Individual provider Active NPI

Ashley N Korchyk, PA-C

  • Physician Assistant
  • Marshfield, WI
National Provider Identifier
1649780701
Registry record updated Oct 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
7529 Issued in WI
Practice address
1000 N Oak Avenue
Marshfield, WI 54449-5444
Phone
(715) 387-5511
NPI assigned
Oct 3, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 27, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Physician Assistant 363AM0700X
Physician Assistant 363A00000X 7529 WI Primary

Addresses

Primary practice location

1000 N Oak Avenue
Marshfield, WI 54449-5444

Mailing address

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

Other practice location 1

8303 Dodge St Ste 300
Omaha, NE 68114-4199
Phone (402) 354-5250

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: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231030002483 WI Practitioner - Physician Assistant 3375800535 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, 1,195 clinicians

Practice addresses (Care Compare)

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

Hospital & facility affiliations

  • Compassus Home Health Home health agency, Marshfield, WI, CCN 527189
  • Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037
  • Marshfield Medical Center - Neillsville Hospital, Neillsville, WI, CCN 521323

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
Physician Assistant

State licenses

LicenseStateTypeSpecialty
7529WIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Beaver Dam Community Hospitals Inc CurrentSince Oct 23, 2023 Accepting new patients
Flambeau Hospital Inc CurrentSince Oct 23, 2023 Accepting new patients
Flambeau Hospital Inc CurrentSince Oct 23, 2023 Accepting new patients
Marshfield Clinic Inc CurrentSince Oct 23, 2023 Accepting new patients
MCHS Hospitals Inc CurrentSince Oct 23, 2023 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Oct 23, 2023 Accepting new patients
Memorial Hospital Inc CurrentSince Oct 23, 2023 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Oct 23, 2023 Accepting new patients
Memorial Hospital Inc CurrentSince Oct 23, 2023 Accepting new patients
Nebraska Methodist Hospital Current Accepting new patients
MCHS Hospitals Inc CurrentSince Oct 23, 2023 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 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: ashley.korchyk@direct.nmhs.org

Organizations & group practices 12

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 4

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": "1506988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761523200000",
    "number": "1649780701",
    "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 AVENUE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495444",
            "telephone_number": "715-387-5511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8303 Dodge St Ste 300",
            "address_purpose": "LOCATION",
            "city": "Omaha",
            "state": "NE",
            "postal_code": "681144199",
            "country_code": "US",
            "telephone_number": "402-354-5250",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KORCHYK",
        "first_name": "ASHLEY",
        "middle_name": "N",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-10-03",
        "last_updated": "2025-10-27",
        "certification_date": "2025-10-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "7529",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "address_1": "1000 N Oak Avenue",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495444",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

Verify at the official NPI Registry.