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    Last Updated: 10/30/2025

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    MediFind found 24 doctor with experience in GTP Cyclohydrolase 1 Deficiency near Newport Beach, CA. Of these, 24 are Experienced.

    Location
    LocationClose
    24 providers found
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology

      City Of Hope Medical Foundation

      16300 Sand Canyon Ave, Suite 207, 
      Irvine, CA 
       (7.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology

      City Of Hope Medical Foundation

      16300 Sand Canyon Ave, Suite 207, 
      Irvine, CA 
       (7.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      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.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Oncology | Hematology
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Oncology | Hematology

      Memorialcare Medical Foundation

      1441 Avocado Ave, Suite 301, 
      Newport Beach, CA 
       (0.7 miles away)
      Languages Spoken:
      English

      Wael Harb is a Hematologist Oncology specialist and an Oncologist in Newport Beach, California. Dr. Harb is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Lung Cancer, Breast Cancer, Protein S Deficiency, and Protein C Deficiency.

      Learn about our expert tiers
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Internal Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Internal Medicine
      400 Newport Center Dr, Suite 608, 
      Newport Beach, CA 
       (0.7 miles away)
      Languages Spoken:
      English

      Ronald Tilsen is a primary care provider, practicing in Internal Medicine in Newport Beach, California. Dr. Tilsen is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Cholangiocarcinoma (Bile Duct Cancer).

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology | Hematology Oncology | Oncology
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology | Hematology Oncology | Oncology

      City Of Hope Medical Foundation

      1601 Avocado Ave, 
      Newport Beach, CA 
       (0.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Amrita Krishnan is a Hematologist and a Hematologist Oncology provider in Newport Beach, California. Dr. Krishnan 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), Smoldering Multiple Myeloma, Bone Marrow Transplant, and Bone Marrow Aspiration.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology

      City Of Hope Medical Foundation

      1601 Avocado Ave, 
      Newport Beach, CA 
       (0.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Tingting Tan is a Hematologist Oncology specialist and a Hematologist in Newport Beach, California. Dr. Tan 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, Inflammatory Breast Cancer, and Angiosarcoma.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology | Hematology Oncology
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology | Hematology Oncology

      City Of Hope Medical Foundation

      1601 Avocado Ave, 
      Newport Beach, CA 
       (0.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Azra Borogovac is a Hematologist and a Hematologist Oncology provider in Newport Beach, California. Dr. Borogovac is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Acute Myeloid Leukemia (AML), Acute Myeloblastic Leukemia without Maturation, Purpura, Bone Marrow Aspiration, and Bone Marrow Transplant.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Hematology Oncology | Hematology | Oncology

      Uc Regents

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

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine

      Memorialcare Medical Foundation

      722 Baker St, 
      Costa Mesa, CA 
       (5.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine | General Practice
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine | General Practice

      Hoag Clinic

      364 Ocean Ave, 
      Laguna Beach, CA 
       (6.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Stanley Wasbin is a primary care provider, practicing in Family Medicine and General Practice in Laguna Beach, California. Dr. Wasbin is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are X-Linked Cardiac Valvular Dysplasia, Cardiac Diverticulum, Anemia, and Folate Deficiency.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine

      Hoag Clinic

      4900 Barranca Pkwy, Suite 103, 
      Irvine, CA 
       (6.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Internal Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Internal Medicine

      Gn Medical Associates, Inc

      3401 W Sunflower Ave, Suite 250, 
      Santa Ana, CA 
       (6.8 miles away)
      Languages Spoken:
      English

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine

      Gn Medical Associates, Inc

      3401 W Sunflower Ave, Suite 250, 
      Santa Ana, CA 
       (6.8 miles away)
      Languages Spoken:
      English

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Experienced in GTP Cyclohydrolase 1 Deficiency
      1 Hope Dr, 
      Tustin, CA 
       (8.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Geriatrics | Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Geriatrics | Family Medicine
      22921 Triton Way, Suite 125, 
      Laguna Hills, CA 
       (8.3 miles away)
      Languages Spoken:
      English

      Norman Vinn is a primary care provider, practicing in Geriatrics and Family Medicine in Laguna Hills, California. Dr. Vinn is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Hyperaldosteronism, Familial Hyperaldosteronism, and Apparent Mineralocorticoid Excess.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine

      Physicians Clinic Inc

      680 E Fremont Medical Park Dr, 
      Fremont, NE 
       (9.1 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      420 South Bristol Street, 
      Santa Ana, CA 
       (10.1 miles away)
      Languages Spoken:
      English

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Family Medicine
      8101 Newman Avenue, Suite B, 
      Huntington Beach, CA 
       (11.3 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Nahla Salem is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Salem is rated as an Experienced provider by MediFind in the treatment of GTP Cyclohydrolase 1 Deficiency. Her top areas of expertise are Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children. Dr. Salem is currently accepting new patients.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Internal Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Internal Medicine

      Southern California Hospitalist Network Medical Group Inc

      625 The City Dr S, Suite 320, 
      Orange, CA 
       (12.0 miles away)
      Languages Spoken:
      English

      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.

      Experienced in GTP Cyclohydrolase 1 Deficiency
      Geriatrics | Family Medicine
      Experienced in GTP Cyclohydrolase 1 Deficiency
      Geriatrics | Family Medicine

      Regents Of The University Of

      101 The City Dr S, 
      Orange, CA 
       (12.7 miles away)
      Experience:
      9+ years
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      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.

      Showing 1-20 of 24

      Last Updated: 10/30/2025

      When should I see a GTP Cyclohydrolase 1 Deficiency doctor near Newport Beach, 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 GTP Cyclohydrolase 1 Deficiency doctor near Newport Beach, 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 GTP Cyclohydrolase 1 Deficiency doctors near Newport Beach, 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 GTP Cyclohydrolase 1 Deficiency doctors near Newport Beach, 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 GTP Cyclohydrolase 1 Deficiency doctor near Newport Beach, 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 GTP Cyclohydrolase 1 Deficiency doctor search results page. 

      Why is it important to get a second opinion from a different GTP Cyclohydrolase 1 Deficiency 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 GTP Cyclohydrolase 1 Deficiency doctor near Newport Beach, 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 GTP Cyclohydrolase 1 Deficiency 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 GTP Cyclohydrolase 1 Deficiency 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 GTP Cyclohydrolase 1 Deficiency doctors near Newport Beach, CA?

      Look for the filter feature on the left side of the GTP Cyclohydrolase 1 Deficiency 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 GTP Cyclohydrolase 1 Deficiency doctor that offers video calls?

      Look for the filter feature on the left-side of the GTP Cyclohydrolase 1 Deficiency 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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