Active NPI
Leah Tsui Nutrition LLC Dba Limitless Nutrition
- Registered Dietitian
- Los Angeles, CA
National Provider Identifier
1730030495
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- Legal business name
- LEAH TSUI NUTRITION LLC DBA LIMITLESS NUTRITION
- Practice address
- 200 S Barrington Ave Unit 49870
Los Angeles, CA 90049-7837 - Phone
- (323) 457-8796
- Fax
- (213) 933-4588
- NPI assigned
- Feb 6, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Leah Tsui, MS, RDN, LDN
- Title
- Owner/Registered Dietitian
- Phone
- (323) 457-8796
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | Primary |
Addresses
Primary practice location
200 S Barrington Ave Unit 49870
Los Angeles, CA 90049-7837
Mailing address
200 S Barrington Ave Unit 49870
Los Angeles, CA 90049-7837
Phone (323) 457-8796
National Provider Directory
National Provider DirectoryLocations
200 S Barrington Ave
Unit 49870
Los Angeles, CA 90049
Phone (323) 457-8796
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1770336000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1770336000000",
"number": "1730030495",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "200 S BARRINGTON AVE UNIT 49870",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900497837",
"telephone_number": "323-457-8796",
"fax_number": "213-933-4588"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "200 S BARRINGTON AVE UNIT 49870",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900497837",
"telephone_number": "323-457-8796",
"fax_number": "213-933-4588"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "LEAH TSUI NUTRITION LLC DBA LIMITLESS NUTRITION",
"organizational_subpart": "NO",
"enumeration_date": "2026-02-06",
"last_updated": "2026-02-06",
"certification_date": "2026-02-06",
"status": "A",
"authorized_official_last_name": "TSUI",
"authorized_official_first_name": "LEAH",
"authorized_official_title_or_position": "OWNER/REGISTERED DIETITIAN",
"authorized_official_telephone_number": "323-457-8796",
"authorized_official_credential": "MS, RDN, LDN"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Dietitian, Registered",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 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.