MRS. JUDITH KRISTIE WILLIAMSON RN NP
NPI 1750167649
Nurse Practitioner - Family in Encino, CA

Active since September 06, 2023PECOS Enrolled
4625 LIBBIT AVE, ENCINO, CA 91436(410) 871-4701 Get Directions Write a Review

NPPES record last updated: September 6, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Judith Kristie Williamson Rn Np NPPES

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

MRS. JUDITH KRISTIE WILLIAMSON RN NP (NPI 1750167649) is an individual family provider in Encino, California, licensed in California (8591) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750167649
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. JUDITH KRISTIE WILLIAMSONCredential: RN NP
Location Address4625 LIBBIT AVEEncino, CA 91436-2121
Mailing Address4625 Libbit AveEncino, CA 91436-2121 · (310) 871-4701
Sole ProprietorNo
Enumeration DateSeptember 6, 2023
NPPES CertifiedSeptember 6, 2023
✔ NPI 1750167649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 8591
4625 LIBBIT AVE, Encino, CA 91436

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Judith Kristie Williamson Rn Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Judith Williamson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
6551 VAN NUYS BLVD FL 2
Van Nuys, CA 91401
  • Reassigned Medicare billing, California enrollment
  • 218 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91436 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Judith Williamson's NPI number?

The NPI number for Judith Williamson is 1750167649. It was assigned to this individual provider in the NPPES registry on September 6, 2023.

Where is Judith Williamson located?

Judith Williamson practices at 4625 Libbit Ave, Encino, CA 91436. The listed phone number is (410) 871-4701.

What is Judith Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Judith Williamson enrolled in Medicare?

Yes. Judith Williamson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Judith Williamson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Judith Williamson reassigns Medicare benefits to Northeast Valley Health Corporation (Van Nuys, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Judith Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Judith Williamson was last updated on September 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.