NPIMap

Individual provider Active NPI

Lydia Horvath

  • Hospitalist Physician
  • Sioux Falls, SD
National Provider Identifier
1538803044
Registry record updated Sep 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
17662 Issued in SD
Practice address
1305 W 18TH St
Sioux Falls, SD 57105-0401
Phone
(605) 328-4973
NPI assigned
Apr 21, 2022
Last updated
Sep 30, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 30, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Internal Medicine Physician 207R00000X 17662 SD
Hospitalist Physician 208M00000X 17662 SD Primary

Addresses

Primary practice location

1305 W 18TH St
Sioux Falls, SD 57105-0401

Mailing address

PO Box 5074
Sioux Falls, SD 57117-5074

Other practice location 1

1 Medical Center Dr Ste 162
Stratford, NJ 08084-1500
Phone (856) 566-2753

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SD
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251014004379 SD Practitioner - Hospitalist 5698262533 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hospitalist
Education
Rowan University School of Osteopathic Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sanford ClinicGroup PAC ID 0244143824, 268 clinicians

Practice addresses (Care Compare)

1301 W 18TH St
Sioux Falls, SD 57105-0401
Phone (605) 312-2100

1305 W 18TH St
Sioux Falls, SD 57105-0401
Phone (605) 328-8700

525 N Foster St
Mitchell, SD 57301-2966
Phone (605) 995-5635

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
17662SDMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sanford Clinic CurrentSince Sep 22, 2025 Accepting new patients
Sanford Clinic Current Accepting new patients
Sanford Clinic Internal Medicine CurrentSince Sep 22, 2025 Accepting new patients

Locations

525 N Foster St
Mitchell, SD 57301
Phone (605) 995-2000

1305 W 18th St
Sioux Falls, SD 57105
Phone (605) 312-7300

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 10

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

NPI Registry JSON

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

{
    "created_epoch": "1650499200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1538803044",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1305 W 18TH ST",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571050401",
            "telephone_number": "605-328-4973"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Medical Center Dr Ste 162",
            "address_purpose": "LOCATION",
            "city": "Stratford",
            "state": "NJ",
            "postal_code": "080841500",
            "country_code": "US",
            "telephone_number": "856-566-2753",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HORVATH",
        "first_name": "LYDIA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2022-04-21",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SD",
            "license": "17662",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "SD",
            "license": "17662",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

Verify at the official NPI Registry.