MediFind found 33 doctor with experience in GTP Cyclohydrolase 1 Deficiency near Orange, CA. Of these, 32 are Experienced and 1 are Advanced.
Uc Regents
Mohammadbagher Ziari is a Hematologist Oncology specialist and a Hematologist in Orange, California. Dr. Ziari is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Paget Disease of the Breast, and Inflammatory Breast Cancer.
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 GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Pleuropulmonary Blastoma, Lynch Syndrome, Colorectal Cancer, and Familial Colorectal Cancer.
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 GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Clear Cell Sarcoma, Renal Cell Carcinoma (RCC), Chromophobe Renal Cell Carcinoma, WT1-Related Wilms Tumor Syndromes, and Prostatectomy.
Kasein Gonzalez is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Gonzalez is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Obesity in Children, Obesity, Type 2 Diabetes (T2D), Osteomyelitis in Children, and Bladder Reconstruction. Dr. Gonzalez is currently accepting new patients.
Regents Of The University Of
Renee Pace is a primary care provider, practicing in Geriatrics and Family Medicine in Orange, California. Dr. Pace has been practicing medicine for over 9 years and is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Diabetic Nephropathy, and Infant Hyperglycemia. Dr. Pace is currently accepting new patients.
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 GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Myelodysplastic Syndrome (MDS), Inflammatory Breast Cancer, Hemochromatosis, Paget Disease of the Breast, and Bone Marrow Aspiration.
Uc Regents
Lisa Lee is a Hematologist Oncology specialist and a Hematologist in Orange, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Multiple Myeloma, Relapsed Refractory Multiple Myeloma (RRMM), Monoclonal Gammopathy of Undetermined Significance (MGUS), Bone Marrow Aspiration, and Tissue Biopsy.
Southern California Hospitalist Network Medical Group Inc
Sophia Kangarlu is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Kangarlu is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Sepsis, Apoplexy, Ogilvie Syndrome, Gastrostomy, and Endoscopy.
Centers For Family Medicine Gp
Karen Lau is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Lau is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Folate Deficiency, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Subacute Combined Degeneration.
Jose Cilliani is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Cilliani is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Vitamin D Deficiency, Osteomyelitis in Children, Homocystinuria, and Methylmalonic Acidemia with Homocystinuria.
Christine Akparanta is a primary care provider, practicing in Family Medicine in Tustin, California. Dr. Akparanta is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Obesity in Children, Food Allergy, Chlamydia, and Familial Hypertriglyceridemia. Dr. Akparanta is currently accepting new patients.
Southern California Permanente Medical Group
Merin Stephen is a Hematologist Oncology specialist and a Hematologist in Anaheim, California. Dr. Stephen has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Familial Pancreatic Cancer, Olfactory Neuroblastoma, Teratocarcinosarcoma, and Anemia.
Gn Medical Associates, Inc
Wesam Houshan is a primary care provider, practicing in Internal Medicine in Santa Ana, California. Dr. Houshan is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Glyceraldehyde-3-Phosphate Dehydrogenase Deficiency, GTP Cyclohydrolase 1 Deficiency, Pseudocholinesterase Deficiency, and Dermatomyositis.
Gn Medical Associates, Inc
Michael Pietila is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Pietila is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Seasonal Affective Disorder (SAD), Landau-Kleffner Syndrome, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.
Physicians Clinic Inc
Misty Janssen is a primary care provider, practicing in Family Medicine in Fremont, Nebraska. Dr. Janssen is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Premature Ovarian Failure, Hypothyroidism, High Cholesterol, and Familial Hypertension. Dr. Janssen is currently accepting new patients.
Memorialcare Medical Foundation
Ji Lee is a primary care provider, practicing in Family Medicine in Costa Mesa, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Cirrhosis, Diabetic Hyperglycemic Hyperosmolar Syndrome, Familial Combined Hyperlipidemia, and Xanthoma.
Hung Doan is a primary care provider, practicing in Family Medicine in Garden Grove, California. Dr. Doan is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Obesity in Children, High Cholesterol, Obesity, and Type 2 Diabetes (T2D).
Hoag Clinic
Brian Paik is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Paik is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are High Cholesterol, Peripheral Artery Disease, Chronic Pain, and Glucocorticoid-Remediable Aldosteronism.
Monica Lee is a Hematologist Oncology provider in Fullerton, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Angiosarcoma, and Multiple Carboxylase Deficiency. Dr. Lee is currently accepting new patients.
Amy Alias is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Alias is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Macroamylasemia, Anemia, Postmenopausal Osteoporosis, and Osteoporosis. Dr. Alias is currently accepting new patients.
Last Updated: 10/30/2025