The 20 Best Homocystinuria Doctors Near Me in Rancho Cucamonga, CA

Find the Top Homocystinuria Experts and Specialists

Last Updated: 02/22/2026

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MediFind found 22 doctor with experience in Homocystinuria near Rancho Cucamonga, CA. Of these, 13 are Experienced and 9 are Advanced.

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22 providers found
    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Office

    7777 Milliken Ave Ste 350, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sandra Force is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Force is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Homocystinuria, Methylmalonic Acidemia with Homocystinuria, Inborn Amino Acid Metabolism Disorder, and Platelet Storage Pool Deficiency.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Cucamonga Valley Medical Group

    7777 Milliken Ave Ste 240, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    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. His top areas of expertise are Obesity, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Cucamonga Valley Medical Group, Inc.

    7777 Milliken Ave, 
    Rancho Cucamonga, CA 
     (2.1 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mirelle Ignacio is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Ignacio has been practicing medicine for over 22 years and is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Obesity, Methylmalonic Acidemia with Homocystinuria, Sulfite Oxidase Deficiency, and Hypermethioninemia.

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

    Cucamonga Valley Medical Group, Inc.

    1310 San Bernardino Rd, 
    Upland, CA 
     (2.3 miles away)
    Experience:
    26+ years
    Languages Spoken:
    English
    Offers Telehealth

    Muhammad Mowjood is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Mowjood has been practicing medicine for over 26 years and is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Obesity, Methylmalonic Acidemia with Homocystinuria, Hypermethioninemia, and Sulfite Oxidase Deficiency.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Valiant Medical Group, Inc.

    8239 Rochester Ave, 
    Rancho Cucamonga, CA 
     (2.9 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English

    Chu Le is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Le has been practicing medicine for over 28 years and is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Type 2 Diabetes (T2D), Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Cucamonga Valley Medical Group, Inc.

    16465 Sierra Lakes Pkwy, 
    Fontana, CA 
     (4.6 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jesse Minguez is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Minguez has been practicing medicine for over 24 years and is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Alcoholic Neuropathy.

    Advanced in Homocystinuria
    Advanced in Homocystinuria

    Cucamonga Valley Medical Group, Inc.

    16465 Sierra Lakes Pkwy, 
    Fontana, CA 
     (4.6 miles away)
    Experience:
    19+ years
    Languages Spoken:
    English
    Offers Telehealth

    Kimberly Bekemeier is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Bekemeier has been practicing medicine for over 19 years and is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Obesity, Obesity in Children, Cirrhosis, and High Cholesterol.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Channell Family Medical Group

    8008 Haven Ave, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Patricia Guevara is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Guevara has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Silent Thyroiditis, Precocious Puberty, Vitamin D Deficiency, and Sitosterolemia.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Lothar McMillian M D Inc

    7777 Milliken Ave Ste 240, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ayman Fakeh is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Fakeh is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Obesity, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Experienced in Homocystinuria
    Family Medicine | General Practice
    Experienced in Homocystinuria
    Family Medicine | General Practice

    Sandra K Force - Obrowski, MD & Corliss R Shelton, MD

    7777 Milliken Ave Ste 350, 
    Rancho Cucamonga, CA 
     (0.9 miles away)
    Languages Spoken:
    English

    Corliss Shelton is a primary care provider, practicing in Family Medicine and General Practice in Rancho Cucamonga, California. Dr. Shelton is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Type 2 Diabetes (T2D), Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Armour, Richard L., D.O.

    1113 Alta Ave, 
    Upland, CA 
     (2.3 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English

    Richard Armour is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Armour has been practicing medicine for over 37 years and is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Inborn Amino Acid Metabolism Disorder, Osteomyelitis in Children, Bronchiolitis Obliterans, and Industrial Bronchitis.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Kim, Jin Man, M.D., Inc.

    8237 Rochester Ave, 
    Rancho Cucamonga, CA 
     (2.8 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English

    Jin Kim is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Kim has been practicing medicine for over 31 years and is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Hypertensive Heart Disease, Enlarged Liver, Restless Legs Syndrome, and Pediatric Myocarditis.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Optum - Upland

    299 W Foothill Blvd, 
    Upland, CA 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Florence Cappleman is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Cappleman is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Hemolytic Crisis, Congenital Hemolytic Anemia, Hemolytic Anemia, and Osteomyelitis in Children.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine
    299 W Foothill Blvd Ste 209, 
    Upland, CA 
     (3.9 miles away)
    Languages Spoken:
    English

    Wendy Rashidi is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Rashidi is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Homocystinuria, and Methylmalonic Acidemia with Homocystinuria.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Pomona Valley Eye Surgery Med Group

    2005 N Garey Ave, 
    Pomona, CA 
     (9.3 miles away)
    Languages Spoken:
    English

    Sergio Gomez is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Gomez is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Chronic Pancreatitis, Homocystinuria, Methylmalonic Acidemia with Homocystinuria, and Childhood Pancreatitis.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Cucamonga Valley Medical Group, Inc.

    5562 Philadelphia St, 
    Chino, CA 
     (7.2 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Brandon Tong is a primary care provider, practicing in Internal Medicine in Chino, California. Dr. Tong has been practicing medicine for over 15 years and is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Obesity, Hypolipoproteinemia, Tangier Disease, Fish-Eye Disease, and Ureteroscopy.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine

    Christopher C. Bautista DPM Inc

    5343 Riverside Dr, 
    Chino, CA 
     (8.1 miles away)
    Languages Spoken:
    English

    Ricardo Saca is a primary care provider, practicing in Internal Medicine in Chino, California. Dr. Saca is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Homocystinuria
    Internal Medicine
    Experienced in Homocystinuria
    Internal Medicine
    8110 Mango Ave, Suite 104, 
    Fontana, CA 
     (9.2 miles away)
    Languages Spoken:
    English

    Duc Nguyen is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Purpura.

    Advanced in Homocystinuria
    Family Medicine
    Advanced in Homocystinuria
    Family Medicine

    Optum - Eastvale

    14252 Schleisman Rd, 
    Eastvale, CA 
     (10.1 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English
    Offers Telehealth

    Anuradha Sathya is a primary care provider, practicing in Family Medicine in Eastvale, California. Dr. Sathya has been practicing medicine for over 31 years and is rated as an Advanced provider by MediFind in the treatment of Homocystinuria. Her top areas of expertise are Obesity in Children, Homocystinuria, Methylmalonic Acidemia with Homocystinuria, Moebius Syndrome, and Endoscopy.

    Experienced in Homocystinuria
    Family Medicine
    Experienced in Homocystinuria
    Family Medicine

    Norco Medical Group

    1901 Town And Country Dr, 
    Norco, CA 
     (12.5 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English
    Offers Telehealth

    Peter Mattar is a primary care provider, practicing in Family Medicine in Norco, California. Dr. Mattar has been practicing medicine for over 21 years and is rated as an Experienced provider by MediFind in the treatment of Homocystinuria. His top areas of expertise are Obesity in Children, Food Allergy, Insomnia, and Type 2 Diabetes (T2D).

    Showing 1-20 of 22

    Last Updated: 02/22/2026

    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 Rancho Cucamonga, 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 Rancho Cucamonga, 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 Rancho Cucamonga, 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 Rancho Cucamonga, 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 Rancho Cucamonga, 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 Rancho Cucamonga, 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 Rancho Cucamonga, 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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