The 20 Best Homocystinuria Doctors Near Me in Orange, CA

Find the Top Homocystinuria Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 265 doctor with experience in Homocystinuria near Orange, CA. Of these, 187 are Experienced, 75 are Advanced and 3 are Distinguished.

Location
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265 providers found
    Distinguished in Homocystinuria
    Family Medicine
    Distinguished in Homocystinuria
    Family Medicine

    Simi Doctors Medical & Aesthetics

    2840 E Los Angeles Ave, 
    Simi Valley, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Daniel Ghiyam is a primary care provider, practicing in Family Medicine in Simi Valley, California. Dr. Ghiyam is rated as a Distinguished provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Methylmalonic Acidemia with Homocystinuria, Homocystinuria, Inborn Amino Acid Metabolism Disorder, and Familial Combined Hyperlipidemia. Dr. Ghiyam is currently accepting new patients.

    Distinguished in Homocystinuria
    Internal Medicine
    Distinguished in Homocystinuria
    Internal Medicine

    MD Care And Associates Inc.

    744 Broadway Ste 100, 
    El Cajon, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Robin Spiering is a primary care provider, practicing in Internal Medicine in El Cajon, California. Dr. Spiering is rated as a Distinguished provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Sulfite Oxidase Deficiency, Hypermethioninemia, Methylmalonic Acidemia with Homocystinuria, 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 
    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.

    Learn about our expert tiers
    Advanced in Homocystinuria
    Family Medicine | General Practice | Internal Medicine
    Advanced in Homocystinuria
    Family Medicine | General Practice | Internal Medicine

    Complete Care Family Medical Clinic

    1231 N Avalon Blvd, 
    Wilmington, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Homan Siman is a primary care provider, practicing in Family Medicine and Internal Medicine in Wilmington, California. Dr. Siman is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 44 other conditions, according to our data. His clinical expertise encompasses Methylmalonic Acidemia with Homocystinuria, Homocystinuria, Inborn Amino Acid Metabolism Disorder, and Cirrhosis. Dr. Siman is board certified in American Board Of Internal Medicine. Dr. Siman is currently accepting new patients.

    Advanced in Homocystinuria
    General Practice
    Advanced in Homocystinuria
    General Practice

    Complete Care Family Medical Clinic

    1231 N Avalon Blvd, 
    Wilmington, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Homayoun Siman is a primary care provider, practicing in General Practice in Wilmington, California. Dr. Siman is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 56 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, Hypertensive Heart Disease, and Osteotomy. Dr. Siman is currently accepting new patients.

    Advanced in Homocystinuria
    Internal Medicine
    Advanced in Homocystinuria
    Internal Medicine

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Thomas Hryniewicki is a primary care provider, practicing in Internal Medicine in Orange, California. Dr. Hryniewicki is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 43 other conditions, according to our data. His clinical expertise encompasses Autoerythrocyte Sensitivity, Purpura, Gardner-Diamond Syndrome, and Cirrhosis. Dr. Hryniewicki is board certified in American Board Of Internal Medicine. Dr. Hryniewicki is currently accepting new patients.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Cucamonga Valley Medical Group, Inc.

    5562 Philadelphia St, 
    Chino, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jesse Minguez is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Minguez is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Alcoholic Neuropathy. Dr. Minguez is board certified in American Board Of Family Medicine. Dr. Minguez is currently accepting new patients.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Cucamonga Valley Medical Group

    7777 Milliken Ave Ste 240, 
    Rancho Cucamonga, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eric Bekemeier is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Bekemeier is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Obesity, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma. Dr. Bekemeier is currently accepting new patients.

    Advanced in Homocystinuria
    Advanced in Homocystinuria

    Cucamonga Valley Medical Group, Inc.

    16465 Sierra Lakes Pkwy, 
    Fontana, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kimberly Bekemeier is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Bekemeier is rated as an Advanced 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 Obesity, Obesity in Children, Cirrhosis, and High Cholesterol. Dr. Bekemeier is board certified in American Board Of Family Medicine. Dr. Bekemeier is currently accepting new patients.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Office

    1750 E Arenas Rd Ste 2, 
    Palm Springs, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Howard Levy is a primary care provider, practicing in Family Medicine in Palm Springs, California. Dr. Levy is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Palindromic Rheumatism, Arrhythmogenic Right Ventricular Cardiomyopathy, Glossitis, and Pernicious Anemia. Dr. Levy is currently accepting new patients.

