Individual provider Active NPI

Maria A Ludens, MD

  • Internal Medicine Physician
  • Mitchell, SD
National Provider Identifier
1194475681
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
17752 Issued in SD
Practice address
1900 Grassland Dr
Mitchell, SD 57301-6335
Phone
(605) 995-7000
NPI assigned
Mar 27, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 17752 SD Primary

Addresses

Primary practice location

1900 Grassland Dr
Mitchell, SD 57301-6335

Mailing address

44663 262ND St
Canistota, SD 57012-6424
Phone (605) 421-9841

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251209002587 SD Practitioner - Internal Medicine 9931583879 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Rural Health Care IncGroup PAC ID 3476447541, 156 clinicians

Practice addresses (Care Compare)

1900 Grassland Dr
Suite 103
Mitchell, SD 57301-6386
Phone (605) 995-7000

609 Garfield Ave
Murdo, SD 57559-4100
Phone (605) 669-2121

Hospital & facility affiliations

  • Avera Queen of Peace Hospital, Mitchell, SD, CCN 431340
  • Avera McKennan Hospital & University Health Center Hospital, Sioux Falls, SD, CCN 430016
  • Firesteel Healthcare Center Nursing home, Mitchell, SD, CCN 435109

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
17752SDMDInternal Medicine Physician
0656SDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Rural Health Care, Inc CurrentSince Oct 27, 2025 Accepting new patients
Avera Queen of Peace Internal Medicine CurrentSince Oct 27, 2025 Accepting new patients
Rural Health Care, Inc Internal Medicine CurrentSince Oct 27, 2025 Accepting new patients
Avera Queen of Peace Current Accepting new patients
Rural Health Care, Inc. Current Accepting new patients
Avera Queen of Peace CurrentSince Oct 27, 2025 Accepting new patients
Avera Queen of Peace Past Accepting new patients

Locations

1900 Grassland Dr
Mitchell, SD 57301
Phone (605) 655-1220

1900 Grassland Dr
Ste 103
Mitchell, SD 57301
Phone (605) 995-4900

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

Organizations & group practices 7

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.

Hospital & facility affiliations 25

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

View all 25

NPI Registry JSON

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

{
    "created_epoch": "1648339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1194475681",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44663 262ND ST",
            "city": "CANISTOTA",
            "state": "SD",
            "postal_code": "570126424",
            "telephone_number": "605-421-9841"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1900 GRASSLAND DR",
            "city": "MITCHELL",
            "state": "SD",
            "postal_code": "573016335",
            "telephone_number": "605-995-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LUDENS",
        "first_name": "MARIA",
        "middle_name": "A",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-03-27",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SD",
            "license": "17752",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mitchell, SD

Sources for this page

Verify at the official NPI Registry.