Individual provider Active NPI

Nicholas G. Guerina, M.D.

  • Neonatal-Perinatal Medicine Physician
  • Providence, RI
National Provider Identifier
1699885863
Registry record updated Jul 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
MD13423 Issued in RI
Practice address
101 Dudley St
Providence, RI 02905-2401
Phone
(401) 274-1122
Fax
(401) 453-7571
NPI assigned
Aug 30, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal-Perinatal Medicine Physician 2080N0001X MD13423 RI Primary
Pediatrics Physician 208000000X 57882 MA

Addresses

Primary practice location

101 Dudley St
Providence, RI 02905-2401

Mailing address

455 Toll Gate Rd
PRC and Credentialing
Warwick, RI 02886
Phone (401) 273-0641

Other practice location 1

101 Plain St Fl 6
Providence, RI 02903-4829
Phone (401) 274-1122

Other practice location 2

455 Toll Gate Rd
Warwick, RI 02886-2759
Phone (401) 737-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in RI
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20101111000251 RI Practitioner - Pediatric Medicine 1557318359 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
57882MAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Affinity Physicians LLC. Pediatrics CurrentSince Oct 2, 2016 Accepting new patients
Affinity Physicians LLC CurrentSince Oct 2, 2016 Accepting new patients
Pratt Pediatric Associates Inc Pediatrics Past Accepting new patients

Locations

345 Blackstone Blvd
Providence, RI 02906
Phone (401) 455-6375

101 Dudley St
Providence, RI 02905
Phone (401) 453-7950

455 Toll Gate Rd
Warwick, RI 02886
Phone (401) 737-7000

Interoperability endpoints

  • Direct secure messaging: nguerina@wih.cernerdirect.carene.org

Organizations & group practices 3

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": "1156896000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1699885863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "455 TOLL GATE RD",
            "address_2": "PRC AND CREDENTIALING",
            "city": "WARWICK",
            "state": "RI",
            "postal_code": "02886",
            "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": "101 DUDLEY ST",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029052401",
            "telephone_number": "401-274-1122",
            "fax_number": "401-453-7571"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "101 Plain St Fl 6",
            "address_purpose": "LOCATION",
            "city": "Providence",
            "state": "RI",
            "postal_code": "029034829",
            "country_code": "US",
            "telephone_number": "401-274-1122",
            "fax_number": "401-453-7622",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "455 Toll Gate Rd",
            "address_purpose": "LOCATION",
            "city": "Warwick",
            "state": "RI",
            "postal_code": "028862759",
            "country_code": "US",
            "telephone_number": "401-737-7000",
            "fax_number": "401-736-4546",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUERINA",
        "first_name": "NICHOLAS",
        "middle_name": "G.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-30",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "RI",
            "license": "MD13423",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "57882",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Providence, RI

Sources for this page

Verify at the official NPI Registry.