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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RALPH PETER VANDERSLOOT DDS, MS
NPI 1952304602
Dentist - Periodontics in Pleasanton, CA

Active since May 24, 2005
5700 STONERIDGE MALL RD, STE 290, PLEASANTON, CA 94588(925) 463-1450(925) 463-0838 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Ralph Peter Vandersloot Dds, Ms NPPES

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

DR. RALPH PETER VANDERSLOOT DDS, MS (NPI 1952304602) is an individual periodontics provider in Pleasanton, California, licensed in California (CDL 22301) and active in the NPI registry since May 2005.

NPPES Registry Identity

NPI1952304602
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. RALPH PETER VANDERSLOOTCredential: DDS, MS
Location Address5700 STONERIDGE MALL RD, STE 290Pleasanton, CA 94588-2847
Mailing Address5700 Stoneridge Mall Rd, Ste 290Pleasanton, CA 94588-2847 · (925) 463-1450 · Fax (925) 463-0838
Phone(925) 463-1450
Fax(925) 463-0838
Sole ProprietorNo
Enumeration DateMay 24, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1952304602 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License✔ Licensed in CA · CDL 22301
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
5700 STONERIDGE MALL RD, Pleasanton, CA 94588
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 5

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

CRAIG P KLOOSTER DPM PC
Podiatrist
5700 STONERIDGE MALL RD, CRAIG P KLOOSTER DPM PC SUITE 120
PLEASANTON, CA 94588
Alameda County (925) 460-0681
MS. PEGGY J WYNNE MA
Marriage & Family Therapist
5700 STONERIDGE MALL RD, SUITE 265
PLEASANTON, CA 94588
Alameda County (924) 225-1942
CRAIG PHILLIP KLOOSTER DPM
Podiatrist
5700 STONERIDGE MALL RD, SUITE 120
PLEASANTON, CA 94588
Alameda County (925) 460-0681
EXPRESS MEDICINE URGENT CARE, INC.
Clinic/Center (Urgent Care)
5700 STONERIDGE MALL RD, SUITE 100
PLEASANTON, CA 94588
Alameda County (925) 915-9530
DR. LUCILLE J. GUASTELLA D.D.S.
Dentist (Periodontics)
5700 STONERIDGE MALL RD, SUITE 290
PLEASANTON, CA 94588
Alameda County (925) 463-1450

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 Ralph Vandersloot's NPI number?

The NPI number for Ralph Vandersloot is 1952304602. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is Ralph Vandersloot located?

Ralph Vandersloot practices at 5700 Stoneridge Mall Rd Ste 290, Pleasanton, CA 94588. The listed phone number is (925) 463-1450.

What is Ralph Vandersloot's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

What insurance does Ralph Vandersloot accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Ralph Vandersloot as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ralph Vandersloot was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.