The 20 Best Protein Deficiency Doctors Near Me in Fountain Valley, CA

Find the Top Protein Deficiency Experts and Specialists

The 20 Best Protein Deficiency Doctors near Fountain Valley, CA

Last Updated: 02/22/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 219 doctor with experience in Protein Deficiency near Fountain Valley, CA. Of these, 208 are Experienced, 10 are Advanced and 1 are Distinguished.

Location
LocationClose
219 providers found
    Advanced in Protein Deficiency
    Internal Medicine
    Advanced in Protein Deficiency
    Internal Medicine
    12665 Garden Grove Boulevard, Suite 503, 
    Garden Grove, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    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. His top areas of expertise are Osteomyelitis in Children, Hypertension, Familial Hypertension, Gastrostomy, and Colonoscopy.

    Experienced in Protein Deficiency
    Endocrinology
    Experienced in Protein Deficiency
    Endocrinology

    Office

    11100 Warner Ave Ste 254, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Bachar Kurdi is an Endocrinologist in Fountain Valley, California. Dr. Kurdi is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Thyroid Nodule, and Hypothyroidism.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    MCMG Fountain Valley (Harbor)

    16333 Harbor Blvd Ste 220, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sina Milani is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Milani is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Seasonal Affective Disorder (SAD), and High Cholesterol. Dr. Milani is currently accepting new patients.

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

    MemorialCare Medical Group - Fountain Valley

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Wang is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are CAPOS Syndrome, Type 2 Diabetes (T2D), Osteomyelitis in Children, Gastrostomy, and Hernia Surgery. Dr. Wang is currently accepting new patients.

    Sajeet S. Sawhney
    Experienced in Protein Deficiency
    Endocrinology | Internal Medicine
    Experienced in Protein Deficiency
    Endocrinology | Internal Medicine

    Balboa Nephrology Medical Group

    11100 Warner Ave, 
    Fountain Valley, CA 
     (1.1 miles away)
    Experience:
    16+ years
    Languages Spoken:
    English
    Offers Telehealth

    Sajeet Sawhney is an Internal Medicine specialist and an Endocrinologist in Fountain Valley, California. Dr. Sawhney has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Acute Kidney Failure, Necrosis, Chronic Kidney Disease, and Nephrosclerosis.

    Nafiz M. Kiciman
    Experienced in Protein Deficiency
    Pediatric Cardiology
    Experienced in Protein Deficiency
    Pediatric Cardiology
    505 South Main Street, Suite 600, 
    Orange, CA 
     (7.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nafiz Kiciman is a Pediatric Cardiologist in Orange, California. Dr. Kiciman is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Patent Ductus Arteriosus, Ventricular Septal Defects, Perrault Syndrome, and Turner Syndrome. Dr. Kiciman is currently accepting new patients.

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

    Bassam Younes is a Pediatric Gastroenterologist in Orange, California. Dr. Younes is rated as an Advanced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Celiac Disease, Encopresis, Koolen De Vries Syndrome, and Cri-Du-Chat Syndrome. Dr. Younes is currently accepting new patients.

    Raymond Y. Wang
    Experienced in Protein Deficiency
    Medical Genetics
    Experienced in Protein Deficiency
    Medical Genetics
    1201 West La Veta Avenue, 
    Orange, CA 
     (7.1 miles away)
    Languages Spoken:
    English

    Raymond Wang is a Medical Genetics provider in Orange, California. Dr. Wang is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Mucopolysaccharidoses (MPS), Mucopolysaccharidosis Type 7 (MPS VII, Sly Syndrome), Mucopolysaccharidosis Type 1 (MPS I, Hurler Syndrome), Pompe Disease, and Adenoidectomy.

    Distinguished in Protein Deficiency
    Neonatology
    Distinguished in Protein Deficiency
    Neonatology

    Orange County Global Medical Center Inc.

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

    Virender Rehan is a Neonatologist in Santa Ana, California. Dr. Rehan is rated as a Distinguished provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Protein Deficiency, Bronchopulmonary Dysplasia, Cerebral Hypoxia, and Intrauterine Growth Restriction.

    Experienced in Protein Deficiency
    Gastroenterology
    Experienced in Protein Deficiency
    Gastroenterology

    Fountain Valley Cardiology Medical Clinic Inc.

