JESSICA ASHLEY JEANENE WILLIAMS MD
NPI 1114424710
Pediatrics - Pediatric Nephrology in Palo Alto, CA

Q: What is Jessica Ashley Williams's NPI number?

The NPI number for Jessica Ashley Williams is 1114424710. It was assigned to this individual provider in the NPPES registry on April 10, 2018.

Q: What is Jessica Ashley Williams's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.

Active since April 10, 2018PECOS Enrolled

725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: September 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 8, 2025, Nov 6, 2024, May 25, 2022 and 2 more (5 updates tracked since 2018).

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About Jessica Ashley Jeanene Williams Md NPPES

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

JESSICA ASHLEY JEANENE WILLIAMS MD (NPI 1114424710) is an individual pediatric nephrology provider in Palo Alto, California, licensed in California (A174461) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Santa Clara.

NPPES Registry Identity

NPI1114424710

Entity TypeIndividualFemale

Primary Taxonomy2080P0210X

Provider Legal NameJESSICA ASHLEY JEANENE WILLIAMSCredential: MD

Location Address725 WELCH RDPalo Alto, CA 94304-1601

Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000

Phone(650) 497-8000

Sole ProprietorNo

Enumeration DateApril 10, 2018

Last NPPES UpdateSeptember 8, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 8, 2025

✔ NPI 1114424710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0210X

License✔ Licensed in CA · A174461

Definition

A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.

Also ListedPediatricsTaxonomy 208000000X · License A174461 (CA)

725 WELCH RD, Palo Alto, CA 94304

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Secondary Practice Location 1

Location 1701 Lawrence ExpySanta Clara, CA 95051-5173 · Phone (408) 554-9810

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jessica Ashley Jeanene Williams Md 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.

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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.

EIRI INENAGA MS, OTR/L

Occupational Therapist (Pediatrics)