Individual provider Active NPI

Matthew Lettick

  • Family Nurse Practitioner
  • New Haven, CT
National Provider Identifier
1184537516
Registry record updated Sep 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
17639 Issued in CT
Practice address
20 York St
New Haven, CT 06510-3202
Phone
(203) 688-4748
Fax
(203) 688-4740
NPI assigned
Sep 25, 2026
Last updated
Sep 25, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 256470 AZ
Family Nurse Practitioner 363LF0000X 17639 CT Primary

Addresses

Primary practice location

20 York St
New Haven, CT 06510-3202

Mailing address

20 York St
New Haven, CT 06510-3202

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1790294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790294400000",
    "number": "1184537516",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103202"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103202",
            "telephone_number": "203-688-4748",
            "fax_number": "203-688-4740"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LETTICK",
        "first_name": "MATTHEW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-25",
        "last_updated": "2026-09-25",
        "certification_date": "2026-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "256470",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CT",
            "license": "17639",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.