Active NPI
Seila Buth, RD, RDN
- Registered Dietitian
- Irvine, CA
National Provider Identifier
1104752153
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 86327015
- Practice address
- 2501 Alton Pkwy Unit 1111
Irvine, CA 92606-5013 - Phone
- (209) 751-7874
- NPI assigned
- Jun 18, 2026
- Sex
- Male
- 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 Dietitian | 133V00000X | 86327015 | CA | Primary |
Addresses
Primary practice location
2501 Alton Pkwy Unit 1111
Irvine, CA 92606-5013
Mailing address
2501 Alton Pkwy Unit 1111
Irvine, CA 92606-5013
Phone (209) 751-7874
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": "1781740800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781740800000",
"number": "1104752153",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2501 ALTON PKWY UNIT 1111",
"city": "IRVINE",
"state": "CA",
"postal_code": "926065013",
"telephone_number": "209-751-7874"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2501 ALTON PKWY UNIT 1111",
"city": "IRVINE",
"state": "CA",
"postal_code": "926065013",
"telephone_number": "209-751-7874"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BUTH",
"first_name": "SEILA",
"name_prefix": "Mr.",
"credential": "RD, RDN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-06-18",
"last_updated": "2026-06-18",
"certification_date": "2026-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "CA",
"license": "86327015",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Irvine, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.