IndividualActive
Catherine Chien, D.D.S.
NPI 1225210578 · Pediatric Dentistry · Simi Valley, CA
Catherine Chien, D.D.S. is a Pediatric Dentistry provider in Simi Valley, CA (NPI 1225210578).
Provider details
- NPI number
- 1225210578
- Entity type
- Individual
- Primary specialty
- Pediatric DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Female
- Sole proprietor
- No
- License
- DS5570 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1755 Erringer Rd
Suite 20
Simi Valley, CA 93065-6507
Phone: (805) 522-2164
Street-level locationGet directions
Mailing address
3444 Huerta Ct
Camarillo, CA 93010-2361
Registry dates
- Enumerated
- 2007-11-28
- Last updated
- 2007-11-28
Frequently asked questions
- What is Catherine Chien's NPI number?
- Catherine Chien's National Provider Identifier (NPI) is 1225210578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Chien's specialty?
- Catherine Chien is listed in the NPPES registry with a primary specialty of Pediatric Dentistry (Dental Providers).
- Where is Catherine Chien located?
- Catherine Chien's practice location on file with NPPES is 1755 Erringer Rd, Simi Valley, CA 93065-6507.
- What is Catherine Chien's phone number?
- The practice phone number listed in the NPPES registry for Catherine Chien is (805) 522-2164.
- Is Catherine Chien's NPI active?
- Yes — Catherine Chien's NPI (1225210578) is active in the NPPES registry as of the last update on 2007-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.