NPIMap

Individual provider Active NPI

Robert Leimbach, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Wausau, WI
National Provider Identifier
1083033443
Registry record updated Aug 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
84925-20 Issued in WI
Practice address
333 Pine Ridge Blvd
Wausau, WI 54401-4102
Phone
(715) 847-2000
Fax
(715) 843-1343
NPI assigned
Apr 14, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 01076169A IN
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 84925-20 WI Primary

Addresses

Primary practice location

333 Pine Ridge Blvd
Wausau, WI 54401-4102

Mailing address

333 Pine Ridge Blvd
Wausau, WI 54401-4187
Phone (715) 847-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250815001718 WI Practitioner - EndocrinologyPractitioner - Internal Medicine 4981900149 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
EndocrinologyAlso: Internal Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Aspirus Medical Group, Inc.Group PAC ID 1052223625, 272 clinicians

Practice addresses (Care Compare)

425 Pine Ridge Blvd
Suite 220a
Wausau, WI 54401-4123
Phone (715) 847-2070

Hospital & facility affiliations

  • Aspirus Wausau Hospital Hospital, Wausau, WI, CCN 520030
  • Aspirus Rhinelander Hospital Hospital, Rhinelander, WI, CCN 520019
  • Howard Young Medical Center Hospital, Woodruff, WI, CCN 520091
  • Aspirus Ironwood Hospital Hospital, Ironwood, MI, CCN 231333
  • Aspirus Stevens Point Hospital & Clinics, Inc. Hospital, Stevens Point, WI, CCN 520002

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
01076169AINMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aspirus Medical Group, Inc. CurrentSince Aug 1, 2025 Accepting new patients
Aspirus Medical Group, Inc. CurrentSince Aug 1, 2025 Accepting new patients

Locations

29980 Network Pl
Chicago, IL 60673

143 S Gibson St
Medford, WI 54451
Phone (715) 748-2121

425 Pine Ridge Blvd
Ste 220A
Wausau, WI 54401
Phone (715) 847-2070

2720 Plaza Dr
Ste 1400A
Wausau, WI 54401
Phone (715) 847-0426

333 Pine Ridge Blvd
Wausau, WI 54401
Phone (715) 847-2160

Interoperability endpoints

  • Direct secure messaging: rleimbach379492@direct.aspirus.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 37

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 37

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1397433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1083033443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 PINE RIDGE BLVD",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544014187",
            "telephone_number": "715-847-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 PINE RIDGE BLVD",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544014102",
            "telephone_number": "715-847-2000",
            "fax_number": "715-843-1343"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEIMBACH",
        "first_name": "ROBERT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-04-14",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "IN",
            "license": "01076169A",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "WI",
            "license": "84925-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wausau, WI

Sources for this page

Verify at the official NPI Registry.