1. Home
  2. Directory
  3. California
  4. Thousand Oaks
  5. Physician Assistant
  6. NPI Profile

KATHERINE JEAN WILLIAMS PAC
NPI 1861689390
Physician Assistant in Thousand Oaks, CA

Active since September 28, 2007
375 ROLLING OAKS DR, SUITE 210, THOUSAND OAKS, CA 91361(805) 497-7015(805) 497-7315 Get Directions Write a Review

NPPES record last updated: February 7, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Katherine Jean Williams Pac NPPES

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

KATHERINE JEAN WILLIAMS PAC (NPI 1861689390) is an individual physician assistant in Thousand Oaks, California, licensed in California (53416) and active in the NPI registry since September 2007.

NPPES Registry Identity

NPI1861689390
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHERINE JEAN WILLIAMSCredential: PAC
Location Address375 ROLLING OAKS DR, SUITE 210Thousand Oaks, CA 91361-1023
Mailing Address375 Rolling Oaks Dr, Suite 210Thousand Oaks, CA 91361-1023 · (805) 497-7015 · Fax (805) 497-7315
Phone(805) 497-7015
Fax(805) 497-7315
Sole ProprietorNo
Enumeration DateSeptember 28, 2007
Last NPPES UpdateFebruary 7, 2017
✔ NPI 1861689390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses✔ Licensed in CA · 53416✔ Licensed in MO · 2007028606
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
375 ROLLING OAKS DR, Thousand Oaks, CA 91361
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINCB259138CA

Other Providers at the Same Location NPPES 20

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

DR. ANTHONY CAPPARELLI M.D.
Internal Medicine (Nephrology)
375 ROLLING OAKS DR, SUITE 100
THOUSAND OAKS, CA 91361
Los Angeles County (805) 497-7775
KIDNEY CENTER OF THOUSAND OAKS
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
375 ROLLING OAKS DR, SUITE # 100
THOUSAND OAKS, CA 91361
Los Angeles County (805) 557-1036
DWITE D DAHMS M.D.
Orthopaedic Surgery (Sports Medicine)
375 ROLLING OAKS DR, STE. 200
THOUSAND OAKS, CA 91361
Los Angeles County (805) 497-9481
INSIGHT HEALTH CORP
Physiological Laboratory
375 ROLLING OAKS DR, SUITE 150
THOUSAND OAKS, CA 91361
Los Angeles County (805) 497-5846
JOHN ML DELGADO MD
Orthopaedic Surgery (Orthopaedic Trauma)
375 ROLLING OAKS DR, SUITE 200
THOUSAND OAKS, CA 91361
Los Angeles County (805) 497-9481
GARY A PATTEE M.D.
Orthopaedic Surgery (Sports Medicine)
375 ROLLING OAKS DR, STE. 200
THOUSAND OAKS, CA 91361
Los Angeles County (805) 497-9481
SOUTHERN CALIFORNIA ORTHOPEDIC INSTITUTE, LP
Orthopaedic Surgery
375 ROLLING OAKS DR, SUITE #210
THOUSAND OAKS, CA 91361
Los Angeles County (805) 497-7015
MELVIN MKW HAYASHI, MD INC.
Orthopaedic Surgery (Sports Medicine)
375 ROLLING OAKS DR, SUITE 200
THOUSAND OAKS, CA 91361
Los Angeles County (805) 497-9481

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 Williams's NPI number?

The NPI number for Katherine Williams is 1861689390. It was assigned to this individual provider in the NPPES registry on September 28, 2007.

Where is Katherine Williams located?

Katherine Williams practices at 375 Rolling Oaks Dr Suite 210, Thousand Oaks, CA 91361. The listed phone number is (805) 497-7015.

What is Katherine Williams's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Katherine Williams was last updated on February 7, 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.