Individual provider Active NPI

Nalini M Guda, MD

  • Gastroenterology Physician
  • Milwaukee, WI
National Provider Identifier
1750358420
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
40326-20 Issued in WI
Practice address
2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689
Phone
(414) 908-6500
Fax
(414) 908-6510
NPI assigned
Mar 2, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 40326-20 WI Primary

Addresses

Primary practice location

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

Mailing address

2801 W Kinnickinnic River Pkwy Ste 1080
Milwaukee, WI 53215-3689
Phone (414) 908-6506

Other identifiers 1

IdentifierTypeStateIssuer
32573800MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address nguda23790@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20041117001100 WI Practitioner - GastroenterologyPractitioner - Internal Medicine 2264496314 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 1992
Medicare assignment
May accept Medicare assignment
Group practices
Gastroenterology Consultants LTDGroup PAC ID 5092890079, 4 clinicians
Gi Associates LLCGroup PAC ID 6103738562, 55 clinicians

Practice addresses (Care Compare)

2801 W Kinnickinnic River Pkwy
Suite 1080
Milwaukee, WI 53215-3689
Phone (414) 908-6500

Hospital & facility affiliations

  • Aurora St Lukes Medical Center Hospital, Milwaukee, WI, CCN 520138
  • West Allis Memorial Hospital Hospital, West Allis, WI, CCN 520139
  • Aurora Lakeland Medical Center Hospital, Elkhorn, WI, CCN 520102

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy132
Upper gastrointestinal (GI) endoscopy for acid reflux167

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
40326-20WIMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Center for Digestive Health LTD Current Accepting new patients
Gastroenterology Consultants, LTD Gastroenterology CurrentSince Aug 30, 2017 Accepting new patients
Gastroenterology Specialists SC Gastroenterology CurrentSince Sep 8, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Jan 1, 2021 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Jan 1, 2021 Accepting new patients
Gi Associates LLC Gastroenterology CurrentSince Oct 1, 2004 Accepting new patients
Gi Specialists LLC Current Accepting new patients
Ascension Medical Group-Southeast Wisconsin Inc CurrentSince Jan 29, 2019 Accepting new patients

Locations

19333 W North Ave
Brookfield, WI 53045
Phone (262) 785-2000

13950 W Capitol Dr
Brookfield, WI 53005
Phone (414) 302-5400

3111 W Rawson Ave
Ste 240
Franklin, WI 53132
Phone (414) 908-6620

2801 W KK Pkwy
Ste 1030
Milwaukee, WI 53215

2801 W Kinnickinnic River Pkwy
Ste 1030
Milwaukee, WI 53215
Phone (414) 649-5200

2801 W Kinnickinnic River Pkwy
Ste 1080
Milwaukee, WI 53215
Phone (414) 908-6506

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

3033 S 27th St
Ste 202
Milwaukee, WI 53215

2801 W KK Pkwy
#1030
Milwaukee, WI 53215

3811 Spring St
Ste 202
Mount Pleasant, WI 53405
Phone (262) 687-7356

1111 Delafield St
Ste 321
Waukesha, WI 53188
Phone (262) 446-0955

1111 Delafield St
Ste 322
Waukesha, WI 53188
Phone (262) 650-7322

201 N Mayfair Rd
Fl 2
Wauwatosa, WI 53226
Phone (414) 771-8228

2424 S 90th St
Ste 410
West Allis, WI 53227
Phone (414) 328-8050

Organizations & group practices 8

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 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": "1141257600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1750358420",
    "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": "414-908-6500",
            "fax_number": "414-908-6510"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUDA",
        "first_name": "NALINI",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-02",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WI",
            "license": "40326-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32573800",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nguda23790@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2801 W Kinnickinnic River Pkwy Ste 1080",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532153689",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2801 W Kinnickinnic River Pkwy Ste 1080",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532153689",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.