Individual provider Active NPI

Andrea A Leach

  • Family Nurse Practitioner
  • Naugatuck, CT
National Provider Identifier
1881385979
Registry record updated Feb 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
87196 Issued in CT
Practice address
58 Maple St
Naugatuck, CT 06770-4160
Phone
(203) 729-0775
NPI assigned
May 18, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 27, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 352507 NY
Family Nurse Practitioner 363LF0000X 87196 CT Primary

Addresses

Primary practice location

58 Maple St
Naugatuck, CT 06770-4160

Mailing address

710 Main St S
Southbury, CT 06488-9701
Phone (203) 725-6303

Other practice location 1

670 Stoneleigh Ave
Carmel, NY 10512-3997
Phone (845) 279-2000 ext. 56303

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CT2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20231130003469 NY Practitioner - Nurse Practitioner 8224486279 Reassigns benefits to 1 organization
I20240205003103 CT Practitioner - Nurse Practitioner 8224486279 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Optum Medical Care PCGroup PAC ID 9931013240, 1,013 clinicians

Practice addresses (Care Compare)

90 S Bedford Rd
Mount Kisco, NY 10549-3412
Phone (914) 241-1050

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
87196CTMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Optum Medical Care, P.C. CurrentSince Jan 1, 2024 Accepting new patients
Trinity Health of New England Urgent Care PLLC CurrentSince Jan 7, 2026 Accepting new patients
Optum Medical Care, P.C. CurrentSince Jan 1, 2024 Accepting new patients
Mount Kisco Medical Group Past Accepting new patients

Locations

58 Maple St
Naugatuck, CT 06770
Phone (203) 723-5636

1312 W Main St
Waterbury, CT 06708
Phone (203) 709-4575

2322 30th Ave
Astoria, NY 11102
Phone (718) 267-2763

672 Stoneleigh Ave
Carmel, NY 10512
Phone (845) 279-2000

670 Stoneleigh Ave
Carmel, NY 10512
Phone (845) 230-4721

90 S Bedford Rd
Mount Kisco, NY 10549
Phone (914) 242-1050

Philadelphia, PA 19195

Networks

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

Interoperability endpoints

  • Direct secure messaging: aleach141317@direct.optum.com

Organizations & group practices 4

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": "1684368000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1881385979",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "710 MAIN ST S",
            "city": "SOUTHBURY",
            "state": "CT",
            "postal_code": "064889701",
            "telephone_number": "203-725-6303"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "58 MAPLE ST",
            "city": "NAUGATUCK",
            "state": "CT",
            "postal_code": "067704160",
            "telephone_number": "203-729-0775"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "670 Stoneleigh Ave",
            "address_purpose": "LOCATION",
            "city": "Carmel",
            "state": "NY",
            "postal_code": "105123997",
            "country_code": "US",
            "telephone_number": "845-279-2000 x56303",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEACH",
        "first_name": "ANDREA",
        "middle_name": "A",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-05-18",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "NY",
            "license": "352507",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CT",
            "license": "87196",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Naugatuck, CT

Sources for this page

Verify at the official NPI Registry.