Search › California › Internal Medicine Physician
Justin Tien, MD
NPI 1609370345 · on the registry since 2018 · sole proprietor
Practice
- Address
- 505 Parnassus Ave
San Francisco, CA 94143 - Phone
- (415) 476-1000
- Organisation at this address
- Ucsf
Ucsf
Ucsf
Uc San Francisco
Ucsf Medical CenterInferred from a shared address, not stated in the registry. - Clinicians at this address
- 1,611
Additional practice sites
- 1001 Potrero Avenue, #0862, San Francisco, CA
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
- 2025-09-19
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