OrganizationActive
Nelson T. Yen DDS, Ms Inc.
NPI 1538254396 · Periodontics · Fullerton, CA
Nelson T. Yen DDS, Ms Inc. is a Periodontics organization in Fullerton, CA (NPI 1538254396).
Provider details
- NPI number
- 1538254396
- Entity type
- Organization
- Primary specialty
- PeriodonticsDental Providers
- Organization subpart
- No
- Authorized official
- Nelson Yen, Employer(714) 381-4699
- License
- 29240 (CA)
Specialties & taxonomies
Dental Providers
Dental Providers
Profile Score
Detailed profile(90/100 index)
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
220 Laguna Rd
Suite 3
Fullerton, CA 92835-2523
Phone: (714) 441-0436
Street-level locationGet directions
Mailing address
130 Laguna Rd Ste B
Fullerton, CA 92835-3650
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2022-01-19
- Certified
- 2022-01-19
Frequently asked questions
- What is Nelson T. Yen DDS, Ms Inc.'s NPI number?
- Nelson T. Yen DDS, Ms Inc.'s National Provider Identifier (NPI) is 1538254396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nelson T. Yen DDS, Ms Inc.?
- Nelson T. Yen DDS, Ms Inc. is classified in the NPPES registry as Periodontics (Dental Providers).
- Where is Nelson T. Yen DDS, Ms Inc. located?
- Nelson T. Yen DDS, Ms Inc.'s practice location on file with NPPES is 220 Laguna Rd, Fullerton, CA 92835-2523.
- What is Nelson T. Yen DDS, Ms Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Nelson T. Yen DDS, Ms Inc. is (714) 441-0436.
- Who is the authorized official for Nelson T. Yen DDS, Ms Inc.?
- The authorized official listed on Nelson T. Yen DDS, Ms Inc.'s NPPES record is Nelson Yen, Employer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nelson T. Yen DDS, Ms Inc.'s NPI active?
- Yes — Nelson T. Yen DDS, Ms Inc.'s NPI (1538254396) is active in the NPPES registry as of the last update on 2022-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.