Individual provider Active NPI

Daniel Thomas Volk, PHD

  • Psychologist
  • Hauppauge, NY
National Provider Identifier
1255084547
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
024526 Issued in NY
Practice address
1200 Veterans Memorial Hwy Ste 106
Hauppauge, NY 11788-3052
Phone
(631) 741-7455
NPI assigned
Jan 27, 2022
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 024526 NY Primary

Addresses

Primary practice location

1200 Veterans Memorial Hwy Ste 106
Hauppauge, NY 11788-3052

Mailing address

19 Sandra Dr
Hauppauge, NY 11788-2725

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
Credentials
Doctor of Philosophy

Practice roles

OrganizationSpecialtyStatusNew patients
Daniel T Volk, Psychology, PLLC Psychologist Current Accepting new patients

Locations

1200 Veterans Memorial Hwy
Ste 106
Hauppauge, NY 11788
Phone (631) 209-7928

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": "1643241600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1255084547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19 SANDRA DR",
            "city": "HAUPPAUGE",
            "state": "NY",
            "postal_code": "117882725"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 VETERANS MEMORIAL HWY STE 106",
            "city": "HAUPPAUGE",
            "state": "NY",
            "postal_code": "117883052",
            "telephone_number": "631-741-7455"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VOLK",
        "first_name": "DANIEL",
        "middle_name": "THOMAS",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-01-27",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "NY",
            "license": "024526",
            "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 Jan 14, 2026; 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.