Joseph Blaise Guarnaccia, M.D.

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

031179 Issued in CT

Practice address

350 Seymour Ave # 1C
Derby, CT 06418-1336

Phone

(203) 732-1290

Fax

(203) 732-1299

NPI assigned

Jul 12, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in RI, CT2 enrollments

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 2

Specialty

NeurologyAlso: Psychiatry

Education

Des Moines University of Osteopathic Medicine and Health Sciences, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Affinity Physicians LLC.Group PAC ID 0244413391, 723 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Griffin Hospital Hospital, Derby, CT, CCN 070031
• Kent County Memorial Hospital Hospital, Warwick, RI, CCN 410009
• Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022
• Women & Infants Hospital of Rhode Island Hospital, Providence, RI, CCN 410010
• South County Hospital Inc Hospital, Wakefield, RI, CCN 410008
• Gaylord Hospital Inc Long-term care hospital, Wallingford, CT, CCN 072003

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jguarnaccia@kent.cernerdirect.carene.org
• Direct secure messaging: jguarnaccia3297@direct.ynhh.org
• Direct secure messaging: jguarnaccia@direct.carene.org

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

  Neurology

  Medicare reassignment Care Compare group NPD
• Affinity Physicians LLC

  • Anesthesiology Physician
  • Providence, RI
  • NPI 1053038471
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Gaylord Hospital, Inc.

  • Long Term Care Hospital
  • Wallingford, CT
  • NPI 1730137753

  Long-term care hospital

  Care Compare affiliation
• The Griffin Hospital

  • General Acute Care Hospital
  • Derby, CT
  • NPI 1184639973
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1336139500
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1578778726
  Care Compare affiliation
• Kent County Memorial Hospital

  • Rehabilitation Hospital Unit
  • Warwick, RI
  • NPI 1023017944
  Care Compare affiliation
• Kent County Memorial Hospital

  • General Acute Care Hospital
  • Warwick, RI
  • NPI 1386643294
  Care Compare affiliation
• South County Hospital Healthcare System

  • General Acute Care Hospital
  • Wakefield, RI
  • NPI 1952366106
  Care Compare affiliation
• Women & Infants Hospital of Rhode Island

  • General Acute Care Hospital
  • Providence, RI
  • NPI 1447233788
  Care Compare affiliation

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

{
    "created_epoch": "1152662400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784073600000",
    "number": "1235164427",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "137 COLD SPRING ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065112205",
            "telephone_number": "203-676-7436",
            "fax_number": "203-732-1299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 SEYMOUR AVE # 1C",
            "city": "DERBY",
            "state": "CT",
            "postal_code": "064181336",
            "telephone_number": "203-732-1290",
            "fax_number": "203-732-1299"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15 Health Ln",
            "address_purpose": "LOCATION",
            "city": "Warwick",
            "state": "RI",
            "postal_code": "028862879",
            "country_code": "US",
            "telephone_number": "401-736-4626",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUARNACCIA",
        "first_name": "JOSEPH",
        "middle_name": "BLAISE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-12",
        "last_updated": "2026-07-15",
        "certification_date": "2026-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "RI",
            "license": "MD10454",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CT",
            "license": "031179",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001311795",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Griffin Faculty Physicians, Inc.
• Griffin Pathology Consultants, P.C.
• Griffin Pharmacy & Gifts
• Tiana Griffin
• Mark S Grogan, MD
• Julie Susan Guilmette, LCSW
• Feng Hua Guo, MD
• Elena N Gutman, M.D.
• Patricia Haag, OT
• Maryann E Hagberg, RD,CDN

• Neurology Physician in Derby, CT
• Providers in Derby, CT by specialty
• Neurology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 15, 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.