Nicole Marie Griglione, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

61094-20 Issued in WI

Practice address

2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689

Phone

(414) 908-6506

Fax

(414) 908-6510

NPI assigned

Jan 24, 2008

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

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

Gastroenterology

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Gastroenterology Specialists SCGroup PAC ID 3375626195, 29 clinicians

Gi Associates LLCGroup PAC ID 6103738562, 55 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Waukesha Memorial Hospital Hospital, Waukesha, WI, CCN 520008
• Oconomowoc Memorial Hospital Hospital, Oconomowoc, WI, CCN 520062
• Ascension SE Wisconsin Hospital Hospital, Milwaukee, WI, CCN 520136

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ngriglione49072@direct.phci.org

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.

• Gi Associates LLC

  • Gastroenterology Physician
  • Milwaukee, WI
  • NPI 1801863501
  Medicare reassignment Care Compare group NPD
• Gastroenterology Specialists SC

  • Gastroenterology Physician
  • Waukesha, WI
  • NPI 1558443549
  Medicare reassignment Care Compare group
• Gi Specialists LLC

  • Ambulatory Surgical Clinic/Center
  • Waukesha, WI
  • NPI 1679694004
  NPD

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

• Ascension SE Wisconsin Hospital, Inc

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1427007384
  Care Compare affiliation
• Ascension SE Wisconsin Hospital, Inc

  • Rehabilitation Hospital Unit
  • Brookfield, WI
  • NPI 1861417362
  Care Compare affiliation
• Prohealth Oconomowoc Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Oconomowoc, WI
  • NPI 1366420531
  Care Compare affiliation
• Prohealth Oconomowoc Memorial Hospital, Inc.

  • Community/Retail Pharmacy
  • Oconomowoc, WI
  • NPI 1497942205

  Hospital

  Care Compare affiliation
• Prohealth Waukesha Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Waukesha, WI
  • NPI 1629056890
  Care Compare affiliation

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

{
    "created_epoch": "1201132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1568649358",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2801 W KINNICKINNIC RIVER PKWY STE 1080",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532153689",
            "telephone_number": "414-908-6506",
            "fax_number": "414-908-6510"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2801 W KINNICKINNIC RIVER PKWY STE 1080",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532153689",
            "telephone_number": "414-908-6506",
            "fax_number": "414-908-6510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIGLIONE",
        "first_name": "NICOLE",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-01-24",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "002655",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WI",
            "license": "61094-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Corissa Lauralane Griffith, LCSW
• Mary Helen Griffith, LCSW
• Tatiana R Griffith, MD
• Hattie Griggs, MSW, APSW
• Tamiko Griggs
• Ann M Grimes, PA-C
• David M Grimm, LPC IN TRAINING
• Kellen Grimm, L. AC
• Nancy Grimm, PTA
• Aaron T Grimmer, O.T.

• Gastroenterology Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Gastroenterology Physician in Wisconsin

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