NPIMap

Individual provider Active NPI

Steven A Hadlock, CRNA

  • Certified Registered Nurse Anesthetist
  • Marshfield, WI
National Provider Identifier
1497842157
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
130052 Issued in WI
Practice address
1000 N Oak Ave
Marshfield, WI 54449
Phone
(715) 387-5511
NPI assigned
Oct 6, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 130052 WI Primary

Addresses

Primary practice location

1000 N Oak Ave
Marshfield, WI 54449

Mailing address

1000 N Oak Ave
Marshfield, WI 54449-5777

Other identifiers 1

IdentifierTypeStateIssuer
44334800MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050131000092 WI Practitioner - Certified Registered Nurse Anesthetist (Crna) 8325098056 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aspirus Medford Hospital and Clinics IncGroup PAC ID 5799688602, shared by 9 NPIs, 126 clinicians

Practice addresses (Care Compare)

135 S Gibson St
Medford, WI 54451-1622
Phone (715) 748-8100

143 S Gibson St
Medford, WI 54451-1622
Phone (715) 748-8100

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
97.16
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
MCHS Hospitals Inc CurrentSince Mar 1, 2018 Accepting new patients
Aspirus Riverview Hospital & Clinics, Inc. CurrentSince Sep 18, 2023 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Marshfield Clinic Inc CurrentSince Feb 21, 2011 Accepting new patients
Aspirus Medford Hospital & Clinics, Inc. Current Accepting new patients
Aspirus Stevens Point Hospital & Clinics, Inc. CurrentSince Oct 1, 2023 Accepting new patients
Aspirus Stanley Hospital & Clinics, Inc CurrentSince Jan 1, 2026 Accepting new patients
Aspirus Medford Hospital & Clinics, Inc. CurrentSince Jan 30, 2019 Accepting new patients
Midwest Alliance Services LLC Nurse Anesthetist, Certified Registered CurrentSince May 14, 2019 Accepting new patients
Aspirus Stevens Point Hospital & Clinics, Inc. CurrentSince Oct 1, 2023 Accepting new patients
Aspirus Medford Hospital & Clinics, Inc. Current Accepting new patients
Aspirus Riverview Hospital & Clinics, Inc. CurrentSince Sep 18, 2023 Accepting new patients
Aspirus Medford Hospital & Clinics, Inc. CurrentSince Jan 30, 2019 Accepting new patients
Aspirus Stanley Hospital & Clinics, Inc. Nurse Anesthetist, Certified Registered CurrentSince Jan 1, 2026 Accepting new patients
Aspirus Riverview Hospital & Clinics, Inc. Current Accepting new patients
MCHS Hospitals Inc CurrentSince Mar 1, 2018 Accepting new patients

Locations

29980 Network Pl
Chicago, IL 60673

1000 Starr Ave
Eau Claire, WI 54703
Phone (715) 858-4850

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

2116 Craig Rd
Eau Claire, WI 54701
Phone (715) 858-4500

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

135 S Gibson St
Medford, WI 54451
Phone (715) 748-8100

1001 W Glen Oaks Ln
Ste 105
Mequon, WI 53092
Phone (414) 258-8314

1020 Lakeshore Dr
Rice Lake, WI 54868
Phone (715) 236-8100

1120 Pine St
Stanley, WI 54768
Phone (715) 644-5530

900 Illinois Ave
Stevens Point, WI 54481
Phone (715) 342-7500

800 N 1st St
Wausau, WI 54403
Phone (715) 261-8500

2727 Plaza Dr
Wausau, WI 54401
Phone (715) 847-3000

420 Dewey St
Wisconsin Rapids, WI 54494
Phone (715) 421-7474

Organizations & group practices 16

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.

View all 16

Hospital & facility affiliations 8

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": "1160092800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1497842157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "54449",
            "telephone_number": "715-387-5511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HADLOCK",
        "first_name": "STEVEN",
        "middle_name": "A",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-06",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "WI",
            "license": "130052",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "44334800",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.