

Pediatrics
Robert Hayashi, MD
Saint Louis, MO
Dr. Robert Hayashi, MD is a Pediatrics Specialist who practices in Saint Louis, MO. He is 67 years old and has been practicing for 40 years.
Peer Recognition
- Castle Connolly — Top Doctor
2007-2026 (20 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Pediatric Hematology-Oncology
Conditions & Treatments
LymphomaSickle Cell DiseasePediatric LeukemiaPediatric LymphomaPediatric Bone Marrow TransplantPediatric SarcomaBone Marrow TransplantPediatric CancerPediatric Solid TumorsPediatric Hematology-Oncology
Practice Details
Hospital Affiliations
- Barnes-Jewish West County Hospital