The 20 Best Hypothyroidism Doctors Near Me in Upland, CA

Find the Top Hypothyroidism Experts and Specialists

The 20 Best Hypothyroidism Doctors near Upland, CA

Last Updated: 02/22/2026

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MediFind found 264 doctor with experience in Hypothyroidism near Upland, CA. Of these, 238 are Experienced, 23 are Advanced and 3 are Distinguished.

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264 providers found
    Tony Kastoon
    Distinguished in Hypothyroidism
    Endocrinology
    Distinguished in Hypothyroidism
    Endocrinology

    Bashar Saad, M.D., Inc.

    630 N 13th Ave, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English

    It is my goal to provide great care to my patients by utilizing my expertise in Endocrinology. Dr. Kastoon is rated as a Distinguished provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Thyroid Storm, Type 2 Diabetes (T2D), Hypothyroidism, and Hyperparathyroidism.

    Distinguished in Hypothyroidism
    Family Medicine
    Distinguished in Hypothyroidism
    Family Medicine

    Ravinder Singh, Md, Inc.

    525 N 13th Ave, 
    Upland, CA 
     (0.9 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Singh has been practicing medicine for over 27 years and is rated as a Distinguished provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Milk-Alkali Syndrome, Hypercalcemia, Type 2 Diabetes (T2D), Hormone Replacement Therapy (HRT), and Parathyroidectomy.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology

    Rubina Aqeel MD Inc.

    1183 E Foothill Blvd Ste 260, 
    Upland, CA 
     (0.9 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.

    Learn about our expert tiers
    Experienced in Hypothyroidism
    Internal Medicine
    Experienced in Hypothyroidism
    Internal Medicine

    Aspen Family Medicine And Geriatrics

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

    Imdad Ahmad is a primary care provider, practicing in 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).

    Advanced in Hypothyroidism
    Internal Medicine
    Advanced in Hypothyroidism
    Internal Medicine

    Susan Biegel MD Inc.

    1004 W Foothill Blvd Ste 200, 
    Upland, CA 
     (0.9 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
    Internal Medicine
    Advanced in Hypothyroidism
    Internal Medicine

    Grove Internal Medicine, Inc.

    8283 Grove Ave, 
    Rancho Cucamonga, CA 
     (1.2 miles away)
    Experience:
    28+ years
    Languages Spoken:
    English
    Offers Telehealth

    Sean To is a primary care provider, practicing in Internal Medicine in Rancho Cucamonga, California. Dr. To has been practicing medicine for over 28 years and 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

    Harvey D. Cohen M.D. Inc.

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

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

    Advanced in Hypothyroidism
    Family Medicine
    Advanced in Hypothyroidism
    Family Medicine

    Cucamonga Valley Medical Group

    7777 Milliken Ave Ste 240, 
    Rancho Cucamonga, CA 
     (4.0 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 Hypothyroidism. His top areas of expertise are Obesity, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

    Advanced in Hypothyroidism
    Family Medicine
    Advanced in Hypothyroidism
    Family Medicine

    Channell Family Medical Group

    8008 Haven Ave, 
    Rancho Cucamonga, CA 
     (4.1 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 Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Silent Thyroiditis, Precocious Puberty, Vitamin D Deficiency, and Sitosterolemia.

    Advanced in Hypothyroidism
    Family Medicine
    Advanced in Hypothyroidism
    Family Medicine

    Office

    1601 Monte Vista Ave Ste 100, 
    Claremont, CA 
     (4.3 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, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology

    Inland Endocrine

    9471 Haven Ave, 
    Rancho Cucamonga, CA 
     (4.4 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Offers Telehealth

    Stuart Seigel is an Endocrinologist in Rancho Cucamonga, California. Dr. Seigel has been practicing medicine for over 18 years and 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

    Inland Endocrine

    9471 Haven Ave, 
    Rancho Cucamonga, CA 
     (4.4 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Offers Telehealth

    Amitpal Kohli is an Endocrinologist in Rancho Cucamonga, California. Dr. Kohli has been practicing medicine for over 22 years and 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
    Endocrinology | Internal Medicine
    Advanced in Hypothyroidism
    Endocrinology | Internal Medicine

    Chaparral Medical Group, Inc.

    8330 Red Oak St, 
    Rancho Cucamonga, CA 
     (4.5 miles away)
    Experience:
    47+ years
    Languages Spoken:
    English

    Daryoosh Valamanesh is an Internal Medicine specialist and an Endocrinologist in Rancho Cucamonga, California. Dr. Valamanesh has been practicing medicine for over 47 years and is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Subacute Thyroiditis, Obesity, Gastrostomy, and Hernia Surgery.

    Advanced in Hypothyroidism
    Family Medicine
    Advanced in Hypothyroidism
    Family Medicine

    Fagan, John A. Family Practice, Inc.

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

    John Fagan is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Fagan has been practicing medicine for over 40 years and is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Ehlers-Danlos Syndrome (EDS), Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Advanced in Hypothyroidism
    Internal Medicine
    Advanced in Hypothyroidism
    Internal Medicine

    Rancho Cucamonga Medical Offices

    10850 Arrow Rte, 
    Rancho Cucamonga, CA 
     (4.6 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 Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Maturity Onset Diabetes of the Young, and Chronic Cough.

    Distinguished in Hypothyroidism
    Endocrinology | Internal Medicine
    Distinguished in Hypothyroidism
    Endocrinology | Internal Medicine

    Chaparral Medical Group, Inc.

    1866 N Orange Grove Ave, 
    Pomona, CA 
     (5.9 miles away)
    Experience:
    33+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ewa Konca is an Internal Medicine specialist and an Endocrinologist in Pomona, California. Dr. Konca has been practicing medicine for over 33 years and 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.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology

    Office

    1330 W Covina Blvd Ste 206, 
    San Dimas, CA 
     (9.3 miles away)
    Languages Spoken:
    English

    Rambod Amani is an Endocrinologist in San Dimas, California. Dr. Amani is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Hypothyroidism, Graves Disease, and Maturity Onset Diabetes of the Young.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine

    S. M. Hammad Rizvi, M.D., Inc.

    901 San Bernardino Rd, 
    Upland, CA 
     (0.6 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English

    Syed Rizvi is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Rizvi has been practicing medicine for over 25 years and is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Hypertensive Heart Disease, Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Gastrostomy, and Endoscopy.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine

    Win Family Medicine Inc.

    811 E 11th St Ste 205, 
    Upland, CA 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sandar Win is a primary care provider, practicing in Family Medicine in Upland, California. Dr. Win is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Hyperemesis Gravidarum, Morning Sickness, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Hypothyroidism
    Internal Medicine
    Experienced in Hypothyroidism
    Internal Medicine

    ProHealth Partners A Medical Group Inc.

    1042 San Bernardino Rd, 
    Upland, CA 
     (0.7 miles away)
    Languages Spoken:
    English

    Mansurur Khan is a primary care provider, practicing in Internal Medicine in Upland, California. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Renovascular Hypertension, Stroke, Hypertensive Heart Disease, Gastrostomy, and Endoscopy.

    Showing 1-20 of 264

    Last Updated: 02/22/2026

    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 Upland, 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 Upland, 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 Upland, 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 Upland, 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 Upland, 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 Upland, 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 Upland, 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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