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

Dr. Kou-Ying Hsieh, MD

Individual provider Internal Medicine Physician · NPI 1447208731

Dr. Kou-Ying Hsieh, MD is an Internal Medicine Physician in Emeryville, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1250 45th St
Emeryville, CA 94608-2924
Phone: (510) 596-8988
Fax: (510) 596-8956
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A86471 (CA)

Record details

NPI number1447208731
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESJuly 13, 2026

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