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

Lien Giao Doan, MD

Individual provider Family Medicine Physician · NPI 1912909698

Lien Giao Doan, MD is a Family Medicine Physician in Fullerton, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2605 W Orangethorpe Ave Ste A
Fullerton, CA 92833-4209
Phone: (714) 871-2850
Fax: (714) 871-4380
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A66684 (CA)

Record details

NPI number1912909698
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 12, 2005
Last updated in NPPESJuly 13, 2026
Mailing address2605 W Orangethorpe Ave, Suite A, Fullerton, CA 92833-4209

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