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MR. JONATHAN MACARTHUR WILLIAMS JR.
NPI 1699628925
Rehabilitation Practitioner in La Verne, CA

Active since February 17, 2026
1350 3RD ST, LA VERNE, CA 91750(909) 593-2581 Get Directions Write a Review

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

About Mr. Jonathan Macarthur Williams Jr. NPPES

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

MR. JONATHAN MACARTHUR WILLIAMS JR. (NPI 1699628925) is an individual rehabilitation practitioner in La Verne, California and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1699628925
Entity TypeIndividualMale
Primary Taxonomy225400000X
Provider Legal NameMR. JONATHAN MACARTHUR WILLIAMS JR.
Location Address1350 3RD STLa Verne, CA 91750-5201
Mailing Address233 Baseline RdLa Verne, CA 91750-2353 · (909) 593-2581
Phone(909) 593-2581
Sole ProprietorYes
Enumeration DateFebruary 17, 2026
NPPES CertifiedFebruary 17, 2026
✔ NPI 1699628925 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225400000X
Definition
A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.
1350 3RD ST, La Verne, CA 91750
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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.

VANESSA JIMENEZ BACHELORS
Counselor (Mental Health)
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 596-5921
SOPHIA-DIAHN NCHELEM NWANODI ASW
Social Worker
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 596-5921
ISRAEL RALEIGH RENTERIA
Peer Specialist
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 593-2581
GERARDO BECERRA LOERA
Rehabilitation Practitioner
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 593-2581
MS. BEVERLY ANN FEATHERSTON KCSW
Social Worker (Clinical)
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 596-5921
MS. ELIZABETH DIANA TOWERS MSW
Social Worker
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 596-5921
HOPE ALVIZAR
Marriage & Family Therapist
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 596-5921
MARLENE J SCHOENHOFEN
Social Worker
1350 3RD ST
LA VERNE, CA 91750
Los Angeles County (909) 593-2581

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 Jonathan Williams's NPI number?

The NPI number for Jonathan Williams is 1699628925. It was assigned to this individual provider in the NPPES registry on February 17, 2026.

Where is Jonathan Williams located?

Jonathan Williams practices at 1350 3rd St, La Verne, CA 91750. The listed phone number is (909) 593-2581.

What is Jonathan Williams's specialty?

The primary specialty registered for this NPI is Rehabilitation Practitioner with taxonomy code 225400000X.

When was this NPI record last updated?

The NPPES record for Jonathan Williams was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.