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    Last Updated: 10/30/2025

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    MediFind found 270 doctor with experience in Hypothyroidism near Ontario, CA. Of these, 243 are Experienced, 23 are Advanced and 4 are Distinguished.

    Location
    LocationClose
    270 providers found
      Distinguished in Hypothyroidism
      Endocrinology
      Distinguished in Hypothyroidism
      Endocrinology

      Chaparral Medical Group Inc

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

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

      Experienced in Hypothyroidism
      Family Medicine
      Experienced in Hypothyroidism
      Family Medicine

      Chino Hills Family Medical Group

      15361 Central Avenue, 
      Chino, CA 
       (4.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Cynthia Moreno is a primary care provider, practicing in Family Medicine in Chino, California. Dr. Moreno is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Empyema, Sinusitis, Cellulitis, and Vertigo.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Experienced in Hypothyroidism
      Family Medicine | Internal Medicine
      Experienced in Hypothyroidism
      Family Medicine | Internal Medicine

      Aspen Family Medicine And Geriatrics

      Rancho Cucamonga, CA 
       (4.7 miles away)
      Languages Spoken:
      English

      Imdad Ahmad is a primary care provider, practicing in Family Medicine and Internal Medicine in Rancho Cucamonga, California. Dr. Ahmad is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Obesity in Children, Obesity, Food Allergy, and Type 2 Diabetes (T2D).

      Learn about our expert tiers
      Advanced in Hypothyroidism
      Endocrinology
      Advanced in Hypothyroidism
      Endocrinology

      Bashar G Saad MD Inc

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

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

      Advanced in Hypothyroidism
      Internal Medicine
      Advanced in Hypothyroidism
      Internal Medicine
      8283 Grove Ave, Suite 201, 
      Rancho Cucamonga, CA 
       (2.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Sean To is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. To is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Glucocorticoid-Remediable Aldosteronism.

      Advanced in Hypothyroidism
      Internal Medicine
      Advanced in Hypothyroidism
      Internal Medicine
      1004 W Foothill Blvd, 
      Upland, CA 
       (3.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Susan Biegel is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Biegel is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Sitosterolemia, Vitamin D Deficiency, Hypervitaminosis D, and High Cholesterol.

      Advanced in Hypothyroidism
      Endocrinology
      Advanced in Hypothyroidism
      Endocrinology
      1183 E Foothill Blvd, Suite 260, 
      Upland, CA 
       (3.1 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 Hypothyroidism. Her top areas of expertise are Hyperthyroidism, Sheehan Syndrome, Hypopituitarism, and Isolated Hypogonadotropic Hypogonadism.

      Advanced in Hypothyroidism
      Endocrinology
      Advanced in Hypothyroidism
      Endocrinology

      Telemedicine Group PC

      9471 Haven Ave, Suite 140, 
      Rancho Cucamonga, CA 
       (4.4 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 Hypothyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Thyroid Storm, and Low Testosterone.

      Advanced in Hypothyroidism
      Endocrinology
      Advanced in Hypothyroidism
      Endocrinology

      Telemedicine Group PC

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

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

      Advanced in Hypothyroidism
      Family Medicine
      Advanced in Hypothyroidism
      Family Medicine

      Premier Family Medicine Associates, Inc

      1601 Monte Vista Ave, Suite 190, 
      Claremont, CA 
       (4.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Lester Holstein is a primary care provider, practicing in Family Medicine in Claremont, California. Dr. Holstein is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are High Cholesterol, Acne, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Advanced in Hypothyroidism
      Family Medicine
      Advanced in Hypothyroidism
      Family Medicine

      Pomona Community Health Center

      2680 E Riverside Dr, 
      Ontario, CA 
       (4.4 miles away)
      Languages Spoken:
      English

      Greg Maler is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Maler is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, Anemia, and Vitamin D Deficiency.

      Distinguished in Hypothyroidism
      Family Medicine
      Distinguished in Hypothyroidism
      Family Medicine
      8231 Rochester Ave, Suite 110, 
      Rancho Cucamonga, CA 
       (6.5 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 a Distinguished provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Hypercalcemia, Milk-Alkali Syndrome, Type 2 Diabetes (T2D), Hormone Replacement Therapy (HRT), and Parathyroidectomy.

