Mailing address

3 Custom LN
Port Jefferson Station, NY 11776-2709
Phone (631) 434-5376

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Jennifer Ufko, LCSW, PLLC CurrentSince Aug 25, 2025 Accepting new patients

Locations

111 Smithtown Byp
Ste 207
Hauppauge, NY 11788
Phone (631) 360-3752

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1755561600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1467339689",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 CUSTOM LN",
            "city": "PORT JEFFERSON STATION",
            "state": "NY",
            "postal_code": "117762709",
            "telephone_number": "631-434-5376"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 SMITHTOWN BYP STE 207",
            "city": "HAUPPAUGE",
            "state": "NY",
            "postal_code": "117882512",
            "telephone_number": "631-374-5815",
            "fax_number": "631-360-3752"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHMEISER",
        "first_name": "JOHN",
        "middle_name": "CHARLES",
        "name_prefix": "Mr.",
        "credential": "LMSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-08-19",
        "last_updated": "2025-08-19",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hauppauge, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.