1. Home
  2. Directory
  3. California
  4. Pleasanton
  5. Physical Therapist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANE LOUISE WHITESIDE P.T.
NPI 1558310615
Physical Therapist - Pediatrics in Pleasanton, CA

Active since May 08, 2006
1249 QUARRY LN STE 120, PLEASANTON, CA 94566(916) 396-1721 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 19, 2026, Jul 13, 2026 (2 updates tracked since 2026).

About Diane Louise Whiteside P.t. NPPES

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

DIANE LOUISE WHITESIDE P.T. (NPI 1558310615) is an individual pediatrics provider in Pleasanton, California, licensed in California (PT8701) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1558310615
Entity TypeIndividualFemale
Primary Taxonomy2251P0200X
Provider Legal NameDIANE LOUISE WHITESIDECredential: P.T.
Location Address1249 QUARRY LN STE 120Pleasanton, CA 94566-8444
Mailing Address7549 May WaySan Ramon, CA 94583-3709 · (916) 396-1721
Phone(916) 396-1721
Sole ProprietorYes
Enumeration DateMay 8, 2006
Last NPPES UpdateAugust 19, 20262 updates tracked since enumeration
NPPES CertifiedAugust 19, 2026
✔ NPI 1558310615 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysical Therapist · PediatricsRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code2251P0200X
License✔ Licensed in CA · PT8701
Definition
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Pediatric Physical Therapy, who has demonstrated specialized knowledge and skill in anatomy, histology, including embryonic development, genetics, biomechanics, neurological function, neuroscience, and pathology, behavioral sciences, and understanding of diseases or conditions that necessitate physical therapy care, that affect systems that in turn necessitate physical therapy care (comorbidities), and that influence the type of intervention that can be given.
Also ListedPhysical TherapistTaxonomy 225100000X · License PT8701 (CA)
1249 QUARRY LN STE 120, Pleasanton, CA 94566
Open in Google Maps ↗

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 Diane Whiteside's NPI number?

The NPI number for Diane Whiteside is 1558310615. It was assigned to this individual provider in the NPPES registry on May 8, 2006.

Where is Diane Whiteside located?

Diane Whiteside practices at 1249 Quarry Ln Ste 120, Pleasanton, CA 94566. The listed phone number is (916) 396-1721.

What is Diane Whiteside's specialty?

The primary specialty registered for this NPI is Physical Therapist, specializing in Pediatrics, with taxonomy code 2251P0200X.

When was this NPI record last updated?

The NPPES record for Diane Whiteside was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.