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

Find the Top Homocystinuria Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 30 doctor with experience in Homocystinuria near Laguna Hills, CA. Of these, 23 are Experienced, 6 are Advanced and 1 are Distinguished.

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30 providers found
    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).

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Robert G Feldman MD Inc

    Laguna Hills, CA 
     (0.1 miles away)
    Experience:
    40+ years
    Languages Spoken:
    English

    Robert Feldman is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. He has been practicing medicine for over 40 years. Dr. Feldman is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. 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)
    Experience:
    27+ years
    Languages Spoken:
    English

    Nermine Morcos is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. She has been practicing medicine for over 27 years. Dr. Morcos is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her clinical expertise encompasses Autoerythrocyte Sensitivity, Gardner-Diamond Syndrome, Purpura, and Anal Cancer.

    Learn about our expert tiers
    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)
    Experience:
    36+ years
    Languages Spoken:
    English

    Alan Lo is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. He has been practicing medicine for over 36 years. 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, and Gaucher Disease Type 2. 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)
    Experience:
    42+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David Huseby is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. He has been practicing medicine for over 42 years. 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)
    Experience:
    51+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Bruce Van Vranken is a primary care provider, practicing in Family Medicine in Laguna Woods, California. He has been practicing medicine for over 51 years. 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)
    Experience:
    32+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tracy Siegfried is a primary care provider, practicing in Internal Medicine in Laguna Woods, California. She has been practicing medicine for over 32 years. 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, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Folate Deficiency. 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)
    Experience:
    51+ years
    Languages Spoken:
    English

    David Rios is a primary care provider, practicing in Family Medicine in Laguna Woods, California. He has been practicing medicine for over 51 years. 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 Multiple Carboxylase Deficiency. Dr. Rios is board certified in American Board Of Family Medicine.

    Experienced in Homocystinuria
    Experienced in Homocystinuria

    Housecall Doctors Medical Group

    23181 Verdugo Dr, 
    Laguna Hills, CA 
     (2.9 miles away)
    Experience:
    49+ years
    Languages Spoken:
    English

    Norman Vinn is a primary care provider, practicing in Geriatrics in Laguna Hills, California. He has been practicing medicine for over 49 years. Dr. Vinn is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 46 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Familial Hyperaldosteronism, Hyperaldosteronism, and Apparent Mineralocorticoid Excess. Dr. Vinn is board certified in American Osteopathic Board Of Family Practice.

    Advanced in Homocystinuria
    Geriatrics | Internal Medicine
    Advanced in Homocystinuria
    Geriatrics | Internal Medicine

    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.

    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
    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, Gardner-Diamond Syndrome, and Purpura.

    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)
    Experience:
    37+ years
    Languages Spoken:
    English

    Natalia Bilan is a primary care provider, practicing in Family Medicine in Rancho Santa Margarita, California. She has been practicing medicine for over 37 years. 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

    Optum - San Juan Capistrano

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

    Lothar Mcmillian is a primary care provider, practicing in Family Medicine in San Juan Capistrano, California. He has been practicing medicine for over 42 years. 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 Glucocorticoid-Remediable Aldosteronism. Dr. Mcmillian is board certified in American Board Of Family Medicine. Dr. Mcmillian is currently accepting new patients.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    San Clemente-Primary Care

    831 Via Suerte Ste 102, 
    San Clemente, CA 
     (9.9 miles away)
    Languages Spoken:
    English

    Elwyn Rexinger is a primary care provider, practicing in Family Medicine in San Clemente, 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 Hypertension.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Eva Marie Gentile MD Inc.

    1300 Avenida Vista Hermosa Ste 100, 
    San Clemente, CA 
     (9.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Eva Gentile is a primary care provider, practicing in Family Medicine in San Clemente, 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

    Health And Wellness Center, Inc

    San Clemente, CA 
     (9.9 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mohammed Ali is a primary care provider, practicing in Family Medicine in San Clemente, California. He has been practicing medicine for over 31 years. 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.

    Advanced in Homocystinuria
    Advanced in Homocystinuria

    William R. Shankle MD Inc.

    3900 W Coast Hwy Ste 310, 
    Newport Beach, CA 
     (13.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    William Shankle is a Neurologist practicing medicine in Newport Beach, California. Dr. Shankle is rated as an Advanced 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 Alzheimer's Disease, Memory Loss, Cerebellar Degeneration, and Dementia.

    Advanced in Homocystinuria
    Oncology
    Advanced in Homocystinuria
    Oncology

    Office

    330 Old Newport Blvd Ste 100, 
    Newport Beach, CA 
     (13.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    An Nguyen is an Oncologist practicing medicine in Newport Beach, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Thymic Epithelial Tumor, Inflammatory Breast Cancer, Paget Disease of the Breast, and Intraductal Papilloma.

    Showing 1-20 of 30

    Last Updated: 04/28/2026

    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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