Kathleen a Siu Professional Corporation
NPI 1134518988 · Pediatric Dentistry · Valencia, CA
Kathleen a Siu Professional Corporation is a Pediatric Dentistry organization in Valencia, CA (NPI 1134518988).
Provider details
- NPI number
- 1134518988
- Entity type
- Organization
- Primary specialty
- Pediatric DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Kathleen Siu, Owner(661) 259-2960
- License
- 28618 (CA)
Specialties & taxonomies
Dental Providers
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-01-16
- Last updated
- 2015-01-16
Frequently asked questions
- What is Kathleen a Siu Professional Corporation's NPI number?
- Kathleen a Siu Professional Corporation's National Provider Identifier (NPI) is 1134518988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Kathleen a Siu Professional Corporation?
- Kathleen a Siu Professional Corporation is classified in the NPPES registry as Pediatric Dentistry (Dental Providers).
- Where is Kathleen a Siu Professional Corporation located?
- Kathleen a Siu Professional Corporation's practice location on file with NPPES is 23838 Valencia Blvd, Valencia, CA 91355-5319.
- What is Kathleen a Siu Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Kathleen a Siu Professional Corporation is (661) 259-2960.
- Who is the authorized official for Kathleen a Siu Professional Corporation?
- The authorized official listed on Kathleen a Siu Professional Corporation's NPPES record is Kathleen Siu, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Kathleen a Siu Professional Corporation's NPI active?
- Yes — Kathleen a Siu Professional Corporation's NPI (1134518988) is active in the NPPES registry as of the last update on 2015-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.