Individual provider Active NPI

Karen McCloskey, M.D.

  • Endocrinology, Diabetes & Metabolism Physician
  • Danbury, CT
National Provider Identifier
1972982205
Registry record updated Mar 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
72175 Issued in CT
Practice address
25 Germantown Rd
Danbury, CT 06810-5036
Phone
(203) 794-5620
Fax
(203) 739-8420
NPI assigned
May 19, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 4, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 72175 CT Primary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 292845 NY

Addresses

Primary practice location

25 Germantown Rd
Danbury, CT 06810-5036

Mailing address

25 Germantown Rd
Danbury, CT 06810-5036
Phone (203) 794-5620

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
I20220920003076 CT Practitioner - Endocrinology 9638418924 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
University of Pittsburgh School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Nuvance Health Medical Practice CT IncGroup PAC ID 4789597691, 742 clinicians

Practice addresses (Care Compare)

25 Germantown Rd
Danbury, CT 06810-5036
Phone (203) 794-5620

Hospital & facility affiliations

  • Danbury Hospital Hospital, Danbury, CT, CCN 070033
  • Sharon Hospital Hospital, Sharon, CT, CCN 070004
  • Norwalk Hospital Hospital, Norwalk, CT, CCN 070034

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
72175CTMDEndocrinology, Diabetes & Metabolism Physician
292845NYMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Nuvance Health Medical Practice CT, Inc. Endocrinology, Diabetes & Metabolism CurrentSince Sep 1, 2022 Accepting new patients

Locations

25 Germantown Rd
Danbury, CT 06810
Phone (203) 794-5620

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

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.

Hospital & facility affiliations 7

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": "1431993600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1972982205",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 GERMANTOWN RD",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068105036",
            "telephone_number": "203-794-5620"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 GERMANTOWN RD",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068105036",
            "telephone_number": "203-794-5620",
            "fax_number": "203-739-8420"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCLOSKEY",
        "first_name": "KAREN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-05-19",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CT",
            "license": "72175",
            "primary": true
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NY",
            "license": "292845",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Danbury, CT

Sources for this page

Verify at the official NPI Registry.