Andy Tzeng, MD
NPI 1285435347 · Student in an Organized Health Care Education/Training Program · Los Angeles, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andy Tzeng, MD is a Student in an Organized Health Care Education/Training Program provider in Los Angeles, CA (NPI 1285435347).
Provider details
- NPI number
- 1285435347
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2025-03-24
- Last updated
- 2025-03-24
- Certified
- 2025-03-23
Frequently asked questions
- What is Andy Tzeng's NPI number?
- Andy Tzeng's National Provider Identifier (NPI) is 1285435347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andy Tzeng's specialty?
- Andy Tzeng is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Andy Tzeng located?
- Andy Tzeng's practice location on file with NPPES is 1200 N State St Ste A7d, Los Angeles, CA 90089-1001.
- What is Andy Tzeng's phone number?
- The practice phone number listed in the NPPES registry for Andy Tzeng is (323) 409-7556.
- Does Andy Tzeng accept Medicare?
- Andy Tzeng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andy Tzeng's NPI active?
- Yes — Andy Tzeng's NPI (1285435347) is active in the NPPES registry as of the last update on 2025-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.