KAREN CHAO MD
NPI 1194187104
Pediatrics - Pediatric Hematology-Oncology in Palo Alto, CA

Q: What is Karen Chao's NPI number?

The NPI number for Karen Chao is 1194187104. It was assigned to this individual provider in the NPPES registry on March 28, 2016.

Q: What is Karen Chao's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Karen Chao was last updated on April 16, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 28, 2016PECOS Enrolled

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

NPPES record last updated: April 16, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 16, 2024, Oct 31, 2022, Mar 28, 2016 (3 updates tracked since 2016).

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About Karen Chao Md NPPES

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

KAREN CHAO MD (NPI 1194187104) is an individual pediatric hematology-oncology provider in Palo Alto, California, licensed in California (A180664) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1194187104

Entity TypeIndividualFemale

Primary Taxonomy2080P0207X

Provider Legal NameKAREN CHAOCredential: 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 DateMarch 28, 2016

Last NPPES UpdateApril 16, 20243 updates tracked since enumeration

NPPES CertifiedApril 16, 2024

✔ NPI 1194187104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

License✔ Licensed in CA · A180664

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 A180664 (CA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

725 WELCH RD, Palo Alto, CA 94304

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Secondary Practice Location 1

Location 1999 N 92nd St Ste 730Milwaukee, WI 53226-4875 · Phone (414) 266-6800

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Chao 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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