Advanced in Pure Red Cell Aplasia

Dr. Maritza E. Ruiz

Pediatric Hematology Oncology
Providence
1201 West La Veta Avenue, 
Orange, CA 

Advanced in Pure Red Cell Aplasia
Providence
1201 West La Veta Avenue, 
Orange, CA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Maritza Ruiz is a Pediatric Hematologist Oncology provider in Orange, California. Dr. Ruiz is rated as an Advanced provider by MediFind in the treatment of Pure Red Cell Aplasia. Her top areas of expertise are Hereditary Spherocytosis, Immune Thrombocytopenic Purpura (ITP), Febrile Neutropenia, and Evans Syndrome.

Her clinical research consists of co-authoring 7 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years.

Specialties
Pediatric Hematology Oncology
Licenses
Pediatric Hematology-Oncology in CA
Languages Spoken
English
Gender
Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
View 1 Less Insurance Carrier -

Locations

1201 West La Veta Avenue, Orange, CA 92868
Call: 714-509-8636

Additional Areas of Focus

Dr. Ruiz has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Immune Thrombocytopenic Purpura (ITP)

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


1 Clinical Trials

A Randomized Phase 3 Study of Brentuximab Vedotin (SGN-35) for Newly Diagnosed High-Risk Classical Hodgkin Lymphoma (cHL) in Children and Young Adults
A Randomized Phase 3 Study of Brentuximab Vedotin (SGN-35) for Newly Diagnosed High-Risk Classical Hodgkin Lymphoma (cHL) in Children and Young Adults
Enrollment Status: Active_not_recruiting
Publish Date: December 01, 2025
Intervention Type: Other, Drug, Biological
Study Drugs: Bleomycin, Brentuximab, Cyclophosphamide, Doxorubicin, Etoposide, Methylprednisolone, Prednisone, Vincristine
Study Phase: Phase 3

7 Total Publications

Eltrombopag for Newly Diagnosed Pediatric Immune Thrombocytopenia Requiring Treatment: The PINES Randomized Clinical Trial.
Eltrombopag for Newly Diagnosed Pediatric Immune Thrombocytopenia Requiring Treatment: The PINES Randomized Clinical Trial.
Journal: JAMA
Published: October 22, 2025
View All 7 Publications
Similar Doctors
Advanced in Pure Red Cell Aplasia
Dr. Thomas C. Hofstra
Pediatric Hematology Oncology
Advanced in Pure Red Cell Aplasia
Dr. Thomas C. Hofstra
Pediatric Hematology Oncology

Childrens Hospital Los Angeles Medical Group Inc

4650 W Sunset Blvd, 
Los Angeles, CA 
 (32.7 miles away)
323-361-8408
Languages Spoken:
English
See accepted insurances

Thomas Hofstra is a Pediatric Hematologist Oncology provider in Los Angeles, California. Dr. Hofstra is rated as a Distinguished provider by MediFind in the treatment of Pure Red Cell Aplasia. His top areas of expertise are Thalassemia, Congenital Hemolytic Anemia, Hemolytic Anemia, and Beta Thalassemia.

Advanced in Pure Red Cell Aplasia
Dr. Nina X. Hwang
Pediatric Hematology Oncology
Advanced in Pure Red Cell Aplasia
Dr. Nina X. Hwang
Pediatric Hematology Oncology
1201 West La Veta Avenue, 
Orange, CA 
 (0.1 miles away)
714-509-8636
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Nina Hwang is a Pediatric Hematologist Oncology provider in Orange, California. Dr. Hwang is rated as an Advanced provider by MediFind in the treatment of Pure Red Cell Aplasia. Her top areas of expertise are Shwachman-Diamond Syndrome, Ataxia-Pancytopenia Syndrome, Hemophilia A, and Fanconi Anemia. Dr. Hwang is currently accepting new patients.

Advanced in Pure Red Cell Aplasia
Dr. Loan Hsieh
Pediatric Hematology Oncology
Advanced in Pure Red Cell Aplasia
Dr. Loan Hsieh
Pediatric Hematology Oncology
1010 W La Veta Ave, 
Orange, CA 
 (0.2 miles away)
714-221-1200
Languages Spoken:
English
See accepted insurances

Loan Hsieh is a Pediatric Hematologist Oncology provider in Orange, California. Dr. Hsieh is rated as an Advanced provider by MediFind in the treatment of Pure Red Cell Aplasia. Her top areas of expertise are Hereditary Spherocytosis, Thalassemia, Hemolytic Anemia, Shwachman-Diamond Syndrome, and Splenectomy.

VIEW MORE PURE RED CELL APLASIA DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Ruiz's expertise for a condition
ConditionClose
      • Advanced
      • Acquired Amegakaryocytic Thrombocytopenia
        Dr. Ruiz is
        Advanced
        . Learn about Acquired Amegakaryocytic Thrombocytopenia.
        See more Acquired Amegakaryocytic Thrombocytopenia experts
      • Aplastic Anemia
        Dr. Ruiz is
        Advanced
        . Learn about Aplastic Anemia.
        See more Aplastic Anemia experts
      • Ataxia-Pancytopenia Syndrome
        Dr. Ruiz is
        Advanced
        . Learn about Ataxia-Pancytopenia Syndrome.
        See more Ataxia-Pancytopenia Syndrome experts
      • Beta Thalassemia
        Dr. Ruiz is
        Advanced
        . Learn about Beta Thalassemia.
        See more Beta Thalassemia experts
      • Congenital Aplastic Anemia
        Dr. Ruiz is
        Advanced
        . Learn about Congenital Aplastic Anemia.
        See more Congenital Aplastic Anemia experts
      • Congenital Hemolytic Anemia
        Dr. Ruiz is
        Advanced
        . Learn about Congenital Hemolytic Anemia.
        See more Congenital Hemolytic Anemia experts
      View All 15 Advanced Conditions
      • Experienced
      • Acquired Agranulocytosis
        Dr. Ruiz is
        Experienced
        . Learn about Acquired Agranulocytosis.
        See more Acquired Agranulocytosis experts
      • Acute Erythroid Leukemia (AEL)
        Dr. Ruiz is
        Experienced
        . Learn about Acute Erythroid Leukemia (AEL).
        See more Acute Erythroid Leukemia (AEL) experts
      • Acute Lymphoblastic Leukemia (ALL)
        Dr. Ruiz is
        Experienced
        . Learn about Acute Lymphoblastic Leukemia (ALL).
        See more Acute Lymphoblastic Leukemia (ALL) experts
      • Alpha Thalassemia
        Dr. Ruiz is
        Experienced
        . Learn about Alpha Thalassemia.
        See more Alpha Thalassemia experts
      • Anemia
        Dr. Ruiz is
        Experienced
        . Learn about Anemia.
        See more Anemia experts
      • Glucose-6-Phosphate Dehydrogenase Deficiency
        Dr. Ruiz is
        Experienced
        . Learn about Glucose-6-Phosphate Dehydrogenase Deficiency.
        See more Glucose-6-Phosphate Dehydrogenase Deficiency experts
      View All 16 Experienced Conditions
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