Individual provider Active NPI

Megan Lee Derks, PA

  • Physician Assistant
  • Grafton, WI
National Provider Identifier
1407562614
Registry record updated Nov 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
7216 Issued in WI
Practice address
975 Port Washington Rd
Grafton, WI 53024-9201
Phone
(262) 329-1000
NPI assigned
Jan 31, 2023
Last updated
Nov 3, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 7216 WI Primary

Addresses

Primary practice location

975 Port Washington Rd
Grafton, WI 53024-9201

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other identifiers 1

IdentifierTypeStateIssuer
100227300MedicaidWI

Other names 1

  • Megan Lee Kasik Former name

Electronic endpoints 3

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address mkasik236056@direct.myadvocateaurora.org Direct
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/Documentsubmission/2_0/Nhinservice/XDRRequest_Service Other Ability Network

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
I20230222002890 WI Practitioner - Physician Assistant 4082087044 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Creighton University School of Medicine, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

1020 N 12TH St
Milwaukee, WI 53233-1308
Phone (414) 219-3056

975 Port Washington Rd
Grafton, WI 53024-9204
Phone (262) 329-8650

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
7216WIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Advanced Healthcare, Inc. CurrentSince Jul 4, 2026 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Mar 24, 2023 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Mar 24, 2023 Accepting new patients
Aurora Advanced Healthcare Inc PastSince Jul 4, 2026 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

975 Port Washington Rd
Grafton, WI 53024
Phone (262) 329-1000

975 Port Washington Rd
#110
Grafton, WI 53024
Phone (262) 329-8000

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

3301 W Forest Home Ave
Milwaukee, WI 53215
Phone (414) 389-2233

Interoperability endpoints

  • Direct secure messaging: mkasik236056@direct.myadvocateaurora.org

Organizations & group practices 5

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 1

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": "1675123200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1407562614",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "975 PORT WASHINGTON RD",
            "city": "GRAFTON",
            "state": "WI",
            "postal_code": "530249201",
            "telephone_number": "262-329-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DERKS",
        "first_name": "MEGAN",
        "middle_name": "LEE",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-01-31",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "7216",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100227300",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "975 Port Washington Rd",
            "city": "Grafton",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530249201",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mkasik236056@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "975 Port Washington Rd",
            "city": "Grafton",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530249201",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/Documentsubmission/2_0/Nhinservice/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd Ste B",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MEGAN",
            "last_name": "KASIK",
            "middle_name": "LEE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Grafton, WI

Sources for this page

Verify at the official NPI Registry.