Chiaven Phen, DDS
NPI 1538259395 · Dentist · Hayward, CA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chiaven Phen, DDS is a Dentist provider in Hayward, CA (NPI 1538259395).
Provider details
- NPI number
- 1538259395
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- No
- License
- 51519 (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
19 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
- 2006-10-13
- Last updated
- 2016-09-16
Frequently asked questions
- What is Chiaven Phen's NPI number?
- Chiaven Phen's National Provider Identifier (NPI) is 1538259395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chiaven Phen's specialty?
- Chiaven Phen is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Chiaven Phen located?
- Chiaven Phen's practice location on file with NPPES is 22331 Mission Blvd, Hayward, CA 94541-3911.
- What is Chiaven Phen's phone number?
- The practice phone number listed in the NPPES registry for Chiaven Phen is (510) 471-5907.
- Does Chiaven Phen accept Medicare?
- Chiaven Phen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chiaven Phen's NPI active?
- Yes — Chiaven Phen's NPI (1538259395) is active in the NPPES registry as of the last update on 2016-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.