Mariah Lynn O'Connell, MSN, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

10425 Issued in MN

Practice address

200 1St St SW
Rochester, MN 55905-0001

Phone

(507) 284-2511

NPI assigned

Apr 12, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

The Duluth Clinic LTDGroup PAC ID 2567374283, 1,135 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Essentia Health Duluth Hospital, Duluth, MN, CCN 240019
• Mayo Clinic Hospital Rochester Hospital, Rochester, MN, CCN 240010
• Essentia Health St Mary'S Medical Center Hospital, Duluth, MN, CCN 240002

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing, Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: moconnell149416@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 NPD
• The Duluth Clinic LTD

  • Multi-Specialty Clinic/Center
  • Cloquet, MN
  • NPI 1902563638
  Medicare reassignment Care Compare group
• Mayo Clinic

  • Clinical Medical Laboratory
  • Rochester, MN
  • NPI 1083249577
  NPD
• Mayo Clinic

  • Infectious Disease Physician
  • Rochester, MN
  • NPI 1114343860
  NPD
• Mayo Clinic

  • Air Ambulance
  • Rochester, MN
  • NPI 1821326570
  NPD (past)
• The Duluth Clinic, LTD

  • Anesthesiology Physician
  • Duluth, MN
  • NPI 1760417935
  NPD (past)

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

• Mayo Clinic Hospital-Rochester

  • General Acute Care Hospital
  • Rochester, MN
  • NPI 1841266194
  Care Compare affiliation
• St Marys Medical Center

  • General Acute Care Hospital
  • Duluth, MN
  • NPI 1457393035
  Care Compare affiliation
• St. Marys Medical Center

  • Air Ambulance
  • Duluth, MN
  • NPI 1841359478

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1681257600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1700572948",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050001",
            "telephone_number": "507-284-2511"
        },
        {
            "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": [
        {
            "address_1": "420 E 1st St",
            "address_purpose": "LOCATION",
            "city": "Duluth",
            "state": "MN",
            "postal_code": "558051901",
            "country_code": "US",
            "telephone_number": "218-786-8364",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNELL",
        "first_name": "MARIAH",
        "middle_name": "LYNN",
        "credential": "MSN, FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-12",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MN",
            "license": "10425",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marybeth L O Neil, CNS
• Emily O'Brien, OT
• Erin K O'Brien, MD
• Meredith A O'Brien, APRN, CRNA
• Travis O'Brien, CRNA
• Michael John O'Connell, MD
• Christina G O'Connor, PHARMD
• Kimberly O'Day, LICSW
• Sean Daniel O'Donnell, MD
• Darragh O'Donoghue, M.B., B.CH., B.A.O.

• Family Nurse Practitioner in Rochester, MN
• Providers in Rochester, MN by specialty
• Family Nurse Practitioner in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 20, 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.