The 20 Best Protein Deficiency Doctors Near Me in Laguna Hills, CA

Find the Top Protein Deficiency Experts and Specialists

Last Updated: 09/26/2026

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

MediFind found 106 doctor with experience in Protein Deficiency near Laguna Hills, CA. Of these, 97 are Experienced, 8 are Advanced and 1 are Distinguished.

Location
LocationClose
106 providers found
    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine

    MemorialCare Medical Group

    24268 El Toro Rd, 
    Laguna Woods, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Pedram Pirsaraei is a primary care provider, practicing in Internal Medicine in Laguna Woods, California. Dr. Pirsaraei is rated as an Experienced 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 Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Familial Hypertension, and Hypertension. Dr. Pirsaraei is currently accepting new patients.

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

    Optum - Mission Viejo

    26991 Crown Valley Pkwy, 
    Mission Viejo, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ronald Richmond is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Richmond is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Sciatica, Insomnia, and Hypertension. Dr. Richmond is board certified in American Board Of Family Medicine. Dr. Richmond is currently accepting new patients.

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

    Office

    Laguna Niguel, CA 
     (4.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Bassam Bilal is a primary care provider, practicing in Internal Medicine in Laguna Niguel, California. Dr. Bilal 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 Type 2 Diabetes (T2D), High Cholesterol, Osteomyelitis in Children, and Hypertension. Dr. Bilal is currently accepting new patients.

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

    Hospitalist Associates Of Saddleback

    23961 Calle De La Magdalena Ste 426, 
    Laguna Hills, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ali Tabatabai is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Tabatabai is rated as an Advanced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Acute Respiratory Distress Syndrome (ARDS), Macrophagic Myofasciitis, Myositis, Narcolepsy, and Heart Transplant. Dr. Tabatabai is currently accepting new patients.

    Experienced in Protein Deficiency
    Gastroenterology
    Experienced in Protein Deficiency
    Gastroenterology
    Referral required
    27700 Medical Center Road, 
    Mission Viejo, CA 
     (2.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tarek Hassanein is a Gastroenterologist practicing medicine in Mission Viejo, California. Dr. Hassanein is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Hepatitis C, Hepatitis, Non-Alcoholic Fatty Liver Disease, Endoscopy, and Liver Transplant. Dr. Hassanein is board certified in American Board Of Internal Medicine. Dr. Hassanein is currently accepting new patients.

    Advanced in Protein Deficiency
    Advanced in Protein Deficiency
    Referral may be required

    Housecall Doctors Medical Group

    23181 Verdugo Dr, 
    Laguna Hills, CA 
     (2.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Norman Vinn is a Geriatrics provider practicing medicine in Laguna Hills, California. Dr. Vinn is rated as an Advanced 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 Seasonal Affective Disorder (SAD), Hypertension, Familial Hypertension, and Alcoholic Neuropathy. Dr. Vinn is board certified in American Osteopathic Board Of Family Practice. Dr. Vinn is currently accepting new patients.

    Advanced in Protein Deficiency
    Gastroenterology
    Advanced in Protein Deficiency
    Gastroenterology
    Referral may be required

    Mj Medical Group Inc

    26501 Rancho Pkwy S, 
    Lake Forest, CA 
     (3.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mladen Jecmenica is a Gastroenterologist practicing medicine in Lake Forest, California. Dr. Jecmenica is rated as an Advanced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Gastrointestinal Bleeding, Gastroesophageal Reflux Disease (GERD), Hiatal Hernia, Gastrostomy, and Endoscopy. Dr. Jecmenica is board certified in American Board Of Internal Medicine. Dr. Jecmenica is currently accepting new patients.

    Advanced in Protein Deficiency
    Family Medicine
    Advanced in Protein Deficiency
    Family Medicine

    Monarch Healthcare A Medical Group Inc.

    7 Technology Dr, 
    Irvine, CA 
     (4.5 miles away)
    Languages Spoken:
    English

    Thuy Nguyen is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Protein Deficiency, Malnutrition, Primary Immunodeficiency (PID), and Type 2 Diabetes (T2D).

