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

Leann Arleen Williams, MD

Individual provider Pediatrics Physician · NPI 1437451499

Leann Arleen Williams, MD is a Pediatrics Physician in Ladera Ranch, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

600 Corporate Dr Ste 110
Ladera Ranch, CA 92694-2107
Phone: (949) 328-1837
Fax: (949) 328-1838
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A114783 (CA)

Record details

NPI number1437451499
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 24, 2010
Last updated in NPPESMarch 27, 2025
Certification dateMarch 27, 2025

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