Individual provider Active NPI

Mark Riedy, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Green Bay, WI
National Provider Identifier
1780681445
Registry record updated Feb 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
54662 Issued in WI
Practice address
2845 Greenbrier Rd
Suite 210
Green Bay, WI 54311-6519
Phone
(920) 288-8100
NPI assigned
Jul 7, 2005
Last updated
Feb 5, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 5, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 54662 WI Primary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 22748 SC

Addresses

Primary practice location

2845 Greenbrier Rd
Suite 210
Green Bay, WI 54311-6519

Mailing address

2845 Greenbrier Rd
Suite 210
Green Bay, WI 54311-6519
Phone (920) 288-8100

Other identifiers 9

IdentifierTypeStateIssuer
100017364MedicaidWI
8902914MedicaidNC
GP3912OtherSCMEDICAID GROUP
02914OtherNCBCBS
GP1062MedicaidSC
GP4306OtherSCMEDICAID GROUP
227481MedicaidSC
CM7718OtherRAILROAD MEDICARE
H503647762OtherSCH503647762

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address mriedy68185@direct.myadvocateaurora.org Direct

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
I20111012000769 WI Practitioner - Critical Care (Intensivists)Practitioner - Pulmonary DiseasePractitioner - Internal Medicine 7012928773 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Internal Medicine
Education
University of South Carolina School of Medicine, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baycare Aurora LLCGroup PAC ID 0244130557, 197 clinicians

Practice addresses (Care Compare)

2253 W Mason St
Green Bay, WI 54303-4706
Phone (920) 327-7246

2845 Greenbrier Rd
Green Bay, WI 54311-6519
Phone (920) 288-8000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Baycare Aurora, LLC Critical Care Medicine CurrentSince May 1, 2013 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Oct 20, 2011 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Oct 20, 2011 Accepting new patients
Mercy Health System Corporation CurrentSince Dec 31, 2022 Accepting new patients
Mercy Health System Corporation CurrentSince Dec 31, 2022 Accepting new patients

Locations

29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652

2253 W Mason St
Green Bay, WI 54303
Phone (920) 327-7000

2845 Greenbrier Rd
#1
Green Bay, WI 54311
Phone (920) 288-8100

2845 Greenbrier Rd
Ste 210
Green Bay, WI 54311
Phone (920) 288-8100

1000 Mineral Point Ave
Janesville, WI 53548
Phone (608) 261-6868

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

2700 W 9th Ave
Oshkosh, WI 54904
Phone (920) 223-0220

Interoperability endpoints

  • Direct secure messaging: mriedy68185@direct.myadvocateaurora.org

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1120694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770249600000",
    "number": "1780681445",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2845 GREENBRIER RD",
            "address_2": "SUITE 210",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543116519",
            "telephone_number": "920-288-8100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2845 GREENBRIER RD",
            "address_2": "SUITE 210",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543116519",
            "telephone_number": "920-288-8100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RIEDY",
        "first_name": "MARK",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-07",
        "last_updated": "2026-02-05",
        "certification_date": "2026-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "WI",
            "license": "54662",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "SC",
            "license": "22748",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100017364",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8902914",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID GROUP",
            "identifier": "GP3912",
            "state": "SC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "02914",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GP1062",
            "state": "SC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID GROUP",
            "identifier": "GP4306",
            "state": "SC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "227481",
            "state": "SC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "CM7718",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "H503647762",
            "identifier": "H503647762",
            "state": "SC"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2845 Greenbrier Rd",
            "address_2": "Suite 210",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mriedy68185@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2845 Greenbrier Rd",
            "address_2": "Suite 210",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "543116519",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

Verify at the official NPI Registry.