    Experienced in Protein Deficiency
    General Practice
    Experienced in Protein Deficiency
    General Practice

    Patrick Thompson, MD

    26538 Moulton Pkwy Ste 38E, 
    Laguna Hills, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Patrick Thompson is a primary care provider, practicing in General Practice in Laguna Hills, California. Dr. Thompson is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His clinical expertise encompasses Labyrinthitis, Familial Combined Hyperlipidemia, Xanthoma, and High Cholesterol.

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

    Nermine Morcos MD Inc

    Laguna Hills, CA 
     (0.1 miles away)
    Languages Spoken:
    English

    Nermine Morcos-Clark is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Morcos-Clark is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her clinical expertise encompasses Purpura, Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, and Squamous Cell Carcinoma of the Anal Canal (SCAC).

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

    Homer Kam Yun Lew Do A Medical Corp

    Laguna Hills, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Homer Lew is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Lew is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol. Dr. Lew is board certified in American Board Of Internal Medicine.

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

    Saddleback Medical Group

    Laguna Hills, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Maziar Zamani is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Zamani 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 Acute Kidney Failure, Hypothyroidism, Hypertension, Gastrostomy, and Pacemaker Implantation. Dr. Zamani is board certified in American Board Of Internal Medicine. Dr. Zamani is currently accepting new patients.

    Experienced in Protein Deficiency
    General Practice
    Experienced in Protein Deficiency
    General Practice

    Michael L. Chang, DO

    26538 Moulton Pkwy Ste 38E, 
    Laguna Hills, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Chang is a primary care provider, practicing in General Practice in Laguna Hills, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. His clinical expertise encompasses Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, Cerebellar Degeneration, and Osteomyelitis in Children.

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

    Office

    24881 Alicia Pkwy, 
    Laguna Hills, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Jim Seraj is a General Surgeon practicing medicine in Laguna Hills, California. Dr. Seraj is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Peptic Ulcer, Cellulitis, Necrosis, and Morning Sickness.

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

    Laguna Hills Health And Rehabilitation Center

    24452 Health Center Dr, 
    Laguna Hills, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Derrick Hong is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Hong is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Pneumonia, Sepsis, Ogilvie Syndrome, Gastrostomy, and Colonoscopy.

    Experienced in Protein Deficiency
    Internal Medicine
    Experienced in Protein Deficiency
    Internal Medicine
    24411 Health Center Drive, Suite 560, 
    Laguna Hills, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Joanna Kopacz is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Kopacz is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 41 other conditions, according to our data. Her clinical expertise encompasses Interstitial Nephritis, Sepsis, Aspergillosis, and Strep Throat. Dr. Kopacz is board certified in American Board Of Internal Medicine. Dr. Kopacz is currently accepting new patients.

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

    MemorialCare Medical Group 55+ (Laguna Woods)

    24268 El Toro Rd, 
    Laguna Woods, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kien-an Duong is a primary care provider, practicing in Internal Medicine in Laguna Woods, California. Dr. Duong is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Cirrhosis. Dr. Duong is currently accepting new patients.

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

    MemorialCare Medical Group 55+ (Laguna Woods)

    24268 El Toro Rd, 
    Laguna Woods, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gracia Covarrubias is a primary care provider, practicing in Internal Medicine in Laguna Woods, California. Dr. Covarrubias is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. Her clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

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

    Saddleback Medical Group

    24331 El Toro Rd, 
    Laguna Woods, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tracy Siegfried is a primary care provider, practicing in Internal Medicine in Laguna Woods, California. Dr. Siegfried is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Folate Deficiency, Multiple Carboxylase Deficiency, and Vitamin B12 Deficiency Anemia. Dr. Siegfried is currently accepting new patients.

    Experienced in Protein Deficiency
    General Practice
    Experienced in Protein Deficiency
    General Practice

    Marjan Pedarsani, MD

    Mission Viejo, CA 
     (2.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Marjan Pedarsani is a primary care provider, practicing in General Practice in Mission Viejo, California. Dr. Pedarsani is rated as an Experienced provider by MediFind in the treatment of Protein Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Osteomyelitis in Children, Infant Hyperglycemia, Type 2 Diabetes (T2D), and High Cholesterol.

    Showing 1-20 of 106

    Last Updated: 09/26/2026

    When should I see a Protein Deficiency doctor near Laguna Hills, 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 Laguna Hills, 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 Laguna Hills, 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 Laguna Hills, 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 Laguna Hills, 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 Laguna Hills, 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 Laguna Hills, 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.