Active NPI
Winnie Monohan, MS, CGC
- Genetic Counselor (M.S.)
- Longview, WA
National Provider Identifier
1912860776
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Genetic Counselor (M.S.)
- License
- 70078113
- Practice address
- 1615 Delaware St
Longview, WA 98632-2367 - Phone
- (360) 414-7878
- Fax
- (360) 414-7876
- NPI assigned
- Dec 8, 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 |
|---|---|---|---|---|
| Genetic Counselor (M.S.) | 170300000X | 70078113 | WA | Primary |
Addresses
Primary practice location
1615 Delaware St
Longview, WA 98632-2367
Mailing address
PO Box 2649
Olympia, WA 98507-2649
Other practice location 1
505 NE 87th Ave
Vancouver, WA 98664-1989
Phone (360) 514-2550
Other practice location 2
2008 Caton Way SW Ste A2
Olympia, WA 98502-2100
Phone (844) 743-6384
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Master of Science
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Genetics Support Foundation, Inc. | Genetic Counselor, Ms | Past | Accepting new patients |
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.
-
dba Genetic Support Foundation
- Genetic Counselor (M.S.)
- Olympia, WA
- NPI 1023475845
Genetic Counselor, Ms
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1765152000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787702400000",
"number": "1912860776",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 2649",
"city": "OLYMPIA",
"state": "WA",
"postal_code": "985072649"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1615 DELAWARE ST",
"city": "LONGVIEW",
"state": "WA",
"postal_code": "986322367",
"telephone_number": "360-414-7878",
"fax_number": "360-414-7876"
}
],
"practiceLocations": [
{
"address_1": "505 NE 87th Ave",
"address_purpose": "LOCATION",
"city": "Vancouver",
"state": "WA",
"postal_code": "986641989",
"country_code": "US",
"telephone_number": "360-514-2550",
"fax_number": "360-514-1927",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "2008 Caton Way SW Ste A2",
"address_purpose": "LOCATION",
"city": "Olympia",
"state": "WA",
"postal_code": "985022100",
"country_code": "US",
"telephone_number": "844-743-6384",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MONOHAN",
"first_name": "WINNIE",
"credential": "MS, CGC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-12-08",
"last_updated": "2026-08-26",
"certification_date": "2026-08-26",
"status": "A"
},
"taxonomies": [
{
"code": "170300000X",
"taxonomy_group": "",
"desc": "Genetic Counselor, MS",
"state": "WA",
"license": "70078113",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Longview, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.