Individual provider Active NPI

Haley Michelle Clark, FNP

  • Family Nurse Practitioner
  • Saint Louis, MO
National Provider Identifier
1295512366
Registry record updated Jun 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
2023035149 Issued in MO
Practice address
4921 Parkview PL
Div Im Endocrinology, Ste 8B
Saint Louis, MO 63110-1032
Phone
(314) 362-3500
Fax
(314) 230-1119
NPI assigned
Sep 12, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 2023035149 MO Primary

Addresses

Primary practice location

4921 Parkview PL
Div Im Endocrinology, Ste 8B
Saint Louis, MO 63110-1032

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 362-3500

Electronic endpoints 1

TypeEndpointUseAffiliation
FHIR URL https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Washington University

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250411001899 MO Order and Referring Only - Nurse Practitioner 5799139887

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Joseph Hazan Inc. Single Specialty PastSince Sep 1, 2023 Accepting new patients
McPherson Medical & Diagnostic, LLC PastSince Sep 1, 2023 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: haley.clark.1@33202.direct.athenahealth.com
  • Direct secure messaging: ms_hclark30@landmarkhealth-direct.org

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1694476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1295512366",
    "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": "314-362-3500",
            "fax_number": "314-230-1119"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4921 PARKVIEW PL",
            "address_2": "DIV IM ENDOCRINOLOGY, STE 8B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101032",
            "telephone_number": "314-362-3500",
            "fax_number": "314-230-1119"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLARK",
        "first_name": "HALEY",
        "middle_name": "MICHELLE",
        "name_prefix": "Ms.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-09-12",
        "last_updated": "2026-06-09",
        "certification_date": "2024-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2023035149",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4921 Parkview Pl",
            "address_2": "Div IM Endocrinology, Ste 8B",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

Verify at the official NPI Registry.