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

Dr. Leonard S Sender, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1952499741

Dr. Leonard S Sender, MD is a Hematology/Oncology in El Segundo, California. Qualified in 1982, 44 years ago. Practices with Immuno-Oncology Clinic Inc, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
44
Licensed in
CA
In the registry since
2006
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

2040 E Mariposa Ave
El Segundo, CA 90245
Phone: (213) 266-5600
Show map & directions

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

Additional practice locations (1)

  • 455 S Main St, Orange, CA 92868-3835 — (714) 532-8636

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence A41293 (CA)

Record details

NPI number1952499741
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2006
Last updated in NPPESOctober 1, 2018

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Immuno-Oncology Clinic Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount