Active NPI
Madison Lynn Arndt, PA-C
- Physician Assistant
- Onalaska, WA
National Provider Identifier
1194523563
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA.70081013
- Practice address
- 1810 Hwy 508
Valley View Health Center - Onalaska
Onalaska, WA 98570-9636 - Phone
- (360) 978-6600
- Fax
- (360) 978-6610
- NPI assigned
- Mar 3, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA.70081013 | WA | Primary |
Addresses
Primary practice location
1810 Hwy 508
Valley View Health Center - Onalaska
Onalaska, WA 98570-9636
Mailing address
2690 NE Kresky Ave
Chehalis, WA 98532-2412
Phone (360) 330-9595
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2368716 | Medicaid | WA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260527001387 | WA | Practitioner - Physician Assistant | 6800366287 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2025
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
2690 NE Kresky Ave
Chehalis, WA 98532-2412
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA.70081013 | WA | MD | Physician Assistant |
Organizations & group practices 1
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.
-
- Federally Qualified Health Center (FQHC)
- Chehalis, WA
- NPI 1134164692
WA
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1740960000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774828800000",
"number": "1194523563",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2690 NE KRESKY AVE",
"city": "CHEHALIS",
"state": "WA",
"postal_code": "985322412",
"telephone_number": "360-330-9595",
"fax_number": "360-330-9560"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1810 HWY 508",
"address_2": "VALLEY VIEW HEALTH CENTER - ONALASKA",
"city": "ONALASKA",
"state": "WA",
"postal_code": "985709636",
"telephone_number": "360-978-6600",
"fax_number": "360-978-6610"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ARNDT",
"first_name": "MADISON",
"middle_name": "LYNN",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-03-03",
"last_updated": "2026-03-30",
"certification_date": "2026-03-30",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "WA",
"license": "PA.70081013",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "2368716",
"state": "WA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Onalaska, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.