    11100 Warner Ave Ste 268, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Davinder Singh is a Gastroenterologist in Fountain Valley, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Velopharyngeal Insufficiency, Swallowing Difficulty, Painful Swallowing, Gastrostomy, and Endoscopy.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    Pain Management Associates Inc

    18111 Brookhurst St Ste 6300, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Robert Ha is a primary care provider, practicing in Internal Medicine in Fountain Valley, California. Dr. Ha is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Familial Hypertension.

    Experienced in Protein Deficiency
    Physician Assistant
    Experienced in Protein Deficiency
    Physician Assistant
    18111 Brookhurst St Ste 3100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Odessa Speirs is a Physician Assistant in Fountain Valley, California. Ms. Speirs is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her top area of expertise is Protein Deficiency.

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

    MemorialCare Medical Group Fountain Valley (Warner)

    11420 Warner Ave Ste 220, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Leah Phan is a primary care provider, practicing in Family Medicine in Fountain Valley, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her top areas of expertise are Osteomyelitis in Children, High Cholesterol, Obesity, and Chronic Pain.

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

    MemorialCare Medical Group Fountain Valley (Warner)

    11420 Warner Ave Ste 220, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Arfa Babaknia is a primary care provider, practicing in Family Medicine in Fountain Valley, California. Dr. Babaknia is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Maturity Onset Diabetes of the Young.

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

    Nasrin Damoui, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Nasrin Damoui is a primary care provider, practicing in Family Medicine in Fountain Valley, California. Dr. Damoui is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her top areas of expertise are Autoerythrocyte Sensitivity, Gardner-Diamond Syndrome, Purpura, and Osteomyelitis in Children.

    Experienced in Protein Deficiency
    Gastroenterology
    Experienced in Protein Deficiency
    Gastroenterology

    Jose Luis (Jeric) Aranez, MD

    18035 Brookhurst St Ste 2100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jose Aranez is a Gastroenterologist in Fountain Valley, California. Dr. Aranez is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Bile Duct Obstruction, Hemorrhoids, Chronic Erosive Gastritis, Endoscopy, and Pancreatectomy.

    Experienced in Protein Deficiency
    Nurse Practitioner
    Experienced in Protein Deficiency
    Nurse Practitioner

    Office

    9920 Talbert Ave, 
    Fountain Valley, CA 
     (0.5 miles away)
    Languages Spoken:
    English

    Lina Lam is a Nurse Practitioner in Fountain Valley, California. Ms. Lam is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her top area of expertise is Protein Deficiency.

    Experienced in Protein Deficiency
    Gastroenterology
    Experienced in Protein Deficiency
    Gastroenterology

    Orange County Digestive Care Inc

    18111 Brookhurst St, 
    Fountain Valley, CA 
     (0.6 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English
    Offers Telehealth

    Duke Nguyen is a Gastroenterologist in Fountain Valley, California. Dr. Nguyen has been practicing medicine for over 30 years and is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Gastritis, Gastrectomy, and Colonoscopy.

    Experienced in Protein Deficiency
    Cardiology | Internal Medicine
    Experienced in Protein Deficiency
    Cardiology | Internal Medicine

    California Heart Associates

    18111 Brookhurst St, 
    Fountain Valley, CA 
     (0.6 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Tae Yang is a Cardiologist and an Internal Medicine provider in Fountain Valley, California. Dr. Yang has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, Atherectomy, and Pacemaker Implantation.

    Experienced in Protein Deficiency
    Gastroenterology | Pediatrics
    Experienced in Protein Deficiency
    Gastroenterology | Pediatrics

    Pediatric Gastroenterology Associates Of Southern California

    9940 Talbert Ave, 
    Fountain Valley, CA 
     (0.6 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English

    Barry Steinmetz is a Pediatrics specialist and a Gastroenterologist in Fountain Valley, California. Dr. Steinmetz has been practicing medicine for over 30 years and is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His top areas of expertise are Chronic Idiopathic Constipation (CIC), Malnutrition, Encopresis, and Wolf-Hirschhorn Syndrome.

    Showing 1-20 of 219

    Last Updated: 02/22/2026

    When should I see a Protein Deficiency doctor near Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 

    Read more about our Content Policy