      Experienced in Hypothyroidism
      General Practice
      Experienced in Hypothyroidism
      General Practice
      402 E Holt Blvd, 
      Ontario, CA 
       (0.1 miles away)
      Languages Spoken:
      English

      David Lozano is a primary care provider, practicing in General Practice in Ontario, California. Dr. Lozano is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Cirrhosis.

      Experienced in Hypothyroidism
      Experienced in Hypothyroidism
      517 E Holt Blvd, 
      Ontario, CA 
       (0.2 miles away)
      Languages Spoken:
      English

      David Hernandez-Rodriguez is a primary care provider, practicing in Internal Medicine in Ontario, California. Dr. Hernandez-Rodriguez is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Osteomyelitis in Children, Type 2 Diabetes (T2D), Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Experienced in Hypothyroidism
      Internal Medicine
      Experienced in Hypothyroidism
      Internal Medicine

      Knd Development 59 LLC

      550 N Monterey Ave, 
      Ontario, CA 
       (0.4 miles away)
      Languages Spoken:
      English

      Brazell Carter is a primary care provider, practicing in Internal Medicine in Ontario, California. Dr. Carter is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Nonsyndromic Hearing Loss, Mumps, Congenital Mumps, and Maturity Onset Diabetes of the Young.

      Experienced in Hypothyroidism
      Family Medicine
      Experienced in Hypothyroidism
      Family Medicine

      Pomona Community Health Center

      1556 S Sultana Ave, 
      Ontario, CA 
       (1.3 miles away)
      Experience:
      16+ years
      Languages Spoken:
      English

      Jing Moy is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Moy has been practicing medicine for over 16 years and is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are High Cholesterol, Obesity in Children, Type 2 Diabetes (T2D), and Tension Headache.

      Experienced in Hypothyroidism
      Geriatrics | Internal Medicine
      Experienced in Hypothyroidism
      Geriatrics | Internal Medicine

      Our Family Medical Group Inc

      1131 W 6th St, Suite 150, 
      Ontario, CA 
       (1.9 miles away)
      Languages Spoken:
      English

      Hedy Loa is a primary care provider, practicing in Geriatrics and Internal Medicine in Ontario, California. Dr. Loa is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Obesity, Osteomyelitis in Children, Gastrostomy, and Endoscopy.

      Experienced in Hypothyroidism
      Family Medicine
      Experienced in Hypothyroidism
      Family Medicine

      Our Family Medical Group Inc

      1131 W 6th St, Suite 150, 
      Ontario, CA 
       (1.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Usha Mantha is a primary care provider, practicing in Family Medicine in Ontario, California. Dr. Mantha is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Ascites, Obesity, Obesity in Children, and Type 2 Diabetes (T2D).

      Experienced in Hypothyroidism
      Family Medicine | General Practice
      Experienced in Hypothyroidism
      Family Medicine | General Practice
      300 N Euclid Ave, Suite B, 
      Upland, CA 
       (2.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Rick Hirsch is a primary care provider, practicing in Family Medicine and General Practice in Upland, California. Dr. Hirsch is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Multiple Myeloma, Hypertension, Glucocorticoid-Remediable Aldosteronism, Bone Marrow Aspiration, and Gastrostomy.

      Experienced in Hypothyroidism
      Family Medicine
      Experienced in Hypothyroidism
      Family Medicine
      1533 W 7th St, Apt 115, 
      Upland, CA 
       (2.4 miles away)
      Languages Spoken:
      English

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

      Showing 1-20 of 270

      Last Updated: 10/30/2025

      What is the definition of Hypothyroidism?

      Hypothyroidism is a condition in which the thyroid gland does not make enough thyroid hormone. This condition is often called underactive thyroid.

      When should I see a Hypothyroidism doctor near Ontario, 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 Hypothyroidism doctor near Ontario, 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 Hypothyroidism doctors near Ontario, 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 Hypothyroidism doctors near Ontario, 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 Hypothyroidism doctor near Ontario, 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 Hypothyroidism doctor search results page. 

      Why is it important to get a second opinion from a different Hypothyroidism 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 Hypothyroidism doctor near Ontario, 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 Hypothyroidism 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 Hypothyroidism 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 Hypothyroidism doctors near Ontario, CA?

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

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