Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

John K. Lee, MD, Inc

Organization Geriatric Medicine (Internal Medicine) Physician · NPI 1619028131

John K. Lee, MD, Inc provides Geriatric Medicine (Internal Medicine) Physician services 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