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

Mr. Frank Y An, MD

Individual provider Family Medicine Physician · NPI 1558345843

Mr. Frank Y An, MD is a Family Medicine Physician in Lomita, California. Practices as a sole proprietor. Licensed in California.

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

25043 Narbonne Ave
Lomita, CA 90717-2101
Phone: (310) 373-8120
Fax: (424) 203-8980
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Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G62295 (CA)

Record details

NPI number1558345843
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 1, 2005
Last updated in NPPESJune 8, 2021
Certification dateJune 8, 2021

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