MediFind found 39 doctor with experience in IgG4-Related Disease near Fountain Valley, CA. Of these, 28 are Experienced and 11 are Advanced.
Lalitha Ananth is a Rheumatologist in Huntington Beach, California. Dr. Ananth is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Rheumatoid Arthritis (RA), Palindromic Rheumatism, Psoriatic Arthritis, and Psoriasis.
Gharoon Panahi MD Inc.
Eric Panahi is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Panahi is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Lupus Nephritis, MAGIC Syndrome, Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, and Light Chain Deposition Disease (LCDD).
Gharoon Panahi MD Inc.
Gharoon Panahi is a Rheumatologist in Fountain Valley, California. Dr. Panahi is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Lupus Nephritis, Rheumatoid Arthritis (RA), Psoriasis, and Plaque Psoriasis.
Office
Tamara Fogarty is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Fogarty is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Homocystinuria, Methylmalonic Acidemia with Homocystinuria, Hypoparathyroidism, and Inborn Amino Acid Metabolism Disorder.
Optum - Harbor
Shirin Majdizadeh is a primary care provider, practicing in Internal Medicine in Santa Ana, California. Dr. Majdizadeh has been practicing medicine for over 20 years and is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Apparent Mineralocorticoid Excess, Familial Hyperaldosteronism, Hyperaldosteronism, Colonoscopy, and Endoscopy.
UCI Health-Costa Mesa Home Infusion Pharmacy
Khosrow Mahdavi is an Oncologist in Costa Mesa, California. Dr. Mahdavi is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Myelodysplastic Syndrome (MDS), Inflammatory Breast Cancer, Hemochromatosis, Paget Disease of the Breast, and Bone Marrow Aspiration.
Uc Regents
Sheetal Desai is a Rheumatologist in Orange, California. Dr. Desai is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Rheumatoid Arthritis (RA), Lupus Nephritis, Sarcoidosis, and Neurosarcoidosis.
Uc Regents
Dan Mandel is a Rheumatologist in Orange, California. Dr. Mandel is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Acute Febrile Neutrophilic Dermatosis, Scleritis, Calcium Pyrophosphate Arthritis, and Polyarteritis Nodosa.
Allergy Partners Of California
Chao-i Lin is an Allergy and Immunologist in Orange, California. Dr. Lin has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Hives, Allergic Rhinitis, Sinusitis, and Grass Allergy.
Consortio Healthcare Inc
Robin Dore is a Rheumatologist in Tustin, California. Dr. Dore is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Postmenopausal Osteoporosis, Rheumatoid Arthritis (RA), Osteoporosis, and Juvenile Primary Osteoporosis.
Optum - Chapman
Thomas Hryniewicki is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Hryniewicki has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, Purpura, and Cirrhosis.
Optum - Chapman
Ana Fajardo is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Fajardo has been practicing medicine for over 27 years and is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Gardner-Diamond Syndrome, Purpura, Autoerythrocyte Sensitivity, and Cirrhosis.
Optum - Chapman
Annette Bernhut is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Bernhut has been practicing medicine for over 42 years and is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Light Chain Deposition Disease (LCDD), Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, IgG4-Related Disease, and MAGIC Syndrome.
Hal Shimazu is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Shimazu is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are High Cholesterol, Cirrhosis, Gardner-Diamond Syndrome, and Autoerythrocyte Sensitivity. Dr. Shimazu is currently accepting new patients.
Laurie A. Mortara, M.D.
Nathaniel Neal is an Internal Medicine specialist and a Rheumatologist in Los Alamitos, California. Dr. Neal has been practicing medicine for over 47 years and is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Dermatomyositis, MAGIC Syndrome, IgG4-Related Disease, and Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections.
Hoag Clinic
Anny Wu is a Rheumatologist in Irvine, California. Dr. Wu is rated as an Advanced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Rheumatoid Arthritis (RA), Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcus Infections, IgG4-Related Disease, and Light Chain Deposition Disease (LCDD).
MemorialCare Medical Group - Santa Ana
Tiffany Prachachalerm is a primary care provider, practicing in Internal Medicine in Santa Ana, California. Dr. Prachachalerm is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Obesity in Children, and Food Allergy. Dr. Prachachalerm is currently accepting new patients.
Central City Community Health Center
Shafeeq Shamsiddeen is a primary care provider, practicing in General Practice in Stanton, California. Dr. Shamsiddeen has been practicing medicine for over 50 years and is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Schizoaffective Disorder, High Cholesterol, Vitamin D Deficiency, and Obesity in Children.
Socal Medical Group
Kathy Karamlou is a Rheumatologist in Newport Beach, California. Dr. Karamlou is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. Her top areas of expertise are Rhizomelic Pseudopolyarthritis, Rheumatoid Arthritis (RA), Ankylosing Spondylitis, and Rheumatoid Pneumoconiosis. Dr. Karamlou is currently accepting new patients.
UC Irvine Medical Center
Michael Cheng is a Rheumatologist in Orange, California. Dr. Cheng is rated as an Experienced provider by MediFind in the treatment of IgG4-Related Disease. His top areas of expertise are Rheumatoid Arthritis (RA), Psoriatic Arthritis, Psoriasis, Aneurysm Repair, and Gastrostomy. Dr. Cheng is currently accepting new patients.
Last Updated: 02/22/2026
