CLAIRE ELINOR JOHNS MD
NPI 1912468455
Pediatrics - Pediatric Hematology-Oncology in Palo Alto, CA

Active since March 27, 2019PECOS Enrolled
725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2025, Aug 3, 2021 (2 updates tracked since 2021).

About Claire Elinor Johns Md NPPES

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

CLAIRE ELINOR JOHNS MD (NPI 1912468455) is an individual pediatric hematology-oncology provider in Palo Alto, California, licensed in California (A177634) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1912468455
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameCLAIRE ELINOR JOHNSCredential: MD
Location Address725 WELCH RDPalo Alto, CA 94304-1601
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Sole ProprietorNo
Enumeration DateMarch 27, 2019
Last NPPES UpdateAugust 4, 20252 updates tracked since enumeration
NPPES CertifiedAugust 4, 2025
NPI 1912468455 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License Licensed in CA · A177634
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License PTL2249 (CA), A177634 (CA)
725 WELCH RD, Palo Alto, CA 94304

Secondary Practice Location 1

Location 1550 16th St Fl Hall4San Francisco, CA 94143-2549 · Phone (415) 476-5001

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Claire Elinor Johns 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.

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.

Occupational Therapist (Pediatrics)
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner (Neonatal)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics
725 WELCH RD
PALO ALTO, CA 94304
Anesthesiology (Pediatric Anesthesiology)
725 WELCH RD
PALO ALTO, CA 94304
Pediatrics (Pediatric Hematology-Oncology)
725 WELCH RD
PALO ALTO, CA 94304
Occupational Therapist
725 WELCH RD
PALO ALTO, CA 94304
Nurse Practitioner
725 WELCH RD
PALO ALTO, CA 94304
Hospitalist
725 WELCH RD
PALO ALTO, CA 94304

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 Claire Johns's NPI number?

The NPI number for Claire Johns is 1912468455. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Where is Claire Johns located?

Claire Johns practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.

What is Claire Johns's specialty?

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

Is Claire Johns enrolled in Medicare?

Yes. Claire Johns is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Claire Johns was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.