The 20 Best Hypothyroidism Doctors Near Me in Fullerton, CA

Find the Top Hypothyroidism Experts and Specialists

The 20 Best Hypothyroidism Doctors near Fullerton, CA

Last Updated: 02/22/2026

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MediFind found 826 doctor with experience in Hypothyroidism near Fullerton, CA. Of these, 774 are Experienced, 50 are Advanced and 2 are Distinguished.

Location
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826 providers found
    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology
    100 East Valencia Mesa Drive, Suite 105, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Gilbert is an Endocrinologist in Fullerton, California. Dr. Gilbert is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Type 2 Diabetes (T2D), Hashimoto Thyroiditis, Thyroid Nodule, and Obesity in Children. Dr. Gilbert is currently accepting new patients.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology
    100 East Valencia Mesa Drive, Suite 105, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jason Ling is an Endocrinologist in Fullerton, California. Dr. Ling is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Type 2 Diabetes (T2D), and Osteopenia. Dr. Ling is currently accepting new patients.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology
    100 East Valencia Mesa Drive, Suite 105, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Steven Saltman is an Endocrinologist in Fullerton, California. Dr. Saltman is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Hypothyroidism, and Thyroid Nodule.

    Learn about our expert tiers
    Experienced in Hypothyroidism
    Internal Medicine
    Experienced in Hypothyroidism
    Internal Medicine
    400 North Euclid Street, 
    Fullerton, CA 
     (0.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Lee is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Osteomyelitis in Children, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Hypothyroidism
    Endocrinology
    Experienced in Hypothyroidism
    Endocrinology
    100 East Valencia Mesa Drive, Suite 105, 
    Fullerton, CA 
     (1.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Bradley Neutel is an Endocrinologist in Fullerton, California. Dr. Neutel is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Pituitary Tumor, Necrotizing Myopathy (NM), Type 2 Diabetes (T2D), and Thyroid Nodule. Dr. Neutel is currently accepting new patients.

    Experienced in Hypothyroidism
    Endocrinology
    Experienced in Hypothyroidism
    Endocrinology

    St. Jude Heritage Fullerton-Endocrinology

    100 E Valencia Mesa Dr Ste 105, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English

    Michael Kuo is an Endocrinologist in Fullerton, California. Dr. Kuo is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Empty Sella Syndrome, Thyroid Nodule, Postmenopausal Osteoporosis, and Osteoporosis.

    Experienced in Hypothyroidism
    Endocrinology
    Experienced in Hypothyroidism
    Endocrinology

    St. Jude Heritage Fullerton-Endocrinology

    100 E Valencia Mesa Dr Ste 105, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Erene Sami is an Endocrinologist in Fullerton, California. Dr. Sami is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Thyroid Cancer, and Follicular Thyroid Cancer.

    Experienced in Hypothyroidism
    Endocrinology
    Experienced in Hypothyroidism
    Endocrinology

    Office

    100 E Valencia Mesa Dr Ste 105, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English

    Serhat Aytug is an Endocrinologist in Fullerton, California. Dr. Aytug is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Pituitary Tumor, Type 2 Diabetes (T2D), Thyroid Nodule, and Prolactinoma.

    Experienced in Hypothyroidism
    Endocrinology
    Experienced in Hypothyroidism
    Endocrinology

    Optum-Euclid

    925 S Euclid St, 
    Anaheim, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sonaina Sonaina is an Endocrinologist in Anaheim, California. Dr. Sonaina is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Secondary Adrenal Insufficiency, and Addison's Disease.

    Michael Tran
    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology

    Southern California Endocrine Medical Group PMC

    1310 W Stewart Dr Ste 215, 
    Orange, CA 
     (7.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Michael Tran is an Endocrinologist in Orange, California. Dr. Tran 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, Diabetic Nephropathy, and Hyperthyroidism.

    Advanced in Hypothyroidism
    Endocrinology | Internal Medicine
    Advanced in Hypothyroidism
    Endocrinology | Internal Medicine

    Aleem A Syed MD A Prof Corp

    1211 W La Palma Ave, 
    Anaheim, CA 
     (1.7 miles away)
    Experience:
    48+ years
    Languages Spoken:
    English
    Offers Telehealth

    Aleem Syed is an Internal Medicine specialist and an Endocrinologist in Anaheim, California. Dr. Syed has been practicing medicine for over 48 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), Hypothyroidism, Type 1 Diabetes (T1D), and Obesity in Children.

