Spencer James O'Reilly, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

3325 Issued in MN

Practice address

200 1St St SW
Rochester, MN 55905-0001

Phone

(507) 284-2511

NPI assigned

Jan 6, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MN

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Northfield HospitalGroup PAC ID 2567372998, 121 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northfield Hospital Hospital, Northfield, MN, CCN 240014

Medicare enrollment (NPD)

Enrolled

State licenses

Interoperability endpoints

• Direct secure messaging: soreilly149542@ehrdirect.mayoclinicmsg.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.

• Mayo Clinic

  • Multi-Specialty Clinic/Center
  • Rochester, MN
  • NPI 1922074434
  Medicare reassignment Care Compare group
• Northfield Hospital

  • Rural Acute Care Hospital
  • Northfield, MN
  • NPI 1417990805
  Medicare reassignment Care Compare group

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

• Northfield Hospital

  • Rural Acute Care Hospital
  • Northfield, MN
  • NPI 1417990805
  Care Compare affiliation

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

{
    "created_epoch": "1767657600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774828800000",
    "number": "1699632182",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "507-284-2511",
            "fax_number": "507-284-0702"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'REILLY",
        "first_name": "SPENCER",
        "middle_name": "JAMES",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-06",
        "last_updated": "2026-03-30",
        "certification_date": "2026-03-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MN",
            "license": "3325",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "soreilly149542@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Amy M. O'Neil, MD
• Heather O'Neil, APRN, CRNA
• Mary Cecilia O'Neil, LICSW
• Brian Patrick O'Neill, M.D.
• Julia S O'Neill, DPT
• Michael Patrick O'Shea, MBCHB
• Ciara Catherine O'Sullivan, M.D
• Donnchadh O'Sullivan, MB, BCH, BAO, MRCPI
• Orna T. O'Toole, MBBCH
• Carlee Ingrum Oakley, MD

• Certified Registered Nurse Anesthetist in Rochester, MN
• Providers in Rochester, MN by specialty
• Certified Registered Nurse Anesthetist in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 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.