Search › California › Internal Medicine Physician
William Tzeng, MD
NPI 1649809385 · on the registry since 2020
Practice
- Address
- 17170 Colima Rd Ste G
Hacienda Heights, CA 91745 - Phone
- (626) 965-8202
- Fax
- (626) 964-9893
- Organisation at this address
- Rx Now Inc
Ching Chen M D IncorporatedInferred from a shared address, not stated in the registry. - Clinicians at this address
- 9
Registry record
- Primary taxonomy
- Internal Medicine Physician
207R00000X
- Licence states on file
- CA
From the registry's licence fields, which are often incomplete.
- Sex
- Male
- Record last updated
- 2025-09-03
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California