NPIMap

Individual provider Active NPI

Isaac Chris Boyack, M.D.

  • Diagnostic Radiology Physician
  • Marshfield, WI
National Provider Identifier
1942663414
Registry record updated Jan 26, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
80087 Issued in WI
Practice address
1000 N Oak Ave
Marshfield, WI 54449-5703
Phone
(715) 387-5511
NPI assigned
Apr 1, 2016
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 26, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2085R0202X 301190 NY
Diagnostic Radiology Physician 2085R0202X 80087 WI Primary

Addresses

Primary practice location

1000 N Oak Ave
Marshfield, WI 54449-5703

Mailing address

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address him@marshfieldclinichealthsystem.cernerdirect.com

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
I20220726001709 WI Practitioner - Diagnostic Radiology 6800278698 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Marshfield Clinic IncGroup PAC ID 2264345206, 207 clinicians
MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

1205 O Day St
Merrill, WI 54452-3416
Phone (715) 539-0101

1207 O Day St
Merrill, WI 54452-3416
Phone (715) 539-9990

12961 27TH Ave
Chippewa Falls, WI 54729-5699
Phone (715) 738-3700

220 24TH St S
Wisconsin Rapids, WI 54494-1908
Phone (715) 751-6200

2655 County Hwy I
Chippewa Falls, WI 54729-1423
Phone (715) 726-4200

2727 Plaza Dr
Wausau, WI 54401-4129
Phone (715) 847-3000

3400 Ministry Pkwy
Weston, WI 54476-5220
Phone (715) 393-3000

3501 Golf Rd
Eau Claire, WI 54701-8028
Phone (715) 858-4200

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.6 of 100Reported as group
Quality
62.55
Promoting interoperability
100
Improvement activities
40
Cost
76.03

Merit-based Incentive Payment System (MIPS)

Final score
80.58 of 100Reported as group
Quality
55.5
Promoting interoperability
100
Improvement activities
40
Cost
71.46

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
301190NYMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Beaver Dam Community Hospitals Inc Multi-Specialty CurrentSince Jul 25, 2022 Accepting new patients
Flambeau Hospital Inc Multi-Specialty CurrentSince Jul 25, 2022 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Jul 25, 2022 Accepting new patients
Marshfield Clinic Inc Multi-Specialty CurrentSince Jul 25, 2022 Accepting new patients
Lakeview Medical Center Inc of Rice Lake Multi-Specialty CurrentSince Jul 25, 2022 Accepting new patients
MCHS Hospitals Inc Multi-Specialty CurrentSince Jul 25, 2022 Accepting new patients
MCHS Hospitals Inc CurrentSince Jul 25, 2022 Accepting new patients
MCHS Hospitals Inc Multi-Specialty Current Accepting new patients
Memorial Hospital Inc CurrentSince Jul 25, 2022 Accepting new patients
Memorial Hospital Inc Multi-Specialty CurrentSince Jul 25, 2022 Accepting new patients
Flambeau Hospital Inc Multi-Specialty CurrentSince Jul 25, 2022 Accepting new patients

Locations

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

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

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

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

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

Interoperability endpoints

  • Direct secure messaging: isaac.boyack@marshfieldclinichealthsystem.cernerdirect.com
  • Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com

Organizations & group practices 11

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 5

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": "1459468800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1674691200000",
    "number": "1942663414",
    "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": "544495703",
            "telephone_number": "715-387-5511"
        },
        {
            "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": "544495703",
            "telephone_number": "715-387-5511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BOYACK",
        "first_name": "ISAAC",
        "middle_name": "CHRIS",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-04-01",
        "last_updated": "2023-01-26",
        "certification_date": "2023-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "301190",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WI",
            "license": "80087",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "1000 N Oak Ave",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

Verify at the official NPI Registry.