The 20 Best Protein Deficiency Doctors Near Me in orange, CA

Find the Top Protein Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 219 doctor with experience in Protein Deficiency near orange, CA. Of these, 206 are Experienced, 12 are Advanced and 1 are Distinguished.

Location
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219 providers found
    Distinguished in Protein Deficiency
    Distinguished in Protein Deficiency
    Referral may be required

    Orange County Global Medical Center Inc.

    1001 N Tustin Ave, 
    Santa Ana, CA 
     (2.7 miles away)
    Languages Spoken:
    English

    Virender Rehan is a Neonatologist practicing medicine in Santa Ana, California. Dr. Rehan is rated as a Distinguished provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Protein Deficiency, Bronchopulmonary Dysplasia, Cerebral Hypoxia, and Intrauterine Growth Restriction.

    Experienced in Protein Deficiency
    Family Medicine
    Experienced in Protein Deficiency
    Family Medicine
    845 East Chapman Avenue, 
    Orange, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hal Shimazu is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Shimazu is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Cirrhosis, Purpura, and Gardner-Diamond Syndrome. Dr. Shimazu is currently accepting new patients.

    Experienced in Protein Deficiency
    Family Medicine
    Experienced in Protein Deficiency
    Family Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ana Fajardo is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Fajardo is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Autoerythrocyte Sensitivity, Gardner-Diamond Syndrome, Purpura, and Cirrhosis. Dr. Fajardo is board certified in American Board Of Family Medicine. Dr. Fajardo is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    Optum - Orange

    2540 N Santiago Blvd, 
    Orange, CA 
     (3.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Karen Lau is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Lau is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, Folate Deficiency, and Subacute Combined Degeneration. Dr. Lau is board certified in American Board Of Family Medicine. Dr. Lau is currently accepting new patients.

    Advanced in Protein Deficiency
    Pediatric Gastroenterology
    Advanced in Protein Deficiency
    Pediatric Gastroenterology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bassam Younes is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Younes is rated as an Advanced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Celiac Disease, Atresia of Small Intestine, Encopresis, and Koolen De Vries Syndrome. Dr. Younes is currently accepting new patients.

    Experienced in Protein Deficiency
    Pediatric Cardiology | Pediatrics
    Experienced in Protein Deficiency
    Pediatric Cardiology | Pediatrics
    Referral may be required

    CHOC CS Cardiology

    1140 W La Veta Ave, Ste 750, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nafiz Kiciman is a Pediatric Cardiologist and a Pediatrics provider practicing medicine in Orange, California. Dr. Kiciman is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Patent Ductus Arteriosus, Ventricular Septal Defects, Mixed Gonadal Dysgenesis, and Turner Syndrome. Dr. Kiciman is board certified in Pediatrics (Sub: Pediatric Cardiology) and Pediatrics (Sub: Neonatal-Perinatal Medicine). Dr. Kiciman is currently accepting new patients.

    Advanced in Protein Deficiency
    Adolescent Medicine
    Advanced in Protein Deficiency
    Adolescent Medicine
    Referral may be required
    101 The City Dr S, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English

    Alexis Guzman is an Adolescent Medicine provider practicing medicine in Orange, California. Dr. Guzman is rated as an Advanced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Anorexia, Protein Deficiency, Bulimia, and Vitamin D Deficiency.

    Experienced in Protein Deficiency
    General Surgery
    Experienced in Protein Deficiency
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, Vietnamese
    Offers Telehealth

    Ninh Nguyen is a General Surgeon practicing medicine in Orange, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Hiatal Hernia, Hernia, Stomach Cancer, Endoscopy, and Gastrectomy.

    Experienced in Protein Deficiency
    General Surgery
    Experienced in Protein Deficiency
    General Surgery
    Referral may be required

    UCI Health Chao Family Comprehensive Digestive Disease Center

    101 The City Drive South, Building 22C, 
    Orange, CA 
     (2.0 miles away)
    Languages Spoken:
    English, German
    Offers Telehealth

    David Imagawa is a General Surgeon practicing medicine in Orange, California. Dr. Imagawa is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Pancreatic Cancer, Familial Pancreatic Cancer, Ampullary Cancer, Gallbladder Removal, and Pancreatectomy. Dr. Imagawa is board certified in American Board Of Surgery - Surgery (General Surgery).

