Individual provider Active NPI

Rebecca L Zimmermann, D.O.

  • Family Medicine Physician
  • Lake Geneva, WI
National Provider Identifier
1669788477
Registry record updated Sep 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
56641-21 Issued in WI
Practice address
146 E Geneva SQ
Lake Geneva, WI 53147
Phone
(262) 249-5000
Fax
(262) 248-7107
NPI assigned
Aug 31, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 56641-21 WI Primary

Addresses

Primary practice location

146 E Geneva SQ
Lake Geneva, WI 53147

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other practice location 1

2600 Kiley Way
Plymouth, WI 53073-5020
Phone (920) 449-7000

Other practice location 2

2600 Kiley Way
Plymouth, WI 53073-5020
Phone (920) 449-7000

Other identifiers 2

IdentifierTypeStateIssuer
56641-21OtherWIWISCONSIN STATE LICENSE
100023071MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address rzimmermann22916@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
I20120607000595 WI Practitioner - Family Practice 0345404109 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Midwestern University, Chicago College of Osteopathic Med, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

1020 N 12TH St
Milwaukee, WI 53233-1308
Phone (414) 219-3056

146 E Geneva SQ
Lake Geneva, WI 53147-9694
Phone (262) 249-5000

1550 Hobbs Dr
Delavan, WI 53115-2027
Phone (262) 740-4200

525 Kenosha St a
Walworth, WI 53184-9512
Phone (262) 275-2101

W3985 County Rd NN
Elkhorn, WI 53121-4337
Phone (262) 741-2000

Hospital & facility affiliations

  • Aurora at Home Home health agency, Milwaukee, WI, CCN 527001
  • Aurora at Home Hospice, Wauwatosa, WI, CCN 521528
  • Aurora Memorial Hospital Burlington Hospital, Burlington, WI, CCN 520059
  • Aurora Lakeland Medical Center Hospital, Elkhorn, WI, CCN 520102

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10
Removal of nail tissue1-10
Removal or shaving of skin growth12

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. Family Medicine Current Accepting new patients
Aurora Medical Group, Inc. CurrentSince Aug 30, 2013 Accepting new patients
Lakeshore Medical Clinic, LLC Family Medicine CurrentSince Apr 23, 2012 Accepting new patients
Lakeshore Medical Clinic LTD Family Medicine CurrentSince Apr 23, 2012 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Aug 30, 2013 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

146 E Geneva Sq
Lake Geneva, WI 53147
Phone (262) 249-4678

3301 W Forest Home Ave
Milwaukee, WI 53215
Phone (414) 389-2233

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

S74W16775 Janesville Rd
Muskego, WI 53150
Phone (414) 422-4747

2600 Kiley Way
Plymouth, WI 53073
Phone (920) 449-7000

2414 Kohler Memorial Dr
Sheboygan, WI 53081
Phone (920) 457-4461

2000 E Layton Ave
St Francis, WI 53235
Phone (414) 744-7880

Interoperability endpoints

  • Direct secure messaging: rzimmermann22916@direct.myadvocateaurora.org

Organizations & group practices 6

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 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": "1283212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757289600000",
    "number": "1669788477",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "146 E GENEVA SQ",
            "city": "LAKE GENEVA",
            "state": "WI",
            "postal_code": "53147",
            "telephone_number": "262-249-5000",
            "fax_number": "262-248-7107"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2600 Kiley Way",
            "address_purpose": "LOCATION",
            "city": "Plymouth",
            "state": "WI",
            "postal_code": "530735020",
            "country_code": "US",
            "telephone_number": "920-449-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2600 Kiley Way",
            "address_purpose": "LOCATION",
            "city": "Plymouth",
            "state": "WI",
            "postal_code": "530735020",
            "country_code": "US",
            "telephone_number": "920-449-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZIMMERMANN",
        "first_name": "REBECCA",
        "middle_name": "L",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-08-31",
        "last_updated": "2025-09-08",
        "certification_date": "2025-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "56641-21",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WISCONSIN STATE LICENSE",
            "identifier": "56641-21",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100023071",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rzimmermann22916@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "146 E Geneva Sq",
            "city": "Lake Geneva",
            "state": "WI",
            "country_code": "US",
            "postal_code": "53147",
            "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": "146 E Geneva Sq",
            "city": "Lake Geneva",
            "state": "WI",
            "country_code": "US",
            "postal_code": "53147",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Lake Geneva, WI

Sources for this page

Verify at the official NPI Registry.