Active NPI
Kit Ying Yvonne Ruathaiwat, MSN, RN, CNS
- Gerontology Clinical Nurse Specialist
- Oakland, CA
National Provider Identifier
1144145236
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Gerontology Clinical Nurse Specialist
- License
- 2008006670
- Practice address
- 818 Webster St
Oakland, CA 94607-4220 - Phone
- (510) 986-6880
- NPI assigned
- Aug 10, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | 650766 | CA | |
| Clinical Nurse Specialist | 364S00000X | 2990 | CA | |
| Gerontology Clinical Nurse Specialist | 364SG0600X | 2008006670 | CA | Primary |
Addresses
Primary practice location
818 Webster St
Oakland, CA 94607-4220
Mailing address
818 Webster St
Oakland, CA 94607-4220
Phone (510) 986-6880
Other names 1
- Yvonne Ruathaiwat
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1786320000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786320000000",
"number": "1144145236",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "818 WEBSTER ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946074220",
"telephone_number": "510-986-6880"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "818 WEBSTER ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946074220",
"telephone_number": "510-986-6880"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RUATHAIWAT",
"first_name": "KIT YING",
"middle_name": "YVONNE",
"name_prefix": "Ms.",
"credential": "MSN, RN, CNS",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-08-10",
"last_updated": "2026-08-10",
"certification_date": "2026-08-10",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "CA",
"license": "650766",
"primary": false
},
{
"code": "364S00000X",
"taxonomy_group": "",
"desc": "Clinical Nurse Specialist",
"state": "CA",
"license": "2990",
"primary": false
},
{
"code": "364SG0600X",
"taxonomy_group": "",
"desc": "Clinical Nurse Specialist, Gerontology",
"state": "CA",
"license": "2008006670",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "YVONNE",
"last_name": "RUATHAIWAT",
"credential": "MSN, RN, CNS",
"code": "2",
"type": "Professional Name"
}
]
}
Other providers in Oakland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 10, 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.