    Advanced in Hypothyroidism
    Internal Medicine
    Advanced in Hypothyroidism
    Internal Medicine
    2141 North Harbor Boulevard, Suite 25000, 
    Fullerton, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Leo Garcia is a primary care provider, practicing in Internal Medicine in Fullerton, California. Dr. Garcia is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are High Cholesterol, Sitosterolemia, Chronic Cough, and Vitamin D Deficiency.

    Smitha Sathyaprakash
    Experienced in Hypothyroidism
    Internal Medicine
    Experienced in Hypothyroidism
    Internal Medicine

    Office

    1325 N Anaheim Blvd Fl 2, 
    Anaheim, CA 
     (2.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Smitha Sathyaprakash is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Sathyaprakash is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Paraplegia, Maturity Onset Diabetes of the Young, and Familial Hypertension.

    Advanced in Hypothyroidism
    Family Medicine
    Advanced in Hypothyroidism
    Family Medicine

    Central City Community Health Center Inc

    2237 W Ball Rd, 
    Anaheim, CA 
     (4.2 miles away)
    Experience:
    39+ years
    Languages Spoken:
    English

    Hung Doan is a primary care provider, practicing in Family Medicine in Anaheim, California. Dr. Doan has been practicing medicine for over 39 years and is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Obesity in Children, High Cholesterol, Obesity, and Type 2 Diabetes (T2D).

    Advanced in Hypothyroidism
    Internal Medicine
    Advanced in Hypothyroidism
    Internal Medicine

    Central City Community Health Center Inc

    2237 W Ball Rd, 
    Anaheim, CA 
     (4.2 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English
    Offers Telehealth

    Bahaa Girgis is a primary care provider, practicing in Internal Medicine in Anaheim, California. Dr. Girgis has been practicing medicine for over 37 years and is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are Schizoaffective Disorder, Autism Spectrum Disorder, End-Stage Renal Disease (ESRD), and Epilepsy.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology
    4300 Rose Drive, Suite G, 
    Yorba Linda, CA 
     (5.2 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Becky Muldoon is an Endocrinologist in Yorba Linda, California. Dr. Muldoon has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Thyroid Nodule, Hypothyroidism, and Hashimoto Thyroiditis. Dr. Muldoon is currently accepting new patients.

    Dennis J. Ponzio
    Experienced in Hypothyroidism
    Family Medicine | Pediatrics
    Experienced in Hypothyroidism
    Family Medicine | Pediatrics

    Caduceus Medical Group

    18200 Yorba Linda Blvd, Suite 250, 
    Yorba Linda, CA 
     (6.4 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Offers Telehealth

    Dennis Ponzio is a primary care provider, practicing in Pediatrics and Family Medicine in Yorba Linda, California. Dr. Ponzio has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology
    1310 West Stewart Drive, Suite 610, 
    Orange, CA 
     (6.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ivy-joan Madu is an Endocrinologist in Orange, California. Dr. Madu is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Obesity in Children, Hypothyroidism, and Thyroid Nodule. Dr. Madu is currently accepting new patients.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology

    PIH Health Physicians

    12400 Bloomfield Ave, 
    Santa Fe Springs, CA 
     (8.7 miles away)
    Languages Spoken:
    English

    Ghasak Mahmood is an Endocrinologist in Santa Fe Springs, California. Dr. Mahmood is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. Her top areas of expertise are Type 2 Diabetes (T2D), Thyroid Nodule, Obesity in Children, and Hyperparathyroidism.

    Distinguished in Hypothyroidism
    Endocrinology
    Distinguished in Hypothyroidism
    Endocrinology

    Steven L Eng MD Inc

    3801 Katella Ave, 
    Los Alamitos, CA 
     (9.3 miles away)
    Experience:
    27+ years
    Languages Spoken:
    English

    Steven Eng is an Endocrinologist in Los Alamitos, California. Dr. Eng 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 Hypothyroidism, Type 2 Diabetes (T2D), Graves Disease, and Obesity in Children.

    Showing 1-20 of 826

    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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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 Fullerton, 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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