Robert J Grass, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

43234 Issued in WI

Practice address

420 E Division St
Fond Du Lac, WI 54935-4560

Phone

(920) 926-8615

NPI assigned

Nov 3, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 2

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in WI

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

Specialty

Internal MedicineAlso: Pediatric Medicine

Education

Medical College of Wisconsin, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Agnesian Healthcare IncGroup PAC ID 1658289624, 392 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health at Home Hospice Hospice, Fond Du Lac, WI, CCN 521512
• SSM Health St Agnes Hospital-Fond Du Lac Hospital, Fond Du Lac, WI, CCN 520088

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Agnesian Healthcare, Inc

  • General Acute Care Hospital
  • Fond Du Lac, WI
  • NPI 1346228541
  Medicare reassignment Care Compare group NPD
• Agnesian Healthcare Inc

  • Community/Retail Pharmacy
  • Waupun, WI
  • NPI 1366417917
  NPD
• Agnesian Healthcare Inc

  • Family Medicine Physician
  • Fond Du Lac, WI
  • NPI 1730162991

  Internal Medicine

  NPD

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

• Agnesian Healthcare, Inc

  • General Acute Care Hospital
  • Fond Du Lac, WI
  • NPI 1346228541
  Care Compare affiliation
• Agnesian Healthcare, Inc

  • Community Based Hospice Care Agency
  • Fond Du Lac, WI
  • NPI 1942274717
  Care Compare affiliation

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

{
    "created_epoch": "1130976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1729209600000",
    "number": "1689665093",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "420 E DIVISION ST",
            "city": "FOND DU LAC",
            "state": "WI",
            "postal_code": "549354560",
            "telephone_number": "920-926-8340",
            "fax_number": "920-926-8370"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "420 E DIVISION ST",
            "city": "FOND DU LAC",
            "state": "WI",
            "postal_code": "549354560",
            "telephone_number": "920-926-8615"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRASS",
        "first_name": "ROBERT",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-03",
        "last_updated": "2024-10-18",
        "certification_date": "2024-10-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Adolescent Medicine",
            "state": "WI",
            "license": "43234",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "43234",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "43234",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "110221540",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34090300",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rgrass332093@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "rgrass332093@direct-ehr-ssmhc.com",
            "address_1": "420 E Division St",
            "city": "Fond Du Lac",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549354560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "420 E Division St",
            "city": "Fond Du Lac",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549354560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Michael J Grahl, M.D.
• Shaunie Elizabeth Grams, LCSW
• Grancare Inc
• Eleanor R Grant
• Brenda J Grass, MD
• Mary Gravelle
• Jessica Gray, PTA
• Kelsey A Gregory, APNP
• Carmen Greicar
• Pamela Gremminger

• Internal Medicine Physician in Fond Du Lac, WI
• Providers in Fond Du Lac, WI by specialty
• Internal Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 18, 2024; 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.