Individual provider Active NPI

Joseph Gnolfo III, CRNA

  • Certified Registered Nurse Anesthetist
  • Stony Brook, NY
National Provider Identifier
1770737611
Registry record updated May 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
543496 Issued in NY
Practice address
Stony Brook University Medical Ctr
HSC Level 4 - Room 060
Stony Brook, NY 11794-8480
Phone
(631) 444-2975
NPI assigned
Nov 5, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 1, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 081117 CT
Certified Registered Nurse Anesthetist 367500000X 543496 NY Primary

Addresses

Primary practice location

Stony Brook University Medical Ctr
HSC Level 4 - Room 060
Stony Brook, NY 11794-8480

Mailing address

Stony Brook University Medical Ctr
HSC Level 4 - Room 060
Stony Brook, NY 11794-8480
Phone (631) 444-2975

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110505000513 NY Practitioner - Certified Registered Nurse Anesthetist (Crna) 1052475811 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Suffolk Anesthesiology Associates PCGroup PAC ID 6204725740, 78 clinicians

Practice addresses (Care Compare)

200 Belle Terre Rd
Port Jefferson, NY 11777-1928
Phone (631) 360-4000

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
081117CTMDCertified Registered Nurse Anesthetist
543496NYMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Suffolk Anesthesiology Associates, PC CurrentSince Mar 1, 2025 Accepting new patients
New York University CurrentSince Feb 1, 2024 Accepting new patients
Office Based Anesthesia LLC CurrentSince Mar 1, 2025 Accepting new patients
New York University CurrentSince Feb 1, 2024 Accepting new patients
Long Island Anesthesia Physicians LLP CurrentSince Apr 3, 2011 Accepting new patients
New York University Current Accepting new patients
Woodland Anesthesia Associates PC Past Accepting new patients

Locations

975 Stewart Ave
Garden City, NY 11530
Phone (516) 222-8600

530 1st Ave
New York, NY 10016
Phone (212) 263-7216

1110 Hallock Ave
Port Jefferson Station, NY 11776
Phone (631) 476-9100

200 Belle Terre Rd
Prt Jefferson, NY 11777
Phone (631) 474-6000

9785 Queens Blvd
Rego Park, NY 11374
Phone (631) 360-0266

333 Route 25A
Ste 225
Rocky Point, NY 11778
Phone (631) 503-1400

50 Route 25A
Smithtown, NY 11787
Phone (631) 465-6225

Interoperability endpoints

  • Direct secure messaging: joseph.gnolfo@direct.stonybrookmedicine.edu

Organizations & group practices 7

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": "1225843200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777593600000",
    "number": "1770737611",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "STONY BROOK UNIVERSITY MEDICAL CTR",
            "address_2": "HSC LEVEL 4 - ROOM 060",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117948480",
            "telephone_number": "631-444-2975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "STONY BROOK UNIVERSITY MEDICAL CTR",
            "address_2": "HSC LEVEL 4 - ROOM 060",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117948480",
            "telephone_number": "631-444-2975"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GNOLFO",
        "first_name": "JOSEPH",
        "name_suffix": "III",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-11-05",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CT",
            "license": "081117",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NY",
            "license": "543496",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stony Brook, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.