Individual provider Active NPI

Darren William Perttu, M.D.

  • Surgery Physician
  • Hayward, WI
National Provider Identifier
1073833174
Registry record updated Dec 7, 2015
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
64227-20 Issued in WI
Practice address
11134 N State Road 77
Essentia Health Hayward Clinic
Hayward, WI 54843-5325
Phone
(715) 634-5505
NPI assigned
Jun 11, 2010
Last updated
Dec 7, 2015By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 7, 2015

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 64227-20 WI Primary

Addresses

Primary practice location

11134 N State Road 77
Essentia Health Hayward Clinic
Hayward, WI 54843-5325

Mailing address

11134 N State Road 77
Essentia Health Hayward Clinic
Hayward, WI 54843-5325
Phone (715) 634-5505

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
I20150724010587 WI Practitioner - General Surgery 3375856974 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Michigan State University College of Human Medicine, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Vernon Memorial Healthcare IncGroup PAC ID 8325958416, shared by 6 NPIs, 73 clinicians
Grant Regional Health Center IncGroup PAC ID 9638079445, 36 clinicians

Practice addresses (Care Compare)

407 S Main St
Viroqua, WI 54665-4000
Phone (608) 637-3174

507 S Main St
Viroqua, WI 54665-2059
Phone (608) 637-2101

507 S Monroe St
Lancaster, WI 53813-2054
Phone (608) 723-2131

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
St Luke's Methodist Hospital Current Accepting new patients
Vernon Memorial Healthcare, Inc CurrentSince Oct 1, 2025 Accepting new patients
Vernon Memorial Healthcare, Inc. Current Accepting new patients
Grant Regional Health Center, Inc. Current Accepting new patients
Vernon Memorial Healthcare, Inc. Current Accepting new patients
Vernon Memorial Healthcare, Inc. CurrentSince Oct 1, 2025 Accepting new patients
Vernon Memorial Healthcare, Inc. Current Accepting new patients
Grant Regional Health Center, Inc Past Accepting new patients

Locations

206 N Mill St
La Farge, WI 54639
Phone (608) 625-2494

507 S Monroe St
Lancaster, WI 53813
Phone (608) 723-2131

102 Sunset Ave
Soldiers Grove, WI 54655
Phone (608) 624-5203

407 S Main St
Ste 400
Viroqua, WI 54665
Phone (608) 637-3174

507 S Main St
Viroqua, WI 54665
Phone (608) 637-2101

100 Melby St
Westby, WI 54667
Phone (608) 634-3125

Interoperability endpoints

  • Direct secure messaging: dperttu847531@direct.unitypoint.org

Organizations & group practices 8

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 2

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": "1276214400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1449446400000",
    "number": "1073833174",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11134 N STATE ROAD 77",
            "address_2": "ESSENTIA HEALTH HAYWARD CLINIC",
            "city": "HAYWARD",
            "state": "WI",
            "postal_code": "548435325",
            "telephone_number": "715-634-5505"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11134 N STATE ROAD 77",
            "address_2": "ESSENTIA HEALTH HAYWARD CLINIC",
            "city": "HAYWARD",
            "state": "WI",
            "postal_code": "548435325",
            "telephone_number": "715-634-5505"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PERTTU",
        "first_name": "DARREN",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-06-11",
        "last_updated": "2015-12-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WI",
            "license": "64227-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hayward, WI

Sources for this page

Verify at the official NPI Registry.