    Advanced in Homocystinuria
    Internal Medicine
    Advanced in Homocystinuria
    Internal Medicine

    Felice L Gersh MD Inc

    16300 Sand Canyon Ave Ste 311, 
    Irvine, CA 
    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.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Beaver Medical Group PC

    33758 Yucaipa Blvd, 
    Yucaipa, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Tonya Yoney is a primary care provider, practicing in Family Medicine in Yucaipa, California. Dr. Yoney is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, and Purpura. Dr. Yoney is currently accepting new patients.

    Advanced in Homocystinuria
    Internal Medicine
    Advanced in Homocystinuria
    Internal Medicine

    Raluca Arimie Medical Corporation

    7325 Medical Center Dr Ste 306, 
    West Hills, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Narsis Moshfeghi is a primary care provider, practicing in Internal Medicine in West Hills, California. Dr. Moshfeghi is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. She is also highly rated in 37 other conditions, according to our data. Her clinical expertise encompasses Degos Disease, Sitosterolemia, Anemia, and Homocystinuria due to MTHFR Deficiency. Dr. Moshfeghi is currently accepting new patients.

    Advanced in Homocystinuria
    Internal Medicine
    Advanced in Homocystinuria
    Internal Medicine

    Geriatric Medicine Huntington Beach

    19582 Beach Blvd Ste 250, 
    Huntington Beach, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Son Nguyen is a primary care provider, practicing in Internal Medicine in Huntington Beach, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, Ureteroscopy, and Colonoscopy. Dr. Nguyen is currently accepting new patients.

    Advanced in Homocystinuria
    Internal Medicine
    Advanced in Homocystinuria
    Internal Medicine

    Optum - Weir Canyon

    781 S Weir Canyon Rd, 
    Anaheim, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Pratik Gandhi is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Gandhi is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Hypothyroidism, High Cholesterol, Obesity in Children, and Folate Deficiency. Dr. Gandhi is board certified in American Board Of Family Medicine. Dr. Gandhi is currently accepting new patients.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine
    2 Scripps Dr., Suite 208, 
    Sacramento, CA 
    Languages Spoken:
    English, Farsi, Turkish
    Accepting New Patients

    Saman Teymouri is a primary care provider, practicing in Internal Medicine in Sacramento, California. Dr. Teymouri is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Anemia, High Cholesterol, Dyserythropoietic Anemia and Thrombocytopenia, and Gout. Dr. Teymouri is currently accepting new patients.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Complete Care Community Health Center

    Los Angeles, CA 
    Languages Spoken:
    English, Arabic, Spanish
    Accepting New Patients

    Ghassan Al-Jazayrly is a primary care provider, practicing in Internal Medicine in Los Angeles, California. Dr. Al-Jazayrly is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 38 other conditions, according to our data. His clinical expertise encompasses Anemia, Small Cell Lung Cancer (SCLC), Lung Cancer, and Familial Colorectal Cancer. Dr. Al-Jazayrly is board certified in American Board Of Internal Medicine. Dr. Al-Jazayrly is currently accepting new patients.

    Advanced in Homocystinuria
    Internal Medicine
    Advanced in Homocystinuria
    Internal Medicine

    ProHealth Partners Medical Group

    1045 Atlantic Ave, Ste 505, 
    Long Beach, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Peter Ferrera is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. Ferrera is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Ascites, Familial Hypertension, Hypertension, Gastrostomy, and Ureteroscopy. Dr. Ferrera is board certified in American Board Of Internal Medicine.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Edmund H. Lew, MD Private Practice

    1505 Wilson Terr, Ste 250, 
    Glendale, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edmund Lew is a primary care provider, practicing in Family Medicine in Glendale, California. Dr. Lew is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Acute Cystitis, Hypothyroidism, Prostatectomy, and Endoscopy. Dr. Lew is board certified in Family Medicine and Family Medicine (Sub: Geriatric Medicine). Dr. Lew is currently accepting new patients.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Adventist Health Sonora

    900 Mono Way, 
    Sonora, CA 
    Languages Spoken:
    English
    Accepting New Patients

    David Allen is a primary care provider, practicing in Internal Medicine in Sonora, California. Dr. Allen is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Osteoarthritis, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Allen is currently accepting new patients.

    Showing 1-20 of 265

    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 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 Homocystinuria 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 Homocystinuria 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 Homocystinuria 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 Homocystinuria 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 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 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 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 Orange, 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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