Individual provider Active NPI

John Tloczkowski, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Greenlawn, NY
National Provider Identifier
1730402702
Registry record updated Dec 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
257389 Issued in NY
Practice address
5 Cuba Hill Rd
Greenlawn, NY 11740-1624
Phone
(631) 628-5000
NPI assigned
Mar 5, 2010
Last updated
Dec 7, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 7, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 257389 NY Primary

Addresses

Primary practice location

5 Cuba Hill Rd
Greenlawn, NY 11740-1624

Mailing address

5 Cuba Hill Rd
Greenlawn, NY 11740-1624
Phone (631) 628-5000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20120615000396 NY Practitioner - EndocrinologyPractitioner - Internal Medicine 0345404661 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
EndocrinologyAlso: Internal Medicine
Education
State University of Ny Upstate Medical University, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

325 Park Ave
Huntington, NY 11743-2779
Phone (631) 659-4400

5 Cuba Hill Rd
Greenlawn, NY 11740-1624
Phone (631) 628-5000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
North Shore Medical Group of the Mount Sinai School of Medicine CurrentSince Jul 1, 2012 Accepting new patients
North Shore Medical Group of the Mount Sinai School of Medicine Endocrinology, Diabetes & Metabolism CurrentSince Jul 1, 2012 Accepting new patients

Locations

5 Cuba Hill Rd
Greenlawn, NY 11740
Phone (631) 628-5000

325 Park Ave
Huntington, NY 11743
Phone (631) 351-3700

Networks

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

Organizations & group practices 2

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 1

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": "1267747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701907200000",
    "number": "1730402702",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 CUBA HILL RD",
            "city": "GREENLAWN",
            "state": "NY",
            "postal_code": "117401624",
            "telephone_number": "631-628-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 CUBA HILL RD",
            "city": "GREENLAWN",
            "state": "NY",
            "postal_code": "117401624",
            "telephone_number": "631-628-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TLOCZKOWSKI",
        "first_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-03-05",
        "last_updated": "2023-12-07",
        "certification_date": "2023-12-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NY",
            "license": "257389",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenlawn, NY

Sources for this page

Verify at the official NPI Registry.