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Maritza E. Ruiz, MD

Pediatric Hematology Oncology
Accepting New Patients
CHOC Children's Specialists - Hematology Oncology
1201 West La Veta Avenue
Orange, CA 92868
26.3 miles away
(714) 509-8636
Medical Groups & Affiliations
Providence Affiliated Physicians, St. Joseph
Speaks: English
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CHOC Children's Specialists - Hematology Oncology

1201 West La Veta Avenue, Orange, CA 92868

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Insurances Accepted

This information provides an overview of accepted insurance plan types. Coverage may vary by specific plan. Please verify your with your insurance provider before visiting us for care.

Board Certifications
  • American Board of Pediatrics, Pediatrics
  • American Board of Pediatrics, Pediatric Hematology-Oncology
CHOC Children's Specialists - Hematology Oncology
1201 West La Veta Avenue
Orange, CA 92868
Medical Groups & Affiliations
Providence Affiliated Physicians, St. Joseph

Conditions and Procedures

  • Abnormal Protein
  • Acquired Elliptocytosis
  • Acquired Factor Inhibitor
  • Acute Lymphoblastic Leukemia (All)
  • Acute Myelogenous Leukemia (Aml)
  • Adjuvant Chemotherapy
  • Adjuvant Chemotherapy
  • Adolescent And Young Adult Cancer (Aya)
  • Adverse Effects To Anticoagulants
  • Alpha-Fetoprotein Tumor Marker Test
  • Alveolar Soft Part Sarcoma
  • Anemia
  • Antithrombin Deficiency
  • Askin's Tumor
  • Autoimmune (Aa) Amyloidosis
  • Autoimmune Neutropenia (Ain)
  • B12 Deficiency Anemia
  • Beckwith Wiedemann Syndrome
  • Bladder Cancer
  • Bladder Cancer Chemotherapy
  • Blastic Plasmacytoid Dendritic Cell Neoplasm
  • Bleeding Disorder
  • Bleeding Disorder Clinics
  • Blood Cancer
  • Blood Cancer Chemotherapy
  • Blood Disorders
  • Bone Marrow Aspiration
  • Bone Marrow Disorders
  • Bone Marrow Harvest
  • Bone Marrow Stimulation
  • Burkitt Lymphoma
  • Cancer
  • Cancer Chemotherapy
  • Cancer Immunotherapy
  • Cancer Survivor
  • Carcinoma Of Unknown Primary
  • Castleman's Disease
  • Chemoradiation
  • Chronic Myelocytic Leukemia
  • Clonal Cytopenia Of Undetermined Significance
  • Cns Lymphoma
  • Cooley Anemia
  • Cryoglobulinemia
  • Depressed Mood
  • Diffuse Intrinsic Pontine Glioma (Dipg)
  • Dyskeratosis Congenita
  • Egfr Mutation
  • Elevated Ferritin
  • Elevated Transferrin Saturation
  • Endocrine Complications Of Cancer Therapy
  • Epithelioid Hemangioendothelioma
  • Evans Syndrome
  • Ewings Sarcoma
  • Factor Eight Disorder
  • Factor Nine Deficiency
  • Factor Seven Deficiency
  • Factor Thirteen Deficiency
  • Familial Amyloidosis
  • Follicular T-Cell Lymphoma
  • Generalized Lymphatic Anomaly
  • Germ Cell Tumor
  • Germinoma
  • Gestational Thrombocytopenia
  • Giant Cell Tumor Of The Bone
  • Giant Platelet Syndrome
  • Glioma
  • Head And Neck Tumors
  • Hemoglobinopathies
  • Hemolytic Disease Of The Fetus
  • Hemolytic Uremic Syndrome
  • Hemophilia
  • Hemophilia Carrier
  • Hemophilia Inhibitors
  • Heparin Induced Thrombocytopenia
  • Hepatoblastoma
  • Hereditary Elliptocytosis (He)
  • Hereditary Spherocytosis
  • High Iron
  • Histiocytosis
  • Hydroxyurea Therapy
  • Hypercoagulable State
  • Hypogammaglobulinemia
  • Idiopathic Thrombocytopenic Purpura
  • Immune Effector Cell (Iec) Therapy
  • Immune Therapy
  • Iron Deficiency Anemia
  • Kaposiform Lymphangiomatosis
  • Kasabach Merritt Phenomenon (Kmp)
  • Langerhans Cell Histiocytosis
  • Leukemia
  • Leukemia Genomics
  • Leukopenia
  • Light Chain (Al) Amyloidosis
  • Long Term Side Effects Of Cancer Treatment
  • Lymphoma
  • Lymphoma Genomics
  • Lymphopenia
  • Malignant Granular Cell Tumor
  • Malignant Rhabdoid Tumor
  • Maternal Hematologic Disorders
  • Mediastinal Lymphadenopathy
  • Metastatic Blood Cancers
  • Metastatic Brain Cancer
  • Minimal Residual Disease
  • Mixed Phenotype Acute Leukemia (Mpal)
  • Monoclonal B-Cell Lymphocytosis
  • Monomac Syndrome
  • Musculoskeletal Tumor
  • Myelodysplastic Syndrome
  • Myeloproliferative Diseases
  • Nephroblastoma
  • Neuroblastoma
  • Neutropenia
  • Neutrophilia
  • Non Hodgkin Lymphoma
  • Nucleated Red Blood Cell Count
  • Optic Nerve Glioma
  • Oral Lesions
  • Pancytopenia
  • Paroxysmal Nocturnal Hemoglobinuria
  • Pediatric Cancer
  • Pediatric Stem Cell Collection For Transplant
  • Personal History Of Chemotherapy
  • Personal History Of Radiation Therapy
  • Petechiae
  • Plasmablastic Lymphoma
  • Plasmacytoma
  • Pleomorphic Xanthoastrocytomas
  • Polycythemia
  • Porphyria
  • Prostate Cancer Chemotherapy
  • Pulmonary Metastases
  • Purpura
  • Ras-Associated Autoimmune Leukoproliferative Disorder
  • Relapsed Acute Lymphoblastic Leukemia (All)
  • Relapsed Acute Myelogenous Leukemia (Aml)
  • Relapsed Hodgkin Lymphoma
  • Relapsed Non Hodgkin Lymphoma
  • Retinoblastoma
  • Rh Incompatibility
  • Rhabdomyosarcoma
  • Sarcoma
  • Secondary Cancer Screening
  • Secondary Polycythemia
  • Severe Congenital Neutropenia
  • Sickle Cell Disease
  • Solitary Plasmacytoma
  • Spherocytosis
  • Splenomegaly
  • Stem Cell Harvest
  • Submucosal Tumors
  • Systemic Mastocytosis
  • T-Cell Prolymphocytic Leukemia
  • Teratogen Exposure
  • Testicular Cancer Chemotherapy
  • Thalassemia
  • Thalassemia Trait
  • Thrombocytopenia
  • Thrombocytosis
  • Thrombophilia
  • Thrombotic Thrombocytopenic Purpura
  • Total Body Irradiation
  • Umbilical Cord Blood Transplant
  • Venous Occlusive Crisis
  • Von Willebrand Disease
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