Thomas Tzeng, MD
NPI 1306845102 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · La Habra, CA
Thomas Tzeng, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in La Habra, CA (NPI 1306845102).
Provider details
- NPI number
- 1306845102
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A37994 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-07-14
- Last updated
- 2020-04-02
- Certified
- 2020-04-02
Frequently asked questions
- What is Thomas Tzeng's NPI number?
- Thomas Tzeng's National Provider Identifier (NPI) is 1306845102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Tzeng's specialty?
- Thomas Tzeng is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Tzeng located?
- Thomas Tzeng's practice location on file with NPPES is 9001 W Sharon Way, La Habra, CA 90631-3456.
- What is Thomas Tzeng's phone number?
- The practice phone number listed in the NPPES registry for Thomas Tzeng is (562) 698-6857.
- Is Thomas Tzeng's NPI active?
- Yes — Thomas Tzeng's NPI (1306845102) is active in the NPPES registry as of the last update on 2020-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.