Nathan R Tiwari, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

6871697 Issued in ID

Practice address

1601 Golf Course Rd
Grand Rapids, MN 55744-8648

Phone

(218) 326-3401

NPI assigned

Sep 30, 2010

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IA, ID2 enrollments

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 2

Specialty

Family Practice

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Keokuk County Health CenterGroup PAC ID 0244138774, 23 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Keokuk County Health Center Hospital, Sigourney, IA, CCN 161315
• Keokuk County Health Center Nursing home, CCN 16Z315

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nathan.tiwari@madisonhealth.cernerdirect.com

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.

• Keokuk County Health Center

  • Critical Access Hospital
  • Sigourney, IA
  • NPI 1376611103
  Medicare reassignment Care Compare group NPD
• Alegent Health - Mercy Hospital, Corning Iowa

  • Family Medicine Physician
  • Corning, IA
  • NPI 1821134826
  Medicare reassignment NPD
• Dirne Health Centers, Inc.

  • Federally Qualified Health Center (FQHC)
  • Coeur D Alene, ID
  • NPI 1285686477
  Medicare reassignment
• Alegent Health - Mercy Hospital, Corning, Iowa

  • Medicare Defined Swing Bed Hospital Unit
  • Corning, IA
  • NPI 1134204613
  NPD
• Alegent Health Mercy Hospital Corning, Iowa

  • Emergency Medicine Physician
  • Corning, IA
  • NPI 1649334574
  NPD
• Dirne Health Centers Inc

  • Federally Qualified Health Center (FQHC)
  • St Maries, ID
  • NPI 1568910156
  NPD
• Dirne Health Centers, Inc.

  • Federally Qualified Health Center (FQHC)
  • Coeur D Alene, ID
  • NPI 1194397240

  Family Medicine

  NPD
• Keokuk County Health Center

  • Rural Health Clinic/Center
  • Hedrick, IA
  • NPI 1588492862
  NPD

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

• Keokuk County Health Center

  • Critical Access Hospital
  • Sigourney, IA
  • NPI 1376611103
  Care Compare affiliation
• Keokuk County Health Center

  • Critical Access Hospital
  • Sigourney, IA
  • NPI 1417138033

  Nursing home

  Care Compare affiliation

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

{
    "created_epoch": "1285804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772064000000",
    "number": "1609185263",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1387",
            "city": "HAYDEN",
            "state": "ID",
            "postal_code": "838351387",
            "telephone_number": "208-520-6250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 GOLF COURSE RD",
            "city": "GRAND RAPIDS",
            "state": "MN",
            "postal_code": "557448648",
            "telephone_number": "218-326-3401"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "16760 N Highway 41",
            "address_purpose": "LOCATION",
            "city": "Rathdrum",
            "state": "ID",
            "postal_code": "838588715",
            "country_code": "US",
            "telephone_number": "208-620-5250",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIWARI",
        "first_name": "NATHAN",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-09-30",
        "last_updated": "2026-02-26",
        "certification_date": "2026-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IA",
            "license": "MD-44379",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MN",
            "license": "PERMIT22870",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ID",
            "license": "6871697",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "MN",
            "license": "PERMIT22870",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nathan.tiwari@madisonhealth.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Madison County Health Care System",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "300 W Hutchings St",
            "city": "Winterset",
            "state": "IA",
            "country_code": "US",
            "postal_code": "502732109",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Kelli Thompson
• Nicholas Thompson, MS
• Thrifty Drug Stores Inc
• Thrifty Drug Stores, Inc.
• Charlene Rae Thurston, RN
• Anne Eileen Tofte, MD
• Toonstra Psychological Services, PC
• Jeffrey M. Toonstra, MS, LP
• Elly Trepman, MD
• Laurie Beth Troumbly, MS, LPCC

• Family Medicine Physician in Grand Rapids, MN
• Providers in Grand Rapids, MN by specialty
• Family Medicine Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.