Hayley C Ott, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

2023014676 Issued in MO

Practice address

1020 N Mason Rd
Div Im Infectious Diseases, Ste 200
Saint Louis, MO 63141-6666

Phone

(314) 747-1206

Fax

(314) 362-9851

NPI assigned

Jul 18, 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

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO

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

University of Missouri, Kansas City, School of Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1992746903
  Medicare reassignment Care Compare group NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1134169568
  NPD (past)

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

{
    "created_epoch": "1689638400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1346920006",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-747-1206",
            "fax_number": "314-362-9851"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1020 N MASON RD",
            "address_2": "DIV IM INFECTIOUS DISEASES, STE 200",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631416666",
            "telephone_number": "314-747-1206",
            "fax_number": "314-362-9851"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OTT",
        "first_name": "HAYLEY",
        "middle_name": "C",
        "name_prefix": "Ms.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-07-18",
        "last_updated": "2025-04-17",
        "certification_date": "2023-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2023014676",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "420141551",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1020 N Mason Rd",
            "address_2": "Div IM Infectious Diseases, Ste 200",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631416666",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Oto-AIDS, Inc.
• Otology Associates Inc
• Alicia L Ott, LPC
• Deborah A Ott, MD
• Drake Ott, ATC
• Kelly S Ott, M.D.
• Margaret Fuchs Ott, PNP
• Rachel M Ott, FNP-BC
• Sylvia Ott, R.N.
• Debra Jean Otten, PT

• Family Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Family Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.