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

DR. RICHARD SLEIGHTHOLM MD PHD
NPI 1083291611
Pediatrics - Pediatric Hematology-Oncology in Palo Alto, CA

Q: What is Richard Sleightholm's NPI number?

The NPI number for Richard Sleightholm is 1083291611. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Q: What is Richard Sleightholm's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Active since March 28, 2021

750 WELCH RD STE 200, PALO ALTO, CA 94304(650) 723-5535 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 16, 2026, Mar 28, 2021 (2 updates tracked since 2021).

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About Dr. Richard Sleightholm Md Phd NPPES

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

DR. RICHARD SLEIGHTHOLM MD PHD (NPI 1083291611) is an individual pediatric hematology-oncology provider in Palo Alto, California, licensed in California (A194219) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1083291611

Entity TypeIndividualMale

Primary Taxonomy2080P0207X

Provider Legal NameDR. RICHARD SLEIGHTHOLMCredential: MD PHD

Location Address750 WELCH RD STE 200Palo Alto, CA 94304-1509

Mailing Address750 Welch Rd Ste 200Palo Alto, CA 94304-1509 · (650) 723-5535

Phone(650) 723-5535

Sole ProprietorNo

Enumeration DateMarch 28, 2021

Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration

NPPES CertifiedJuly 16, 2026

✔ NPI 1083291611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in CA · A194219

Definition

A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.

750 WELCH RD STE 200, Palo Alto, CA 94304

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Other Providers at the Same Location NPPES

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

DR. ROZALYN YING JIA CHOK MD

Student in an Organized Health Care Education/Training Program

750 WELCH RD STE 200
PALO ALTO, CA 94304

Santa Clara County (650) 723-5535

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 Richard Sleightholm's NPI number?

The NPI number for Richard Sleightholm is 1083291611. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Richard Sleightholm located?

Richard Sleightholm practices at 750 Welch Rd Ste 200, Palo Alto, CA 94304. The listed phone number is (650) 723-5535.

What is Richard Sleightholm's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

When was this NPI record last updated?

The NPPES record for Richard Sleightholm was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.