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    Last Updated: 10/30/2025

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    MediFind found 81 doctor with experience in Hyperthyroidism near Rancho Cucamonga, CA. Of these, 73 are Experienced and 8 are Advanced.

    Location
    LocationClose
    81 providers found
      Advanced in Hyperthyroidism
      Endocrinology
      Advanced in Hyperthyroidism
      Endocrinology

      Chaparral Medical Group Inc

      9170 Haven Ave, Suite 120, 
      Rancho Cucamonga, CA 
       (1.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Ewa Konca is an Endocrinologist in Rancho Cucamonga, California. Dr. Konca is rated as an Advanced provider by MediFind in the treatment of Hyperthyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Obesity in Children, Obesity, and Hypothyroidism.

      Advanced in Hyperthyroidism
      Endocrinology
      Advanced in Hyperthyroidism
      Endocrinology

      Telemedicine Group PC

      9471 Haven Ave, Suite 140, 
      Rancho Cucamonga, CA 
       (2.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Stuart Seigel is an Endocrinologist in Rancho Cucamonga, California. Dr. Seigel is rated as an Advanced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Thyroid Storm, and Low Testosterone.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Advanced in Hyperthyroidism
      Endocrinology
      Advanced in Hyperthyroidism
      Endocrinology
      1183 E Foothill Blvd, Suite 260, 
      Upland, CA 
       (2.5 miles away)
      Languages Spoken:
      English

      Rubina Aqeel is an Endocrinologist in Upland, California. Dr. Aqeel is rated as an Advanced provider by MediFind in the treatment of Hyperthyroidism. Her top areas of expertise are Hyperthyroidism, Sheehan Syndrome, Hypopituitarism, and Isolated Hypogonadotropic Hypogonadism.

      Learn about our expert tiers
      Advanced in Hyperthyroidism
      Family Medicine
      Advanced in Hyperthyroidism
      Family Medicine
      8231 Rochester Ave, Suite 110, 
      Rancho Cucamonga, CA 
       (2.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Ravinder Singh is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Hypercalcemia, Milk-Alkali Syndrome, Type 2 Diabetes (T2D), Hormone Replacement Therapy (HRT), and Parathyroidectomy.

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine
      9140 Haven Ave Ste 112, 
      Rancho Cucamonga, CA 
       (0.9 miles away)
      Languages Spoken:
      English

      Ani Berberyan is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Berberyan is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. Her top areas of expertise are Obesity, Axillary Nerve Dysfunction, Sciatica, and High Cholesterol.

      Experienced in Hyperthyroidism
      Family Medicine | Geriatrics
      Experienced in Hyperthyroidism
      Family Medicine | Geriatrics

      John A Fagan MD Family Practice Inc

      10787 Laurel St, 
      Rancho Cucamonga, CA 
       (1.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      John Fagan is a primary care provider, practicing in Family Medicine and Geriatrics in Rancho Cucamonga, California. Dr. Fagan is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Ehlers-Danlos Syndrome (EDS), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

      Experienced in Hyperthyroidism
      Experienced in Hyperthyroidism

      John A Fagan MD Family Practice Inc

      10787 Laurel St, 
      Rancho Cucamonga, CA 
       (1.3 miles away)
      Experience:
      17+ years
      Languages Spoken:
      English
      Offers Telehealth

      Renier Rosquete-Mendez is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Rosquete-Mendez has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Obesity in Children, Food Allergy, Type 2 Diabetes (T2D), and High Cholesterol.

      Experienced in Hyperthyroidism
      Geriatrics | Internal Medicine
      Experienced in Hyperthyroidism
      Geriatrics | Internal Medicine

      Chaparral Medical Group Inc

      8330 Red Oak St, Suite 201, 
      Rancho Cucamonga, CA 
       (1.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Harvey Cohen is a primary care provider, practicing in Geriatrics and Internal Medicine in Rancho Cucamonga, California. Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Obesity.

      Experienced in Hyperthyroidism
      Internal Medicine
      Experienced in Hyperthyroidism
      Internal Medicine

      Rancho Cucamonga Medical Offices

      10850 Arrow Rte, 
      Rancho Cucamonga, CA 
       (1.5 miles away)
      Languages Spoken:
      English

      Iyad Hanna is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. Hanna is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Maturity Onset Diabetes of the Young, and Chronic Cough.

