Individual provider Active NPI

Ernest Sliwinski

  • Emergency Medicine Physician
  • New Britain, CT
National Provider Identifier
1770900789
Registry record updated Mar 17, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
59959 Issued in CT
Practice address
100 Grand St
New Britain, CT 06052-2016
Phone
(860) 224-5011
NPI assigned
Mar 27, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 17, 2018

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Emergency Medicine Physician 207P00000X 59959 CT Primary

Addresses

Primary practice location

100 Grand St
New Britain, CT 06052-2016

Mailing address

100 Grand St
New Britain, CT 06052-2016
Phone (860) 224-5011

Other practice location 1

270-05 76th Ave
New Hyde Park, NY 11040
Phone (718) 470-7873

Other practice location 2

34 Maple St
Norwalk, CT 06850-3815
Phone (203) 852-2000

Other practice location 3

270-05 76th Ave
New Hyde Park, NY 11040
Phone (718) 470-7873

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20180425002218 CT Practitioner - Emergency Medicine 8921362039 Reassigns benefits to 4 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Norwalk Hospital Association CurrentSince Apr 30, 2018 Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley CurrentSince Apr 8, 2018 Accepting new patients
Bridgeport Hospital CurrentSince Mar 1, 2025 Accepting new patients
Norwalk Hospital Association CurrentSince Apr 30, 2018 Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley CurrentSince Apr 8, 2018 Accepting new patients
Danbury Hospital Emergency Medicine CurrentSince Mar 16, 2020 Accepting new patients
Nuvance Health Medical Practice CT, Inc. CurrentSince Oct 1, 2019 Accepting new patients
Danbury Hospital CurrentSince Mar 16, 2020 Accepting new patients
Bridgeport Hospital CurrentSince Mar 1, 2025 Accepting new patients
The Hospital of Central Connecticut at New Britain General and Bradley Past Accepting new patients

Locations

267 Grant St
Bridgeport, CT 06610
Phone (203) 384-3170

24 Hospital Ave
Danbury, CT 06810
Phone (203) 739-7118

20 Germantown Rd
Danbury, CT 06810
Phone (203) 739-4820

100 Grand St
Ste E119
New Britain, CT 06052
Phone (860) 224-5305

100 Grand St
New Britain, CT 06052
Phone (860) 224-5011

520 West Ave
Norwalk, CT 06850
Phone (203) 852-2417

34 Maple St
Norwalk, CT 06850
Phone (203) 852-2000

Interoperability endpoints

  • Direct secure messaging: esliwinski727847@direct.ynhh.org

Organizations & group practices 10

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": "1395878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1521244800000",
    "number": "1770900789",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 GRAND ST",
            "city": "NEW BRITAIN",
            "state": "CT",
            "postal_code": "060522016",
            "telephone_number": "860-224-5011"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 GRAND ST",
            "city": "NEW BRITAIN",
            "state": "CT",
            "postal_code": "060522016",
            "telephone_number": "860-224-5011"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "270-05 76th Ave",
            "address_purpose": "LOCATION",
            "city": "New Hyde Park",
            "state": "NY",
            "postal_code": "11040",
            "country_code": "US",
            "telephone_number": "718-470-7873",
            "fax_number": "718-470-9113",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "34 Maple St",
            "address_purpose": "LOCATION",
            "city": "Norwalk",
            "state": "CT",
            "postal_code": "068503815",
            "country_code": "US",
            "telephone_number": "203-852-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "270-05 76th Ave",
            "address_purpose": "LOCATION",
            "city": "New Hyde Park",
            "state": "NY",
            "postal_code": "11040",
            "country_code": "US",
            "telephone_number": "718-470-7873",
            "fax_number": "718-470-9113",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SLIWINSKI",
        "first_name": "ERNEST",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-03-27",
        "last_updated": "2018-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CT",
            "license": "59959",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Britain, CT

Sources for this page

Verify at the official NPI Registry.