Individual provider Active NPI

David Staff, M.D.

  • Gastroenterology Physician
  • Milwaukee, WI
National Provider Identifier
1386619427
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
33572-20 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
Feb 22, 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 33572-20 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
32013000MedicaidWI

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
I20090325000478 WI Practitioner - Gastroenterology 6709965288 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Medical College of Wisconsin, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Gi Associates LLCGroup PAC ID 6103738562, 55 clinicians
Gastroenterology Specialists SCGroup PAC ID 3375626195, 29 clinicians

Practice addresses (Care Compare)

725 American Ave
Waukesha, WI 53188-5031
Phone (262) 928-1000

N16W24131 Riverwood Dr
FL 2
Waukesha, WI 53188-1106
Phone (414) 454-0600

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy228
Upper gastrointestinal (GI) endoscopy for acid reflux153

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Gi Associates LLC Gastroenterology CurrentSince Jun 1, 2015 Accepting new patients
Gastroenterology Specialists SC Gastroenterology CurrentSince Jun 1, 2015 Accepting new patients
Prohealth Medical Group Inc Past Accepting new patients

Locations

17000 W North Ave
Ste 105E
Brookfield, WI 53005
Phone (262) 786-6420

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

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

240 Maple Ave
Ste 2220
Mukwonago, WI 53149

240 Maple Ave
Ste 2200
Mukwonago, WI 53149

1185 Corporate Center Dr
Ste 120
Oconomowoc, WI 53066
Phone (262) 289-1024

791 Summit Ave
Summit, WI 53066
Phone (262) 569-0251

1185 Corporate Center Dr
Ste 125
Summit, WI 53066
Phone (262) 567-3600

1111 Delafield St
Ste 212
Waukesha, WI 53188
Phone (262) 544-8622

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

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

N16W24131 Riverwood Dr
Fl 2
Waukesha, WI 53188

725 American Ave
Waukesha, WI 53188
Phone (262) 544-2011

9000 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 266-2625

1033 N Mayfair Rd
Ste 101
Wauwatosa, WI 53226

1033 N Mayfair Rd
Ste 104
Wauwatosa, WI 53226

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

Interoperability endpoints

  • Direct secure messaging: dstaff9655@direct.phci.org

Organizations & group practices 3

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 3

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": "1140566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1386619427",
    "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": "STAFF",
        "first_name": "DAVID",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-22",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WI",
            "license": "33572-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32013000",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.