Photo of Ivan I. Kirov, MD

Ivan I. Kirov, MD

Accepting New Patients
1201 West La Veta Avenue
Orange, CA 92868
2257.5 miles away
Speaks: English
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CHOC Children's Specialists - Hematology Oncology

1201 West La Veta Avenue, Orange, CA 92868

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About Ivan I. Kirov

A leading expert in pediatric oncology/hematology, Dr. Kirov serves as CHOC Children’s Specialists director of oncology, as well as the director of the lymphoma program and recurrent/refractory cancer program.

On the forefront of innovative research, Dr. Kirov’s clinical research interests include Hodgkin’s and Non-Hodgkin’s lymphomas, leukemia, stem cell transplantation and innovative therapies for patients with recurrent cancer. He is a principal investigator for Children’s Oncology Group (COG) Phase I studies at CHOC Children’s Hospital, and co-investigator in all ongoing COG studies. Dr. Kirov is a principal investigator in several pharmaceutical industry sponsored clinical studies in the areas of chronic myeloid leukemia and stem cell transplantation. A prolific and respected author, Dr. Kirov has written many publications and has been published in a number of journals including Bone Marrow Transplant and the Journal of Pediatric Hematology/Oncology.

Dedicated to clinical excellence, Dr. Kirov is board certified in pediatric hematology/oncology. He earned his medical degree from the Medical Academy in Sofia, Bulgaria. He completed his residency training and fellowship in pediatric and adult hematology in Bulgaria where he went on to become a leading pediatric hematologist/oncologist for more than 12 years. When Dr. Kirov relocated to the United States, he became a visiting fellow in the bone marrow transplant program at the Johns Hopkins Hospital Oncology Center. He then went on to complete a residency in pediatrics at Westchester County Medical Center, New York and postdoctoral fellowship in pediatric hematology/oncology at CHOC Children’s.

Board Certifications
  • American Board of Pediatrics, Pediatric Hematology-Oncology
CHOC Children's Specialists - Hematology Oncology
1201 West La Veta Avenue
Orange, CA 92868

Affiliated Locations
Providence St. Joseph Hospital - Orange

Clinical Interests

  • Adverse Effects To Anticoagulants
  • Anemia
  • Bleeding Disorder
  • Blood Cancer
  • Blood Disorders
  • Bone Marrow Disorders
  • Breast Cancer
  • Breast Cancer Chemotherapy
  • Breast Cancer Genomics
  • Cancer
  • Cancer Chemotherapy
  • Cancer Pain
  • Cancer Related Fatigue
  • Cancer Risk Assessment
  • Cancer Survivor
  • Carcinoma Of Unknown Primary
  • Chemoradiation
  • Clinical Trials
  • Colorectal Cancer
  • Endocrine Complications Of Cancer Therapy
  • Endometrial Cancer
  • Giant Cell Tumor Of The Bone
  • Gynecologic Cancer Genomics
  • Head And Neck Cancer
  • Hellp Syndrome
  • Hematologic Malignancies
  • Hemoglobinopathies
  • Idiopathic Thrombocytopenic Purpura
  • Iron Deficiency Anemia
  • Leukopenia
  • Lung Cancer
  • Lymphedema Therapy
  • Lymphoma
  • Lymphopenia
  • Melanoma
  • Melanoma Of The Rectum
  • Melanoma On Foot
  • Melanoma On Leg
  • Melanoma On Toe
  • Melanoma On Trunk
  • Melanoma Surgery
  • Metastatic Liver Cancer
  • Metastatic Prostate Cancer
  • Musculoskeletal Tumor
  • Myelodysplastic Syndrome
  • Myeloproliferative Diseases
  • Neutropenia
  • Non Hodgkin Lymphoma
  • Oral Complications Of Cancer
  • Osteosarcoma
  • Pancytopenia
  • Petechiae
  • Polycythemia
  • Pulmonary Metastases
  • Retroperitoneal Mass
  • Sarcoma
  • Secondary Polycythemia
  • Side Effects Of Cancer Treatment
  • Splenomegaly
  • Squamous Cell Carcinoma Of The Head And Neck
  • Stomach Cancer
  • Submucosal Tumors
  • Sweat Gland Carcinoma
  • Targeted Molecular Therapy
  • Thalassemia
  • Thoracic Cancer
  • Thrombocytopenia
  • Thrombophilia
  • Thyroid Cancer
  • Tracheal Cancer
  • Unknown Primary Cancer
  • Von Willebrand Disease
  • Waldenstrom Macroglobulinemia