    Advanced in Protein Deficiency
    Internal Medicine
    Advanced in Protein Deficiency
    Internal Medicine
    12665 Garden Grove Boulevard, Suite 503, 
    Garden Grove, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Chaewon Song is a primary care provider, practicing in Internal Medicine in Garden Grove, California. Dr. Song is rated as an Advanced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Hypertension, Familial Hypertension, Gastrostomy, and Colonoscopy. Dr. Song is currently accepting new patients.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine
    1310 West Stewart Drive, Suite 602, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kusum Ohri is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Ohri is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), High Cholesterol, Gaucher Disease Type 1, and Gaucher Disease Type 2. Dr. Ohri is currently accepting new patients.

    Experienced in Protein Deficiency
    Experienced in Protein Deficiency
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Cristel Chapel-Crespo is a Medical Genetics provider practicing medicine in Orange, California. Dr. Chapel-Crespo is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 19 other conditions, according to our data. Her clinical expertise encompasses CLN2 Disease, CLN3 Disease, CLN1 Disease, and CLN4 Disease. Dr. Chapel-Crespo is currently accepting new patients.

    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients

    Kimberly Silva is a Pediatric Gastroenterologist practicing medicine in Orange, California. She has been practicing medicine for over 17 years. Dr. Silva is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Lactose Intolerance, Eosinophilic Esophagitis, Cardiofaciocutaneous Syndrome, and Tracheoesophageal Fistula. Dr. Silva is currently accepting new patients.

    Experienced in Protein Deficiency
    Medical Genetics
    Experienced in Protein Deficiency
    Medical Genetics
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Richard Chang is a Medical Genetics provider practicing medicine in Orange, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 156 other conditions, according to our data. His clinical expertise encompasses Phenylketonuria (PKU), Very Long-Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency, Maternal Hyperphenylalaninemia, and Adrenoleukodystrophy (ALD). Dr. Chang is currently accepting new patients.

    Experienced in Protein Deficiency
    Medical Genetics
    Experienced in Protein Deficiency
    Medical Genetics
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jose Abdenur is a Medical Genetics provider practicing medicine in Orange, California. Dr. Abdenur is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 42 other conditions, according to our data. His clinical expertise encompasses Von Gierke Disease, Glycogen Storage Disease Type 9, Glycogen Storage Disease Type 3, and Malonyl-CoA Decarboxylase Deficiency. Dr. Abdenur is currently accepting new patients.

    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jeffrey Ho is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Ho is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Fecal Impaction, Cri-Du-Chat Syndrome, Gastroschisis, and Esophageal Atresia. Dr. Ho is currently accepting new patients.

    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joanna Yeh is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Yeh is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Malnutrition, Celiac Disease, Encopresis, and Eosinophilic Esophagitis. Dr. Yeh is currently accepting new patients.

    Experienced in Protein Deficiency
    General Surgery
    Experienced in Protein Deficiency
    General Surgery
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Peter Yu is a General Surgeon practicing medicine in Orange, California. Dr. Yu is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Diaphragmatic Hernia, Congenital Diaphragmatic Hernia, Pulmonary Sequestration, Endoscopy, and Colostomy. Dr. Yu is currently accepting new patients.

    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Michael Wang is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Eosinophilic Esophagitis, Diarrhea, Celiac Disease, and Atresia of Small Intestine. Dr. Wang is currently accepting new patients.

    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Experienced in Protein Deficiency
    Pediatric Gastroenterology
    Referral may be required
    1201 West La Veta Avenue, 
    Orange, CA 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Gregory Wong is a Pediatric Gastroenterologist practicing medicine in Orange, California. Dr. Wong is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Total Intestinal Aganglionosis, Hirschsprung Disease, Wolf-Hirschhorn Syndrome, and Neurogenic Bowel. Dr. Wong is currently accepting new patients.

    Showing 1-20 of 219

    Last Updated: 09/26/2026

    When should I see a Protein Deficiency 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 Protein Deficiency 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 Protein Deficiency 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 Protein Deficiency 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 Protein Deficiency 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 Protein Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Protein 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 Protein Deficiency 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 Protein 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 Protein 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 Protein Deficiency doctors near orange, CA?

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

    Look for the filter feature on the left-side of the Protein 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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