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

John K. Lee, MD, Inc

Organization Geriatric Medicine (Internal Medicine) Physician · NPI 1619028131

John K. Lee, MD, Inc is a Geriatric Medicine (Internal Medicine) Physician in Fullerton, California. Registered with an NPI since 2007.

In the registry since
2007
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

400 N Euclid St
Fullerton, CA 92832-1625
Phone: (714) 879-8700
Fax: (714) 879-1700
Show map & directions

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

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X

Record details

NPI number1619028131
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official John Lee — President · (714) 879-8700
NPI enumeratedJanuary 12, 2007
Last updated in NPPESAugust 22, 2020
Mailing address400 N Euclid St, Fullerton, CA 92832-1625