Tommy Y. Yen, M.D.
Gastroenterology · San Diego, CA
UnclaimedM.D.NPI 1053421958
- Primary taxonomy
- 207RG0100X
- Enumerated
- 2006-08-30
- Practice location
- San Diego, CA
- Last NPPES update
- 2026-08-17
Source: CMS National Plan & Provider Enumeration System (NPPES) and state licensing boards. ScrubHub shows name, credential, taxonomy, practice city/state and license status only.