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

MS. Lucille Leong, MD

Individual provider Internal Medicine Physician · NPI 1104936459

MS. Lucille Leong, MD is an Internal Medicine Physician in Duarte, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
3
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

1500 E Duarte Rd
Duarte, CA 91010
Phone: (626) 359-8111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence G43999 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G43999 (CA)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence G43999 (CA)

Record details

NPI number1104936459
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESAugust 26, 2015
Mailing address1333 S Mayflower Ave Floor 2, Monrovia, CA 91016-4066

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