The 20 Best Homocystinuria Doctors Near Me in Laguna Hills, CA

Find the Top Homocystinuria Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 30 doctor with experience in Homocystinuria near Laguna Hills, CA. Of these, 24 are Experienced, 5 are Advanced and 1 are Distinguished.

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30 providers found
    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Health And Wellness Center Inc

    23672 Birtcher Dr, 
    Lake Forest, CA 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Mohammed Ali is a primary care provider, practicing in Family Medicine in Lake Forest, California. Dr. Ali is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Premature Ovarian Failure, Down Syndrome, and Hypogonadism Primary Partial Alopecia. Dr. Ali is board certified in American Board Of Family Medicine. Dr. Ali is currently accepting new patients.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine
    Laguna Hills, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jeremy Motte is a primary care provider, practicing in Family Medicine in Laguna Hills, California. Dr. Motte is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Homocystinuria, Methylmalonic Acidemia with Homocystinuria, Inborn Amino Acid Metabolism Disorder, and Erectile Dysfunction (ED).

    Advanced in Homocystinuria
    Internal Medicine
    Advanced in Homocystinuria
    Internal Medicine

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (5.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Waldman is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Waldman is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 52 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), High Cholesterol, Autoerythrocyte Sensitivity, and Purpura. Dr. Waldman is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Dr Joan Sy Medical Corporation

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

    Joan Sy is a primary care provider, practicing in Family Medicine in Laguna Hills, California. Dr. Sy is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Hypermethioninemia, Sulfite Oxidase Deficiency, Inborn Amino Acid Metabolism Disorder, and Methylmalonic Acidemia with Homocystinuria. Dr. Sy is board certified in American Board Of Family Medicine.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Robert G Feldman MD Inc

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

    Robert Feldman is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Feldman is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Postmenopausal Osteoporosis, Osteoporosis, Nephrosclerosis, and Renovascular Hypertension. Dr. Feldman is board certified in American Board Of Internal Medicine.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    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 Homocystinuria. Her clinical expertise encompasses Purpura, Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, and Squamous Cell Carcinoma of the Anal Canal (SCAC).

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Pacific Ridge Medical Associates Inc

    25401 Cabot Rd, 
    Laguna Hills, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Alan Lo is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Lo is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Osteomyelitis in Children, Gaucher Disease Type 3, and Gaucher Disease Type 1. Dr. Lo is board certified in American Board Of Internal Medicine.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Saddleback Medical Group

    24411 Health Center Dr, 
    Laguna Hills, CA 
     (1.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Huseby is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Huseby is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His clinical expertise encompasses Sciatica, Chronic Cough, High Cholesterol, and Vertigo. Dr. Huseby is board certified in American Board Of Internal Medicine. Dr. Huseby is currently accepting new patients.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Saddleback Medical Group

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

    Bruce Van Vranken is a primary care provider, practicing in Family Medicine in Laguna Woods, California. Dr. Van Vranken is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Methylmalonic Acidemia with Homocystinuria, Homocystinuria, Inborn Amino Acid Metabolism Disorder, and Sciatica. Dr. Van Vranken is board certified in American Board Of Family Medicine. Dr. Van Vranken is currently accepting new patients.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    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 Homocystinuria. 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 Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Saddleback Medical Group

    24331 El Toro Rd, 
    Laguna Woods, CA 
     (2.2 miles away)
    Languages Spoken:
    English

    David Rios is a primary care provider, practicing in Family Medicine in Laguna Woods, California. Dr. Rios is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypothyroidism, Inborn Amino Acid Metabolism Disorder, and Vitamin B12 Deficiency Anemia. Dr. Rios is board certified in American Board Of Family Medicine.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Rexinger Medical Group Inc.

