NPIMap

Individual provider Active NPI

Thomas Wilson Holowka

  • Infectious Disease Physician
  • Stony Brook, NY
National Provider Identifier
1801386289
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
337363 Issued in NY
Practice address
101 Nicolls Rd # T16-060
Stony Brook, NY 11794-6134
Phone
(631) 444-3490
Fax
(631) 444-7518
NPI assigned
May 11, 2018
Last updated
Jul 9, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X 337363 NY Primary

Addresses

Primary practice location

101 Nicolls Rd # T16-060
Stony Brook, NY 11794-6134

Mailing address

101 Nicolls Rd # T16-060
Stony Brook, NY 11794-8153
Phone (631) 444-3490

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tholowka726373@direct.UNC.nchie.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC, NY2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230720000161 NC Practitioner - Infectious Disease 4486909967 Reassigns benefits to 1 organization
I20250808003782 NY Practitioner - Infectious Disease 4486909967 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

100 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone (631) 444-1560

205 N Belle Mead Rd
East Setauket, NY 11733-3483
Phone (631) 444-4630

Lauterbur Dr
Stony Brook, NY 11794-0001
Phone (632) 638-1000

PO Box
Suite 1554
Stony Brook, NY 11790-0989

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Stony Brook Internists, University Faculty Practice Corporation CurrentSince Aug 1, 2025 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation Infectious Disease CurrentSince Aug 1, 2025 Accepting new patients
University of North Carolina at Chapel Hill CurrentSince Jul 1, 2023 Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation Current Accepting new patients
Stony Brook Internists, University Faculty Practice Corporation Past Accepting new patients

Locations

101 Manning Dr
Chapel Hill, NC 27514
Phone (984) 974-1485

205 N Belle Mead Rd
Setauket, NY 11733
Phone (631) 444-1660

100 Nicolls Rd
Stony Brook, NY 11794
Phone (631) 444-1560

101 Nicolls Rd
#T16060
Stony Brook, NY 11794
Phone (631) 444-3490

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: tholowka726373@direct.unc.nchie.net

Organizations & group practices 5

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.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1525996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1801386289",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 NICOLLS RD # T16-060",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117948153",
            "telephone_number": "631-444-3490",
            "fax_number": "631-444-7518"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 NICOLLS RD # T16-060",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117946134",
            "telephone_number": "631-444-3490",
            "fax_number": "631-444-7518"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLOWKA",
        "first_name": "THOMAS",
        "middle_name": "WILSON",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-05-11",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NY",
            "license": "337363",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tholowka726373@direct.UNC.nchie.net",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "101 Manning Dr",
            "city": "Chapel Hill",
            "state": "NC",
            "country_code": "US",
            "postal_code": "275144220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Stony Brook, NY

Sources for this page

Verify at the official NPI Registry.