Nicole Sheffield, ARNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

A128252 Issued in IA

Practice address

250 S Crescent Dr
Mason City, IA 50401-2926

Phone

(641) 494-5300

Fax

(641) 494-5321

NPI assigned

Feb 4, 2019

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IA

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, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Iowa Mercy ClinicsGroup PAC ID 7810809076, 304 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercyone North Iowa Medical Center Hospital, Mason City, IA, CCN 160064
• Hancock County Health System Hospital, Britt, IA, CCN 161307
• Kossuth Regional Health Center Hospital, Algona, IA, CCN 161353
• Mitchell County Regional Health Hospital, Osage, IA, CCN 161323

Merit-based Incentive Payment System (MIPS)

Final score

81.55 of 100Reported as group

Quality

73.89

Promoting interoperability

93

Improvement activities

40

Cost

70.44

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nsheffield3957651@direct.trinity-health.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.

• North Iowa Mercy Clinics

  • Anesthesiology Physician
  • Mason City, IA
  • NPI 1780278242

  IA

  Medicare reassignment Care Compare group NPD
• Mason City Clinic PC

  • Otolaryngology Physician
  • Mason City, IA
  • NPI 1043254055

  IA

  Medicare reassignment NPD
• North Iowa Mercy Clinics

  • Cardiovascular Disease Physician
  • Mason City, IA
  • NPI 1801147269
  NPD
• North Iowa Mercy Clinics

  • Family Medicine Physician
  • Forest City, IA
  • NPI 1811003015
  NPD
• North Iowa Mercy Clinics

  • Physical Medicine & Rehabilitation Physician
  • Mason City, IA
  • NPI 1881797124
  NPD
• North Iowa Mercy Clinics

  • Family Medicine Physician
  • Northwood, IA
  • NPI 1932217825
  NPD
• North Iowa Mercy Clinics

  • Sports Medicine (Family Medicine) Physician
  • Mason City, IA
  • NPI 1982300349
  NPD
• Floyd County Memorial Hospital Commission

  • Critical Access Hospital
  • Charles City, IA
  • NPI 1265402390
  NPD (past)
• North Iowa Mercy Clinics

  • Internal Medicine Physician
  • Mason City, IA
  • NPI 1609806371
  NPD (past)
• North Iowa Mercy Clinics

  • Family Medicine Physician
  • Mason City, IA
  • NPI 1922118918
  NPD (past)

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

• Hancock County Health System

  • Critical Access Hospital
  • Britt, IA
  • NPI 1912938606

  Hospital

  Care Compare affiliation
• Kossuth Regional Health Center

  • Critical Access Hospital
  • Algona, IA
  • NPI 1841361276

  Hospital

  Care Compare affiliation
• Mercy Health Services-Iowa Corp

  • Rural Acute Care Hospital
  • Mason City, IA
  • NPI 1467537886

  Hospital

  Care Compare affiliation
• Mitchell County Memorial Hospital

  • Critical Access Hospital
  • Osage, IA
  • NPI 1033291927

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1549238400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761523200000",
    "number": "1124583281",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 S CRESCENT DR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012926",
            "telephone_number": "641-494-5300",
            "fax_number": "641-494-5321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 S CRESCENT DR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012926",
            "telephone_number": "641-494-5300",
            "fax_number": "641-494-5321"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHEFFIELD",
        "first_name": "NICOLE",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-02-04",
        "last_updated": "2025-10-27",
        "certification_date": "2025-10-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IA",
            "license": "A128252",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "heartcenternurse@1245.direct.myezaccess.com",
            "affiliation": "N",
            "endpointDescription": "Mason City Clinic Direct Email Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "250 S Crescent Dr",
            "city": "Mason City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "504012926",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jayne Susan Shaffer
• Santosh Shah, MD
• Jaffar A Shaikh, MD
• Katie Shannon, DNP
• Tamara Cayle Shannon, LMHC
• Pratha Shettigar, MD
• Vasavi Shetty
• Shirk PC
• Gregory J Shirk, DC
• Mohammedelrashed Shogar, MD

• All providers in Mason City, IA
• Family Nurse Practitioner in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 27, 2025; 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.