Stephen Yen, DMD
NPI 1427142009 · Orthodontics and Dentofacial Orthopedics Dentistry · Los Angeles, CA
Enrolled with Medicare as Practitioner - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Yen, DMD is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Los Angeles, CA (NPI 1427142009).
Provider details
- NPI number
- 1427142009
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DMD
- Sex
- Male
- Sole proprietor
- No
- License
- 39217 (CA)
Specialties & taxonomies
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
- 2006-10-03
- Last updated
- 2015-02-09
Frequently asked questions
- What is Stephen Yen's NPI number?
- Stephen Yen's National Provider Identifier (NPI) is 1427142009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Yen's specialty?
- Stephen Yen is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Stephen Yen located?
- Stephen Yen's practice location on file with NPPES is 4650 Sunset Blvd, Los Angeles, CA 90027-6062.
- What is Stephen Yen's phone number?
- The practice phone number listed in the NPPES registry for Stephen Yen is (323) 669-2130.
- Does Stephen Yen accept Medicare?
- Stephen Yen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Yen's NPI active?
- Yes — Stephen Yen's NPI (1427142009) is active in the NPPES registry as of the last update on 2015-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.