Individual provider Active NPI

Nathan J Timmer, MD

  • Family Medicine Physician
  • Mitchell, SD
National Provider Identifier
1972890911
Registry record updated Jul 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
9264 Issued in SD
Practice address
402 E Norway Ave
Mitchell, SD 57301-4790
Phone
(605) 990-5005
Fax
(605) 990-5006
NPI assigned
Jun 28, 2011
Last updated
Jul 8, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 9264 SD Primary

Addresses

Primary practice location

402 E Norway Ave
Mitchell, SD 57301-4790

Mailing address

402 E Norway Ave
Mitchell, SD 57301-4790
Phone (605) 990-5005

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
I20140915002700 SD Practitioner - Family Practice 0648499129 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Avera Queen of PeaceGroup PAC ID 9335050806, shared by 12 NPIs, 122 clinicians

Practice addresses (Care Compare)

1900 Grassland Dr
Mitchell, SD 57301-6335
Phone (605) 995-7000

402 E Norway Ave
Mitchell, SD 57301-4790
Phone (605) 990-5005

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10
Removal or shaving of skin growth1-10
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Avera Queen of Peace Current Accepting new patients
Complete Wellness Clinic, Inc. Family Medicine CurrentSince Jun 7, 2025 Accepting new patients
Avera Queen of Peace CurrentSince Aug 1, 2014 Accepting new patients
Avera Queen of Peace CurrentSince Aug 1, 2014 Accepting new patients
Rural Health Care, Inc. Current Accepting new patients
Rural Health Care, Inc CurrentSince Nov 1, 2019 Accepting new patients
Rural Health Care, Inc CurrentSince Nov 1, 2019 Accepting new patients
Avera Queen of Peace Current Accepting new patients
Firesteel SNF Operations, LLC 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

402 E Norway Ave
Mitchell, SD 57301
Phone (605) 990-5005

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

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/BCIHDD/Endpoint/BCIHDD

Organizations & group practices 9

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 5

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": "1309219200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751932800000",
    "number": "1972890911",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "402 E NORWAY AVE",
            "city": "MITCHELL",
            "state": "SD",
            "postal_code": "573014790",
            "telephone_number": "605-990-5005",
            "fax_number": "605-990-5006"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "402 E NORWAY AVE",
            "city": "MITCHELL",
            "state": "SD",
            "postal_code": "573014790",
            "telephone_number": "605-990-5005",
            "fax_number": "605-990-5006"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TIMMER",
        "first_name": "NATHAN",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-06-28",
        "last_updated": "2025-07-08",
        "certification_date": "2025-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "SD",
            "license": "9264",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mitchell, SD

Sources for this page

Verify at the official NPI Registry.