Individual provider Active NPI

Raina L Hollenbaugh, M.D.

  • Anesthesiology Physician
  • Oconomowoc, WI
National Provider Identifier
1437132248
Registry record updated Sep 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
30573-020 Issued in WI
Practice address
791 E Summit Ave
Oconomowoc, WI 53066-3844
Phone
(262) 569-9400
NPI assigned
Nov 25, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 30573-020 WI Primary

Addresses

Primary practice location

791 E Summit Ave
Oconomowoc, WI 53066-3844

Mailing address

791 Summit Ave
Oconomowoc, WI 53066-3844
Phone (262) 569-9400

Other practice location 1

3400 E Racine St
Janesville, WI 53546-2344
Phone (608) 373-8000

Other identifiers 1

IdentifierTypeStateIssuer
1437132248MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other Dean Health Systems, Inc
Direct Messaging Address rhollenbaugh558109@direct-ehr-ssmhc.com Direct Dean Health Systems, Inc

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, MT2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20060203000043 WI Practitioner - Anesthesiology 5597779181 Reassigns benefits to 3 organizations
I20190326001215 MT Practitioner - Anesthesiology 5597779181 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Washington School of Medicine, 1988
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Health System CorporationGroup PAC ID 7416860440, 749 clinicians
Dean Health Systems IncGroup PAC ID 7012827983, 1,174 clinicians
The Monroe Clinic, Inc.Group PAC ID 3072425495, 199 clinicians

Practice addresses (Care Compare)

1000 Mineral Point Ave
Janesville, WI 53548-2940
Phone (608) 756-6000

3400 E Racine St
Janesville, WI 53546-2344
Phone (608) 373-8000

515 22ND Ave
Monroe, WI 53566-1569
Phone (608) 324-2000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
30573-020WIMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dean Health Systems, Inc Anesthesiology CurrentSince Sep 8, 2025 Accepting new patients
Dean Health Systems, Inc. CurrentSince Sep 8, 2025 Accepting new patients
St Peter'S Health Current Accepting new patients
St. Peter'S Health CurrentSince Jun 1, 2020 Accepting new patients
St Peters Hospital CurrentSince Jun 1, 2020 Accepting new patients
The Monroe Clinic, Inc. CurrentSince Dec 15, 2025 Accepting new patients
The Monroe Clinic, Inc. CurrentSince Dec 15, 2025 Accepting new patients
Raina L. Hollenbaugh, M.D., S.C. Anesthesiology PastSince Mar 14, 1997 Accepting new patients
Oaac, S.C. Anesthesiology Past Accepting new patients

Locations

1 Medical Park Dr
Helena, MT 59601
Phone (406) 443-1556

2475 E Broadway St
Helena, MT 59601
Phone (406) 442-2480

3400 E Racine St
Janesville, WI 53546
Phone (608) 373-8000

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

515 22nd Ave
Monroe, WI 53566
Phone (608) 324-1000

Interoperability endpoints

  • Direct secure messaging: rhollenbaugh558109@direct-ehr-ssmhc.com

Organizations & group practices 10

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": "1132876800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1437132248",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "791 SUMMIT AVE",
            "city": "OCONOMOWOC",
            "state": "WI",
            "postal_code": "530663844",
            "telephone_number": "262-569-9400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "791 E SUMMIT AVE",
            "city": "OCONOMOWOC",
            "state": "WI",
            "postal_code": "530663844",
            "telephone_number": "262-569-9400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3400 E Racine St",
            "address_purpose": "LOCATION",
            "city": "Janesville",
            "state": "WI",
            "postal_code": "535462344",
            "country_code": "US",
            "telephone_number": "608-373-8000",
            "fax_number": "608-373-8795",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLLENBAUGH",
        "first_name": "RAINA",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-11-25",
        "last_updated": "2025-09-12",
        "certification_date": "2025-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "30573-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1437132248",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Dean Health Systems, Inc",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "3400 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462344",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rhollenbaugh558109@direct-ehr-ssmhc.com",
            "affiliation": "Y",
            "affiliationName": "Dean Health Systems, Inc",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "rhollenbaugh558109@direct-ehr-ssmhc.com",
            "address_1": "3400 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462344",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oconomowoc, WI

Sources for this page

Verify at the official NPI Registry.