Summary

Dr. Leo Mascarenhas is an oncologist who has dedicated 37 years to treating cancer patients. He earned his medical degree from the University of Southern California and completed his residency training at St. John's Medical College Hospital in 1990, followed by additional residency work at New York Medical College in 1995. Dr. Mascarenhas furthered his specialized training with a fellowship at Children's Hospital Los Angeles in 1999. He holds board certification in Pediatrics from the American Board of Pediatrics and communicates with patients in English.

Dr. Mascarenhas practices at Children's Hospital Los Angeles and sees patients at the Samuel Oschin Cancer Center in Los Angeles, California. His expertise focuses on treating complex cancers including rhabdomyosarcoma and various types of sarcomas, particularly soft tissue sarcomas. He performs essential diagnostic procedures such as complete blood counts and white blood cell differential tests to monitor patient health. Mascarenhas also conducts creatinine and creatinine clearance tests to evaluate kidney function during treatment. Patients rate him 4.0 out of 5 stars for his compassionate care and clinical expertise.
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Overview based on verified provider data

Quick Facts

  • 4
  • 37 years of experience
  • 28 insurance plans accepted
  • speaks English
  • Children’s Hospital Los Angeles
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Samuel Oschin Cancer Center

127 S San Vicente Blvd # 7Los Angeles, CA 90048
Mon8:00 am - 5:30 pm
Tue8:00 am - 5:30 pm
Wed8:00 am - 5:30 pm
Thu8:00 am - 5:30 pm
Fri8:00 am - 5:30 pm
SatClosed
SunClosed

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Leo Mascarenhas, MDDr. Shahrooz Eshaghian, MD, FACPDr. Ronald Tang, DODr. Virginia Von Schaefer, MD
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
37 Years of Experience 20 Years of Experience 18 Years of Experience 43 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English, Farsi, Hebrew Speaks English, Cantonese, Spanish Speaks English
Los Angeles , CALos Angeles , CAMontebello , CASan Clemente , CA
Med School: University of Southern California Med School: Albert Einstein College of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Columbia University College Of Physicians & Surgeons
Current Profile
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Insurance Plans Accepted by Leo Mascarenhas

  • Aetna
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima
  • CalOptima - HMO
  • Cigna
  • Empire Plan
  • Health Net - HMO
  • HealthSmart
  • Humana - HMO
  • Imperial Health Plan of California
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Molina Healthcare
  • Optum Health
  • SelectHealth
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Leo Mascarenhas has the following specialty

Specialty Expertise

Leo Mascarenhas has the following 12 areas of expertise

  • Acute Myeloid Leukemia
  • Cancer
  • Chronic B-Cell Lymphocytic Leukemia
  • Chronic Myeloid Leukemia
  • Developmental Disorders
  • Epidemiology
  • Female Infertility
  • Leukemia
  • Lymphoma
  • Myelodysplastic Syndromes
  • Soft Tissue Cancer (Sarcoma)
  • Transplantation

Certifications, License, & Education

37 Years Experience

Leo Mascarenhas holds an expired medical license in the state of California. They are board certified in Pediatrics by the American Board of Pediatrics.

Board Certifications

Board certified in Pediatrics by the American Board of Pediatrics.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Fellowship

Completed their fellowship at Children’s Hospital Los Angeles in 1999.

Residency

Completed their residency at New York Medical College in 1995 and St. John’s Medical College Hospital in 1990.

Medical School

Graduated from University of Southern California in 2008 and St. John’s Medical College in 1989.

NPI Number

Leo Mascarenhas' NPI number is 1417057225.

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Frequently Asked Questions

Does Leo Mascarenhas accept virtual/telehealth appointments?
Leo Mascarenhas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Leo Mascarenhas's office located?
Leo Mascarenhas's office is located at 127 S San Vicente Blvd # 7, Los Angeles, CA, 90048.
How can I make an appointment with Leo Mascarenhas?
You can find contact information for Leo Mascarenhas here on Vitals.
Is Leo Mascarenhas accepting new patients?
Leo Mascarenhas has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Leo Mascarenhas accept my insurance?
You can see the insurance plans that Leo Mascarenhas accepts on their Vitals profile.

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