Individual provider Active NPI

Jennifer Lynn Kollar, M.A.

  • Addiction (Substance Use Disorder) Counselor
  • Willimantic, CT
National Provider Identifier
1912226424
Registry record updated Nov 18, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
1100 Issued in CT
Practice address
433 Valley St
Willimantic, CT 06226-1901
Phone
(860) 456-7200
Fax
(860) 456-7202
NPI assigned
May 24, 2010
Last updated
Nov 18, 2021By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 18, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X 1100 CT Primary
Clinical Social Worker 1041C0700X NU

Addresses

Primary practice location

433 Valley St
Willimantic, CT 06226-1901

Mailing address

166 Ledgewood Rd
Apartment 305
Groton, CT 06340-6614
Phone (860) 333-7089

Other practice location 1

86 Bradley Rd
Madison, CT 06443-2644
Phone (203) 245-0412

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: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250709001458 CT Practitioner - Mental Health Counselor 4789198078 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Mental Health Counselor
Education
Other, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Waterstone Counseling Center LLCGroup PAC ID 0749681070, 10 clinicians

Practice addresses (Care Compare)

3190 Whitney Ave
BLDG 6
Hamden, CT 06518-2340
Phone (203) 245-0412

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Arts

Practice roles

OrganizationSpecialtyStatusNew patients
Waterstone Health LLC Clinical CurrentSince Jun 1, 2025 Accepting new patients
Waterstone Counseling Center, LLC Clinical CurrentSince Jun 1, 2025 Accepting new patients
Community Health Resources, Inc. Past Accepting new patients
Legal Social Work Consultants LLC Clinical PastSince Nov 3, 2021 Accepting new patients

Locations

32 Wall St
#C
Madison, CT 06443
Phone (203) 245-0412

86 Bradley Rd
Madison, CT 06443
Phone (203) 245-0412

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1274659200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1637193600000",
    "number": "1912226424",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "166 LEDGEWOOD RD",
            "address_2": "APARTMENT 305",
            "city": "GROTON",
            "state": "CT",
            "postal_code": "063406614",
            "telephone_number": "860-333-7089"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "433 VALLEY ST",
            "city": "WILLIMANTIC",
            "state": "CT",
            "postal_code": "062261901",
            "telephone_number": "860-456-7200",
            "fax_number": "860-456-7202"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "86 Bradley Rd",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "CT",
            "postal_code": "064432644",
            "country_code": "US",
            "telephone_number": "203-245-0412",
            "fax_number": "203-612-9030",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOLLAR",
        "first_name": "JENNIFER",
        "middle_name": "LYNN",
        "credential": "M.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-05-24",
        "last_updated": "2021-11-18",
        "certification_date": "2021-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CT",
            "license": "1100",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Willimantic, CT

Sources for this page

Verify at the official NPI Registry.