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

Chien-Ko Wu, MD and Meei-Ling T Wu, MD, Inc

Organization Internal Medicine Physician · NPI 1083820856

Chien-Ko Wu, MD and Meei-Ling T Wu, MD, Inc is an Internal Medicine Physician in Orange, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
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

991 N Tustin St Ste 101
Orange, CA 92867-5900
Phone: (714) 639-6162
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A38491 (CA)
Ophthalmology Physician Taxonomy 207W00000X · Licence A40891 (CA)

Record details

NPI number1083820856
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Chien-Ko Wu — Co-President · (714) 639-6162
NPI enumeratedMay 16, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address991 N Tustin St, Suite 101, Orange, CA 92867-5900

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