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DR. KATHERINE DANIELLE WILLIAMSON MD
NPI 1982916375
Pediatrics in Lake Forest, CA

Active since July 14, 2010
23321 EL TORO RD, SUITE F, LAKE FOREST, CA 92630(949) 388-1798 Get Directions Write a Review

NPPES record last updated: January 17, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Katherine Danielle Williamson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHERINE DANIELLE WILLIAMSON MD (NPI 1982916375) is an individual pediatrics provider in Lake Forest, California, licensed in California (A112985) and active in the NPI registry since July 2010.

NPPES Registry Identity

NPI1982916375
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. KATHERINE DANIELLE WILLIAMSONCredential: MD
Location Address23321 EL TORO RD, SUITE FLake Forest, CA 92630-4825
Mailing Address23321 El Toro Rd, Suite FLake Forest, CA 92630-4825 · (949) 388-1798
Phone(949) 388-1798
Sole ProprietorYes
Enumeration DateJuly 14, 2010
Last NPPES UpdateJanuary 17, 2017
✔ NPI 1982916375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A112985
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
23321 EL TORO RD, Lake Forest, CA 92630
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Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CUONG LY MD, INC
Internal Medicine (Nephrology)
23321 EL TORO RD, SUITE H
LAKE FOREST, CA 92630
Orange County (949) 305-2660
DR. JENNIFER BLAKE ELI D.M.D.
Dentist (General Practice)
23321 EL TORO RD, SUTIE D
LAKE FOREST, CA 92630
Orange County (949) 735-3259
MICHAEL BISSIRI DDS
Dentist (General Practice)
23321 EL TORO RD, SUITE B
LAKE FOREST, CA 92630
Orange County (949) 770-6966
ANNEKE SAGER C.P.N.P.
Nurse Practitioner (Pediatrics)
23321 EL TORO RD, SUITES F&G
LAKE FOREST, CA 92630
Orange County (949) 858-1100
REX CHUANG, DDS, INC.
Dentist (Pediatric Dentistry)
23321 EL TORO RD, SUITE C
LAKE FOREST, CA 92630
Orange County (949) 916-9798
LISA WALPERT F.N.P.
Nurse Practitioner (Pediatrics)
23321 EL TORO RD, SUITES F&G
LAKE FOREST, CA 92630
Orange County (949) 858-1100
DR. WILLIAM YOUNG GREGG DDS
Dentist
23321 EL TORO RD, SUITE D
LAKE FOREST, CA 92630
Orange County (949) 770-7686
MRS. JUDITH WHITNEY LEONARD PNP, BC
Nurse Practitioner (Pediatrics)
23321 EL TORO RD, SUITES F & G
LAKE FOREST, CA 92630
Orange County (949) 770-0513

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Williamson's NPI number?

The NPI number for Katherine Williamson is 1982916375. It was assigned to this individual provider in the NPPES registry on July 14, 2010.

Where is Katherine Williamson located?

Katherine Williamson practices at 23321 El Toro Rd Suite F, Lake Forest, CA 92630. The listed phone number is (949) 388-1798.

What is Katherine Williamson's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Katherine Williamson was last updated on January 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.