Individual provider Active NPI

Lynn S Duchan, M.S., M.A.

  • Genetic Counselor (M.S.)
  • Bridgeport, CT
National Provider Identifier
1306894563
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Genetic Counselor (M.S.)Taxonomy code 170300000X
Practice address
2800 Main St
St. Vincent'S Medical Center Maternal Fetal Med 5 Floor
Bridgeport, CT 06606-4201
Phone
(203) 576-6093
Fax
(203) 576-5724
NPI assigned
May 4, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Genetic Counselor (M.S.) 170300000X Primary

Addresses

Primary practice location

2800 Main St
St. Vincent'S Medical Center Maternal Fetal Med 5 Floor
Bridgeport, CT 06606-4201

Mailing address

21 High Point Rd
Westport, CT 06880-3906
Phone (203) 259-9446

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Master of Arts, Master of Science

NPI Registry JSON

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

{
    "created_epoch": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1306894563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21 HIGH POINT RD",
            "city": "WESTPORT",
            "state": "CT",
            "postal_code": "068803906",
            "telephone_number": "203-259-9446",
            "fax_number": "203-259-9446"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 MAIN ST",
            "address_2": "ST. VINCENT'S MEDICAL CENTER MATERNAL FETAL MED 5 FLOOR",
            "city": "BRIDGEPORT",
            "state": "CT",
            "postal_code": "066064201",
            "telephone_number": "203-576-6093",
            "fax_number": "203-576-5724"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUCHAN",
        "first_name": "LYNN",
        "middle_name": "S",
        "credential": "M.S., M.A.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-04",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "170300000X",
            "taxonomy_group": "",
            "desc": "Genetic Counselor, MS",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bridgeport, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.