Individual provider Active NPI

Jennifer S O'Neill, CRNA

  • Certified Registered Nurse Anesthetist
  • Jacksonville, FL
National Provider Identifier
1790920866
Registry record updated May 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
ARNP9274867 Issued in FL
Practice address
4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone
(904) 953-2000
NPI assigned
Dec 3, 2008
Last updated
May 11, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 11, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X ARNP9274867 FL Primary

Addresses

Primary practice location

4500 San Pablo Rd S
Jacksonville, FL 32224-1865

Mailing address

4500 San Pablo Rd S
Jacksonville, FL 32224-1865

Other names 1

  • Jennifer Patterson Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jpatterson397098@ehrdirect.mayoclinicmsg.org

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090305000181 FL Practitioner - Certified Registered Nurse Anesthetist (Crna) 5991861536 Reassigns benefits to 1 organization

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
Mayo Clinic JacksonvilleGroup PAC ID 5698689297, 1,595 clinicians

Practice addresses (Care Compare)

4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone (904) 953-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.24 of 100Reported as group
Quality
74.85
Promoting interoperability
100
Improvement activities
40
Cost
72.62

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Mayo Clinic Jacksonville CurrentSince Jan 12, 2009 Accepting new patients
Mayo Clinic Jacksonville CurrentSince Jan 12, 2009 Accepting new patients

Locations

4500 San Pablo Rd S
Jacksonville, FL 32224
Phone (904) 721-4815

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1228262400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1790920866",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4500 SAN PABLO RD S",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322241865"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 SAN PABLO RD S",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322241865",
            "telephone_number": "904-953-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEILL",
        "first_name": "JENNIFER",
        "middle_name": "S",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-12-03",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "FL",
            "license": "ARNP9274867",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jpatterson397098@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "4500 San Pablo Rd S",
            "city": "Jacksonville",
            "state": "FL",
            "country_code": "US",
            "postal_code": "322241865",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "JENNIFER",
            "last_name": "PATTERSON",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Jacksonville, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 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.