    27800 Medical Center Rd Ste 461, 
    Mission Viejo, CA 
     (2.4 miles away)
    Languages Spoken:
    English

    Elwyn Rexinger is a primary care provider, practicing in Family Medicine in Mission Viejo, California. Dr. Rexinger is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His clinical expertise encompasses Methylmalonic Acidemia with Homocystinuria, Inborn Amino Acid Metabolism Disorder, Homocystinuria, and Familial Hypertension.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Optum - San Juan Capistrano

    San Juan Capistrano, CA 
     (8.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lothar Mcmillian is a primary care provider, practicing in Family Medicine in San Juan Capistrano, California. Dr. Mcmillian is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Hypothyroidism, and Hypertension. Dr. Mcmillian is board certified in American Board Of Family Medicine. Dr. Mcmillian is currently accepting new patients.

    Advanced in Homocystinuria
    Geriatrics | Internal Medicine
    Advanced in Homocystinuria
    Geriatrics | Internal Medicine
    Referral may be required

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
     (5.5 miles away)
    Languages Spoken:
    English

    Hong Shune is a primary care provider, practicing in Geriatrics and Internal Medicine in Irvine, California. Dr. Shune is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Methylmalonic Acidemia with Homocystinuria, Homocystinuria, Juvenile Primary Osteoporosis, and Inborn Amino Acid Metabolism Disorder.

    Distinguished in Homocystinuria
    General Practice
    Distinguished in Homocystinuria
    General Practice

    Tustin Longevity Center

    13422 Newport Ave Ste L, 
    Tustin, CA 
     (12.0 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Offers Telehealth

    Rita Ellithorpe is a primary care provider, practicing in General Practice in Tustin, California. She has been practicing medicine for over 44 years. Dr. Ellithorpe is rated as a Distinguished provider by MediFind in the treatment of Homocystinuria. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Heavy Metal Poisoning, Menopause, Homocystinuria, and Methylmalonic Acidemia with Homocystinuria.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Karen Sun M.D Inc

    4 Hughes Ste 150, 
    Irvine, CA 
     (5.5 miles away)
    Languages Spoken:
    English

    Karen Sun is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Sun is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her clinical expertise encompasses Menopause, Vertigo, Methylmalonic Acidemia with Homocystinuria, and Homocystinuria.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Excel Physicians Medical Corporation

    29809 Santa Margarita Pkwy, 
    Rancho Santa Margarita, CA 
     (6.1 miles away)
    Languages Spoken:
    English

    Natalia Bilan is a primary care provider, practicing in Family Medicine in Rancho Santa Margarita, California. Dr. Bilan is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her clinical expertise encompasses Type 2 Diabetes (T2D), Sciatica, High Cholesterol, and Familial Combined Hyperlipidemia. Dr. Bilan is board certified in American Board Of Family Medicine.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Office

    San Juan Capistrano, CA 
     (8.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Eva Gentile is a primary care provider, practicing in Family Medicine in San Juan Capistrano, California. Dr. Gentile is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her clinical expertise encompasses Vitamin D Deficiency, High Cholesterol, Menopause, and Urinary Tract Infection in Children.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Dazzle Health P C

    18650 MacArthur Blvd Ste 450, 
    Irvine, CA 
     (8.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ayman Fakeh is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Fakeh is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Obesity, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Dynamic Health Center

    18818 Teller Ave Ste 170, 
    Irvine, CA 
     (8.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mary Raleigh is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Raleigh is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Bile Acid Malabsorption, Erdheim-Chester Disease, Multiple Symmetric Lipomatosis, and Gracile Syndrome.

    Showing 1-20 of 30

    Last Updated: 09/26/2026

    What is the definition of Homocystinuria?

    Homocystinuria is a genetic disorder that affects the metabolism of the amino acid methionine. Amino acids are the building blocks of all proteins in the body.

    When should I see a Homocystinuria 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 Homocystinuria 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 Homocystinuria 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 Homocystinuria 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 Homocystinuria 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 Homocystinuria doctor search results page. 

    Why is it important to get a second opinion from a different Homocystinuria 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 Homocystinuria 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 Homocystinuria 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 Homocystinuria 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 Homocystinuria doctors near Laguna Hills, CA?

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

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