MediFind found 111 doctor with experience in Primary Immunodeficiency (PID) near Orange, CA. Of these, 96 are Experienced, 13 are Advanced, 1 are Distinguished and 1 are Elite.
Gottschalk Medical Plaza-Dermatology
Sudhir Gupta is a Dermatologist in Irvine, California. Dr. Gupta is rated as an Elite provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Primary Immunodeficiency (PID), Common Variable Immune Deficiency, X-Linked Agammaglobulinemia, and Immunodeficiency with Hyper IgM Type 1.
Uc Regents
Misagh Karimi is a Hematologist Oncology specialist and a Hematologist in Orange, California. Dr. Karimi is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Paget Disease of the Breast.
Ata Rahbar is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Rahbar is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Apparent Mineralocorticoid Excess, Hyperaldosteronism, Familial Hyperaldosteronism, Gastrostomy, and Bone Marrow Aspiration. Dr. Rahbar is currently accepting new patients.
Catherine Garcia is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Garcia is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Familial Hypertriglyceridemia. Dr. Garcia is currently accepting new patients.
Ye Jung is an Allergy and Immunologist in Orange, California. Dr. Jung is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Grass Allergy, Allergic Rhinitis, Nonallergic Rhinopathy, and Ozena. Dr. Jung is currently accepting new patients.
Shahab Zahed is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Zahed is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Primary Immunodeficiency (PID), Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Spinal Muscular Atrophy (SMA), Hip Replacement, and Gastrostomy. Dr. Zahed is currently accepting new patients.
Donald Levy is an Allergy and Immunologist in Orange, California. Dr. Levy is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Hives, Angioedema, Hereditary Angioedema, and Grass Allergy. Dr. Levy is currently accepting new patients.
Bardia Sadr is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Sadr is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Sepsis, Peptic Ulcer, Necrosis, Primary Immunodeficiency (PID), and Gastrostomy. Dr. Sadr is currently accepting new patients.
Diem-tran Nguyen is an Allergy and Immunologist in Orange, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Ozena, Nonallergic Rhinopathy, Hives, and Allergic Rhinitis. Dr. Nguyen is currently accepting new patients.
Alvin Chang is a primary care provider, practicing in Internal Medicine in Santa Ana, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Type 2 Diabetes (T2D), Schizoaffective Disorder, Osteomyelitis in Children, Vitamin D Deficiency, and Gastrostomy. Dr. Chang is currently accepting new patients.
Otto Liao is an Allergy and Immunologist in Tustin, California. Dr. Liao is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Allergic Rhinitis, Sinusitis, Allergic Conjunctivitis, and Conjunctivitis (Pink Eye). Dr. Liao is currently accepting new patients.
City Of Hope Medical Foundation
Sudarsan Kollimuttathuillam is a Hematologist Oncology specialist and a Hematologist in Irvine, California. Dr. Kollimuttathuillam is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Dehydration, and Agranulocytosis.
City Of Hope Medical Foundation
Luke Chen is a Hematologist Oncology specialist and a Hematologist in Irvine, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Chromophobe Renal Cell Carcinoma, WT1-Related Wilms Tumor Syndromes, Gastrointestinal Stromal Tumor, and Mesenchymoma.
City Of Hope Medical Foundation
Danny Nguyen is a Hematologist Oncology specialist and a Hematologist in Irvine, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are EGFR Positive Lung Cancer, Lung Cancer, Pleuropulmonary Blastoma, and Non-Small Cell Lung Cancer (NSCLC).
Warner Carr is an Allergy and Immunologist in Irvine, California. Dr. Carr is rated as an Advanced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Allergic Rhinitis, Allergic Conjunctivitis, Sinusitis, and Conjunctivitis (Pink Eye). Dr. Carr is currently accepting new patients.
Bryn Henderson is an Allergy and Immunologist and a Geriatrics provider in Orange, California. Dr. Henderson is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Dehydration, Vitamin D Deficiency, Muscle Spasms, and Cerebellar Degeneration.
Providence Medical Foundation
Bryan Nam is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Nam has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Sepsis, Hospital-Acquired Pneumonia, Atypical Pneumonia, Endoscopy, and Bone Graft.
Providence Medical Foundation
Shirin Majdizadeh is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Majdizadeh is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). Her top areas of expertise are Apparent Mineralocorticoid Excess, Familial Hyperaldosteronism, Hyperaldosteronism, Colonoscopy, and Endoscopy.
Providence Medical Foundation
Allen Houshiar is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Houshiar is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), New Daily Persistent Headache (NDPH), Sinusitis, and Empyema.
Uc Regents
Khosrow Mahdavi is a Hematologist Oncology specialist and a Hematologist in Orange, California. Dr. Mahdavi is rated as an Experienced provider by MediFind in the treatment of Primary Immunodeficiency (PID). His top areas of expertise are Myelodysplastic Syndrome (MDS), Inflammatory Breast Cancer, Hemochromatosis, Paget Disease of the Breast, and Bone Marrow Aspiration.
Last Updated: 01/09/2026