IndividualActive
Theodore Tzeng, DDS
NPI 1366331100 · Dentist · Downey, CA
Theodore Tzeng, DDS is a Dentist provider in Downey, CA (NPI 1366331100).
Provider details
- NPI number
- 1366331100
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 111761 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
7601 Imperial Hwy
Downey, CA 90242-3456
Phone: (877) 726-2461
Street-level locationGet directions
Mailing address
18322 Jocotal Ave
Villa Park, CA 92861-2722
Registry dates
- Enumerated
- 2025-06-27
- Last updated
- 2025-06-27
- Certified
- 2025-06-27
Frequently asked questions
- What is Theodore Tzeng's NPI number?
- Theodore Tzeng's National Provider Identifier (NPI) is 1366331100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Tzeng's specialty?
- Theodore Tzeng is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Theodore Tzeng located?
- Theodore Tzeng's practice location on file with NPPES is 7601 Imperial Hwy, Downey, CA 90242-3456.
- What is Theodore Tzeng's phone number?
- The practice phone number listed in the NPPES registry for Theodore Tzeng is (877) 726-2461.
- Is Theodore Tzeng's NPI active?
- Yes — Theodore Tzeng's NPI (1366331100) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.