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

Dr. Katherine Danielle Williamson, MD

Individual provider Pediatrics Physician · NPI 1982916375

Dr. Katherine Danielle Williamson, MD is a Pediatrics Physician in Lake Forest, California. Practices as a sole proprietor. Licensed in California.

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

23321 El Toro Rd Ste F
Lake Forest, CA 92630-4825
Phone: (949) 388-1798
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A112985 (CA)

Record details

NPI number1982916375
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 14, 2010
Last updated in NPPESJanuary 17, 2017
Mailing address23321 El Toro Rd, Suite F, Lake Forest, CA 92630-4825

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