Individual provider Active NPI

Ruth Ann Siem, PA-C

  • Physician Assistant
  • Sioux Falls, SD
National Provider Identifier
1023080967
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
3249 Issued in SD
Practice address
1201 W Algonquin St
114 MDG
Sioux Falls, SD 57104-0264
Phone
(605) 988-5562
NPI assigned
Feb 5, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 3249 SD Primary

Addresses

Primary practice location

1201 W Algonquin St
114 MDG
Sioux Falls, SD 57104-0264

Mailing address

2423 S Alpine Ave
Sioux Falls, SD 57110-5939

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
3249SDMDPhysician Assistant

NPI Registry JSON

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

{
    "created_epoch": "1139097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1023080967",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2423 S ALPINE AVE",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571105939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1201 W ALGONQUIN ST",
            "address_2": "114 MDG",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571040264",
            "telephone_number": "605-988-5562"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEM",
        "first_name": "RUTH",
        "middle_name": "ANN",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-05",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SD",
            "license": "3249",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.