The 20 Best Leukocytosis Doctors Near Me in Orange, CA

Find the Top Leukocytosis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 61 doctor with experience in Leukocytosis near Orange, CA. Of these, 59 are Experienced and 2 are Advanced.

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61 providers found
    Experienced in Leukocytosis
    Pediatric Hematology Oncology
    Experienced in Leukocytosis
    Pediatric Hematology Oncology
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jamie Frediani is a Pediatric Hematologist Oncology provider practicing medicine in Orange, California. Dr. Frediani is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Febrile Neutropenia, Hepatoblastoma, and Leukemia. Dr. Frediani is currently accepting new patients.

    Experienced in Leukocytosis
    Hematology Oncology
    Experienced in Leukocytosis
    Hematology Oncology
    363 South Main Street, Suite 485, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Stavroula Otis is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Otis is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Follicular Lymphoma, Myelodysplastic Syndrome (MDS), Agranulocytosis, and Anemia. Dr. Otis is currently accepting new patients.

    Experienced in Leukocytosis
    Hematology Oncology
    Experienced in Leukocytosis
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sam Huang is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Squamous Cell Lung Carcinoma, ALK-Positive Non-Small Cell Lung Cancer, Lung Adenocarcinoma, and Small Cell Lung Cancer (SCLC). Dr. Huang is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Leukocytosis
    Hematology Oncology
    Experienced in Leukocytosis
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Madhavi Mummaneni is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Mummaneni is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Pleuropulmonary Blastoma, Inflammatory Breast Cancer, and Iron Deficiency Anemia. Dr. Mummaneni is currently accepting new patients.

    Experienced in Leukocytosis
    Hematology Oncology
    Experienced in Leukocytosis
    Hematology Oncology
    1010 West La Veta Avenue, Suite 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Xinyu Nan is a Hematologist Oncology provider practicing medicine in Orange, California. Dr. Nan is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Deep Vein Thrombosis, Familial Colorectal Cancer, Inflammatory Breast Cancer, Colorectal Cancer, and Bone Marrow Aspiration. Dr. Nan is currently accepting new patients.

    Experienced in Leukocytosis
    Hematology | Oncology
    Experienced in Leukocytosis
    Hematology | Oncology

    Office

    101 The City Dr S Bldg 23, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Piyanuch Kongtim is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Kongtim is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Leukemia, Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Bone Marrow Transplant, and Bone Graft.

    Experienced in Leukocytosis
    Experienced in Leukocytosis

    UCI Health Chao Family Comprehensive Cancer Center

    101 The City Dr S Bldg 23, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammadbagher Ziari is an Oncologist practicing medicine in Orange, California. Dr. Ziari is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Breast Cancer, and Paget Disease of the Breast.

    Experienced in Leukocytosis
    Hematology | Oncology
    Experienced in Leukocytosis
    Hematology | Oncology

    Hematology Oncology Medical Group

    1010 W La Veta Ave Ste 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cindy Tran is a Hematologist and an Oncologist practicing medicine in Orange, California. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Inflammatory Breast Cancer.

    Experienced in Leukocytosis
    Experienced in Leukocytosis

    Hematology Oncology Medical Group

    1010 W La Veta Ave Ste 200, 
    Orange, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Tiberio Lindgren is an Oncologist practicing medicine in Orange, California. Dr. Lindgren is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Lung Cancer, Pleuropulmonary Blastoma, and Inflammatory Breast Cancer.

    Experienced in Leukocytosis
    Experienced in Leukocytosis

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Angela Fleischman is an Oncologist practicing medicine in Orange, California. Dr. Fleischman is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Myeloproliferative Neoplasms (MPN), Myelofibrosis, Polycythemia Vera, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Leukocytosis
    Experienced in Leukocytosis

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Stefan Ciurea is a Hematologist practicing medicine in Orange, California. Dr. Ciurea is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Acute Myeloid Leukemia (AML), Graft Versus Host Disease (GvHD), Leukemia, Bone Marrow Transplant, and Bone Marrow Aspiration.

    Experienced in Leukocytosis
    Experienced in Leukocytosis

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Nataliya Mar is an Oncologist practicing medicine in Orange, California. She has been practicing medicine for over 17 years. Dr. Mar is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 18 other conditions, according to our data. Her clinical expertise encompasses Urothelial Cancer, Muscle Invasive Bladder Cancer, Bladder Cancer, Renal Cell Carcinoma (RCC), and Orchiectomy.

