Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Timothy Guan-Tyng Yeh, MD Inc

Organization Specialist · NPI 1376812800

Timothy Guan-Tyng Yeh, MD Inc provides Specialist services in Menifee, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

29798 Haun Rd Ste Number 106
Menifee, CA 92586-6541 Not confirmed with CMS for 14 years — call before visiting
Phone: (714) 956-4958
Fax: (714) 400-0488
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 00G81650 (CA)

Record details

NPI number1376812800
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Timothy Yeh — Owner · (714) 956-4958
Other names Timothy G. Yeh
NPI enumeratedDecember 29, 2011
Last updated in NPPESDecember 29, 2011
Mailing addressPo Box 5256, Fullerton, CA 92838-0256

Other providers in Menifee