Individual provider Active NPI

Christopher M. Tanner, MD

  • Emergency Medicine Physician
  • Lake Geneva, WI
National Provider Identifier
1619394723
Registry record updated Jul 21, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
67231-20 Issued in WI
Practice address
N2950 State Road 67
Lake Geneva, WI 53147-2655
Phone
(262) 245-4990
Fax
(262) 245-2248
NPI assigned
Mar 26, 2014
Last updated
Jul 21, 2022By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 21, 2022

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Emergency Medicine Physician 207P00000X 036-141738 IL
Emergency Medicine Physician 207P00000X 67231-20 WI Primary

Addresses

Primary practice location

N2950 State Road 67
Lake Geneva, WI 53147-2655

Mailing address

N2950 State Road 67
Lake Geneva, WI 53147-2655
Phone (262) 245-4990

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, ND, IL3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20170811002368 WI Practitioner - Emergency Medicine 5395045850 Reassigns benefits to 5 organizations
I20230207003261 ND Practitioner - Emergency Medicine 5395045850 Reassigns benefits to 1 organization
I20260304002901 IL Practitioner - Emergency Medicine 5395045850 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Rush Medical College of Rush University, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Health System CorporationGroup PAC ID 7416860440, shared by 14 NPIs, 749 clinicians

Practice addresses (Care Compare)

901 Grant St
Harvard, IL 60033-1821
Phone (815) 943-5431

N2950 State Rd
Suite 67
Lake Geneva, WI 53147-2655
Phone (262) 245-0535

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-141738ILMDEmergency Medicine Physician
67231-20WIMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rockford Health Physicians CurrentSince Jan 17, 2026 Accepting new patients
Altru Health System Current Accepting new patients
St Luke's Methodist Hospital Current Accepting new patients
Mercy Health System Corporation Current Accepting new patients
Altru Health System CurrentSince Jan 18, 2023 Accepting new patients
Lafayette County CurrentSince May 1, 2024 Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Jan 17, 2026 Accepting new patients
Altru Health System CurrentSince Jan 18, 2023 Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Jan 17, 2026 Accepting new patients
Lafayette County CurrentSince May 1, 2024 Accepting new patients
Mercy Health System Corporation CurrentSince Jul 5, 2017 Accepting new patients
Lafayette County Current Accepting new patients
Mercy Health System Corporation CurrentSince Jul 5, 2017 Accepting new patients

Locations

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

875 S State Route 31
Crystal Lake, IL 60014
Phone (779) 220-5500

901 Grant St
Harvard, IL 60033
Phone (815) 943-2961

8201 E Riverside Blvd
Rockford, IL 61114
Phone (815) 971-4066

1200 S Columbia Rd
Grand Forks, ND 58201
Phone (701) 780-5243

1380 S Columbia Rd
Grand Forks, ND 58201
Phone (701) 795-2000

2401 Demers Ave
Grand Forks, ND 58201
Phone (701) 780-1891

211 Bev Anderson Dr
Darlington, WI 53530
Phone (608) 776-4466

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

N2950 State Road 67
Lake Geneva, WI 53147
Phone (262) 245-0535

Interoperability endpoints

  • Direct secure messaging: ctanner1068545@direct.unitypoint.org
  • Direct secure messaging: ctanner43681@direct.mhemail.org

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 4

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": "1395792000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1658361600000",
    "number": "1619394723",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "N2950 STATE ROAD 67",
            "city": "LAKE GENEVA",
            "state": "WI",
            "postal_code": "531472655",
            "telephone_number": "262-245-4990",
            "fax_number": "262-245-2248"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "N2950 STATE ROAD 67",
            "city": "LAKE GENEVA",
            "state": "WI",
            "postal_code": "531472655",
            "telephone_number": "262-245-4990",
            "fax_number": "262-245-2248"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TANNER",
        "first_name": "CHRISTOPHER",
        "middle_name": "M.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-03-26",
        "last_updated": "2022-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036-141738",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "67231-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Geneva, WI

Sources for this page

Verify at the official NPI Registry.