Active NPI
Joyce K Masson, RN
- Registered Nurse
- Waukesha, WI
National Provider Identifier
1215906672
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Nurse
- License
- 43088-030
- Practice address
- S44W23565 Amy James Dr
Waukesha, WI 53189-7974 - Phone
- (262) 542-6551
- NPI assigned
- Mar 16, 2006
- Last updated
- Jul 13, 2026
- 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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | 43088-030 | WI | Primary |
Addresses
Primary practice location
S44W23565 Amy James Dr
Waukesha, WI 53189-7974
Mailing address
1380 W Wisconsin Ave
Apartment#208
Oconomowoc, WI 53066-5704
Phone (262) 567-5888
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
- Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 43088-030 | WI | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1142467200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1215906672",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1380 W WISCONSIN AVE",
"address_2": "APARTMENT#208",
"city": "OCONOMOWOC",
"state": "WI",
"postal_code": "530665704",
"telephone_number": "262-567-5888"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "S44W23565 AMY JAMES DR",
"city": "WAUKESHA",
"state": "WI",
"postal_code": "531897974",
"telephone_number": "262-542-6551"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MASSON",
"first_name": "JOYCE",
"middle_name": "K",
"credential": "RN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-03-16",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "WI",
"license": "43088-030",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Waukesha, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.