Lyndsay Dematteo, MSN, APRN, AGPCNP-C

Primary specialty

Gerontology Nurse PractitionerTaxonomy code 363LG0600X

License

APRN02654 Issued in RI

Practice address

345 Blackstone Blvd
1St Floor Weld BLDG
Providence, RI 02906-4800

Phone

(401) 455-6402

Fax

(401) 455-6405

NPI assigned

Apr 8, 2020

Sex

Female

Sole proprietor

Yes

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.

• Affinity Physicians LLC.

  • Internal Medicine Physician
  • Warwick, RI
  • NPI 1184944662
  Medicare reassignment Care Compare group NPD RI
• Yale University

  • Anesthesiology Physician
  • New Haven, CT
  • NPI 1205822236
  Medicare reassignment NPD CT
• Affinity Physicians LLC

  • Anesthesiology Physician
  • Providence, RI
  • NPI 1053038471
  NPD
• Yale University

  • Adult Mental Health Clinic/Center
  • Hamden, CT
  • NPI 1134391824
  NPD
• Yale University

  • Durable Medical Equipment & Medical Supplies
  • Fairfield, CT
  • NPI 1548066962
  NPD

Specialty

Nurse Practitioner

Education

Other, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Affinity Physicians LLC. 723 clinicians

Practice addresses (Care Compare)

Medicare fee-for-service enrollment

Enrolled in CT, RI2 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.

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ldematteo@direct.carene.org

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Apr 22, 2026.

{
    "created_epoch": "1586304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776816000000",
    "number": "1346869583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "455 TOLL GATE RD",
            "address_2": "PRC AND CREDENTIAILNG",
            "city": "WARWICK",
            "state": "RI",
            "postal_code": "028862759",
            "telephone_number": "401-273-0641",
            "fax_number": "401-273-2919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "345 BLACKSTONE BLVD",
            "address_2": "1ST FLOOR WELD BLDG",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029064800",
            "telephone_number": "401-455-6402",
            "fax_number": "401-455-6405"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEMATTEO",
        "first_name": "LYNDSAY",
        "credential": "MSN, APRN, AGPCNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-04-08",
        "last_updated": "2026-04-22",
        "certification_date": "2026-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "RI",
            "license": "APRN02654",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ldematteo@kent.cernerdirect.carene.org",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "345 Blackstone Blvd",
            "address_2": "1st Floor Weld Bldg",
            "city": "Providence",
            "state": "RI",
            "country_code": "US",
            "postal_code": "029064800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dandrea Lynn Delves, MA
• Sherry Demacedo, RN-BC,ACNPC-AG,OCN
• Ananda Day Demaio, LICSW
• Patrick Demartino, M.D.
• Joseph P Demassi, RN
• Robert Dembinski, MD
• Adriana Demello-Erickson, MSW,LICSW
• Bonita Irene Demello, CNP (PMHNP)
• Erica Demello, PA-C
• Jennifer Kristen Demello, EDUCATOR

• All providers in Providence, RI
• Gerontology Nurse Practitioner in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.