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine
      10841 White Oak Ave, 
      Rancho Cucamonga, CA 
       (1.6 miles away)
      Languages Spoken:
      English

      Kevin Metzger is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Metzger is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Obesity in Children, Food Allergy, Obesity, and High Cholesterol.

      Experienced in Hyperthyroidism
      Endocrinology
      Experienced in Hyperthyroidism
      Endocrinology

      Telemedicine Group PC

      9471 Haven Ave, Suite 140, 
      Rancho Cucamonga, CA 
       (2.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Amitpal Kohli is an Endocrinologist in Rancho Cucamonga, California. Dr. Kohli is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Low Testosterone, Diabetic Neuropathy, and Thyroid Storm.

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine

      Cucamonga Valley Medical Group Inc

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

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

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine

      Cucamonga Valley Medical Group Inc

      1310 San Bernardino Rd, Suite 105, 
      Upland, CA 
       (2.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Muhammad Mowjood is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Mowjood is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Obesity, Methylmalonic Acidemia with Homocystinuria, Sulfite Oxidase Deficiency, and Hypermethioninemia.

      Experienced in Hyperthyroidism
      Endocrinology
      Experienced in Hyperthyroidism
      Endocrinology

      Bashar G Saad MD Inc

      630 N 13th Ave, Suite F, 
      Upland, CA 
       (2.3 miles away)
      Languages Spoken:
      English

      Tahir Haytoglu is an Endocrinologist in Upland, California. Dr. Haytoglu is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Thyroid Storm, Hypothyroidism, and Hashimoto Thyroiditis.

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine

      Haven Elite Urgent Care

      6417 Haven Ave, Suite 110, 
      Rancho Cucamonga, CA 
       (2.3 miles away)
      Experience:
      16+ years
      Languages Spoken:
      English

      Michelle Oneil is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Oneil has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. Her top areas of expertise are Vitamin D Deficiency, High Cholesterol, Familial Combined Hyperlipidemia, and Xanthoma.

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine
      8235 Rochester Ave, Suite 110, 
      Rancho Cucamonga, CA 
       (2.8 miles away)
      Languages Spoken:
      English

      Viet Ta is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Ta is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Neuromyelitis Optica, Pseudotumor Cerebri Syndrome, Increased Intracranial Pressure, and High Cholesterol.

      Experienced in Hyperthyroidism
      Family Medicine | Internal Medicine
      Experienced in Hyperthyroidism
      Family Medicine | Internal Medicine
      8239 Rochester Ave, Suite 120, 
      Rancho Cucamonga, CA 
       (2.9 miles away)
      Languages Spoken:
      English

      Chu Le is a primary care provider, practicing in Family Medicine and Internal Medicine in Rancho Cucamonga, California. Dr. Le is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine

      Cucamonga Valley Medical Group Inc

      16465 Sierra Lakes Pkwy, Suite 300, 
      Fontana, CA 
       (4.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Jesse Dominguez is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Dominguez is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Alcoholic Neuropathy.

      Experienced in Hyperthyroidism
      Experienced in Hyperthyroidism

      Cucamonga Valley Medical Group Inc

      16465 Sierra Lakes Pkwy, Suite 300, 
      Fontana, CA 
       (4.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Kimberly Bekemeier is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Bekemeier is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. Her top areas of expertise are Obesity, Obesity in Children, Cirrhosis, and High Cholesterol.

      Experienced in Hyperthyroidism
      Family Medicine
      Experienced in Hyperthyroidism
      Family Medicine

      Namita Mohideen MD Inc

      16854 Ivy Ave #A, 
      Fontana, CA 
       (7.5 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Rubin Lin is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Hyperthyroidism. His top areas of expertise are Hypolipoproteinemia, Chorea-Acanthocytosis, Familial HDL Deficiency, and Tangier Disease.

      Showing 1-20 of 81

      Last Updated: 10/30/2025

      What is the definition of Hyperthyroidism?

      Hyperthyroidism is a condition in which the thyroid gland makes too much thyroid hormone. The condition is often called overactive thyroid.

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

      Why is it important to get a second opinion from a different Hyperthyroidism 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 Hyperthyroidism 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 Hyperthyroidism 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 Hyperthyroidism 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 Hyperthyroidism doctors near Rancho Cucamonga, CA?

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

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