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

Tien-An Yang, MD, PHD

Individual provider Ophthalmology Physician · NPI 1164570347

Tien-An Yang, MD, PHD is an Ophthalmology in Vallejo, California. Graduated from Js Weill Medical College, Cornell University in 2003, 23 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
Js Weill Medical College, Cornell University
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

975 Sereno Drive Kaiser Permanente Medical Ctr
Vallejo, CA 94589-2485
Phone: (707) 651-5760
Fax: (707) 651-2980
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence A89469 (CA)

Record details

NPI number1164570347
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJanuary 6, 2007
Last updated in NPPESFebruary 11, 2022
Mailing address975 Sereno Dr, Vallejo, CA 94589-2441

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2003 (23 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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