    Experienced in Leukocytosis
    Experienced in Leukocytosis

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Elizabeth Brem is a Hematologist practicing medicine in Orange, California. Dr. Brem is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Non-Hodgkin Lymphoma, Diffuse Large B-Cell Lymphoma (DLBCL), Large-Cell Immunoblastic Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant.

    Experienced in Leukocytosis
    Hematology
    Experienced in Leukocytosis
    Hematology

    UCI Health

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Zahra Pakbaz is a Hematologist practicing medicine in Orange, California. Dr. Pakbaz is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Anemia, Thalassemia, Hemoglobinopathy, and Congenital Hemolytic Anemia.

    Experienced in Leukocytosis
    Hematology Oncology | Hematology
    Experienced in Leukocytosis
    Hematology Oncology | Hematology

    Uc Regents

    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Andreea Nanci is a Hematologist Oncology specialist and a Hematologist practicing medicine in Orange, California. Dr. Nanci is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Inflammatory Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Chronic Lymphocytic Leukemia (CLL).

    Experienced in Leukocytosis
    Internal Medicine
    Experienced in Leukocytosis
    Internal Medicine

    The Oncology Institute Of Hope And Innovation

    999 N Tustin Ave, 
    Santa Ana, CA 
     (2.7 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Offers Telehealth

    Daniel Huang is an Internal Medicine provider practicing medicine in Santa Ana, California. He has been practicing medicine for over 24 years. Dr. Huang is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Familial Colorectal Cancer, Breast Cancer, and Stomach Cancer. Dr. Huang is board certified in American Board Of Internal Medicine.

    Experienced in Leukocytosis
    Hematology Oncology
    Experienced in Leukocytosis
    Hematology Oncology
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sanjay Sharma is a Hematologist Oncology provider practicing medicine in Fullerton, California. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 39 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Inflammatory Breast Cancer, Angiosarcoma, and Clear Cell Sarcoma. Dr. Sharma is currently accepting new patients.

    Experienced in Leukocytosis
    Hematology Oncology
    Experienced in Leukocytosis
    Hematology Oncology
    2151 North Harbor Boulevard, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Monica Lee is a Hematologist Oncology provider practicing medicine in Fullerton, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. She is also highly rated in 16 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Pancreatic Cancer. Dr. Lee is currently accepting new patients.

    Experienced in Leukocytosis
    Hematology Oncology | Oncology
    Experienced in Leukocytosis
    Hematology Oncology | Oncology
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Yung Lyou is a Hematologist Oncology specialist and an Oncologist practicing medicine in Fullerton, California. Dr. Lyou is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Prostate Cancer, Renal Cell Carcinoma (RCC), Familial Prostate Cancer, Chromophobe Renal Cell Carcinoma, and Hormone Replacement Therapy (HRT). Dr. Lyou is currently accepting new patients.

    Experienced in Leukocytosis
    Hematology Oncology
    Experienced in Leukocytosis
    Hematology Oncology
    2151 North Harbor Boulevard, Suite 2100, 
    Fullerton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Park is a Hematologist Oncology provider practicing medicine in Fullerton, California. Dr. Park is rated as an Experienced provider by MediFind in the treatment of Leukocytosis. He is also highly rated in 53 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Non-Hodgkin Lymphoma, Lung Cancer, and Neuroendocrine Tumor. Dr. Park is currently accepting new patients.

    Showing 1-20 of 61

    Last Updated: 04/28/2026

    When should I see a Leukocytosis doctor near Orange, CA?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Leukocytosis doctor near Orange, CA?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Leukocytosis doctors near Orange, CA?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Leukocytosis doctors near Orange, CA?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Leukocytosis doctor near Orange, CA?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Leukocytosis doctor search results page. 

    Why is it important to get a second opinion from a different Leukocytosis doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Leukocytosis doctor near Orange, CA?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Leukocytosis doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Leukocytosis doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Leukocytosis doctors near Orange, CA?

    Look for the filter feature on the left side of the Leukocytosis doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Leukocytosis doctor that offers video calls?

    Look for the filter feature on the left-side of the Leukocytosis doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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