Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Karen S Fernandez, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1417147174

Karen S Fernandez, MD is a Pediatric Medicine in Palo Alto, California. Qualified in 2001, 25 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in California and Ohio.

Years since qualifying
25
Licensed in
CA, OH
In the registry since
2007
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

725 Welch Rd
Palo Alto, CA 94304-1601
Phone: (650) 497-8000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 700 Childrens Dr, Columbus, OH 43205-2664 — (614) 722-3553

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence C145224 (CA)
Pediatric Hematology & Oncology Physician Taxonomy 2080P0207X · Licence 57.012520 (OH)
Pediatric Hospice and Palliative Medicine Physician Taxonomy 2080H0002X · Licence C145224 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence C145224 (CA)

Record details

NPI number1417147174
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 30, 2007
Last updated in NPPESSeptember 3, 2025
Certification dateSeptember 3, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Palo Alto