KAREN S FERNANDEZ MD
NPI 1417147174
Pediatrics - Pediatric Hematology-Oncology in Palo Alto, CA

Q: What is Karen Fernandez's NPI number?

The NPI number for Karen Fernandez is 1417147174. It was assigned to this individual provider in the NPPES registry on July 30, 2007.

Q: What is Karen Fernandez'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 Fernandez was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since July 30, 2007PECOS EnrolledAccepts Medicare Assignment

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

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Karen S Fernandez Md NPPES

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

KAREN S FERNANDEZ MD (NPI 1417147174) is an individual pediatric hematology-oncology provider in Palo Alto, California, licensed in California (C145224) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1417147174

Entity TypeIndividualFemale

Primary Taxonomy2080P0207X

Provider Legal NameKAREN S FERNANDEZCredential: 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 ProprietorYes

Medical School CMSOtherGraduated 2001

Enumeration DateJuly 30, 2007

Last NPPES UpdateSeptember 3, 2025

NPPES CertifiedSeptember 3, 2025

✔ NPI 1417147174 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0207X

Licenses✔ Licensed in CA · C145224✔ Licensed in OH · 57.012520

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 C145224 (CA)

Also ListedPediatrics · Hospice and Palliative MedicineTaxonomy 2080H0002X · License C145224 (CA)

725 WELCH RD, Palo Alto, CA 94304

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen S Fernandez Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244382026

PECOS Enrollment IDI20250903001629

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.

EIRI INENAGA MS, OTR/L

Occupational Therapist (Pediatrics)