The 20 Best Hypothyroidism Doctors Near Me in Diamond Bar, CA

Find the Top Hypothyroidism Experts and Specialists

Last Updated: 04/28/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 536 doctor with experience in Hypothyroidism near Diamond Bar, CA. Of these, 490 are Experienced, 42 are Advanced and 4 are Distinguished.

Location
LocationClose
536 providers found
    Experienced in Hypothyroidism
    Pediatrics | Internal Medicine
    Experienced in Hypothyroidism
    Pediatrics | Internal Medicine
    2707 South Diamond Bar Boulevard, Suite 104, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Ou is a primary care provider, practicing in Pediatrics and Internal Medicine in Diamond Bar, California. Dr. Ou is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Febrile Neutropenia, and Vitamin D Deficiency.

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

    Chaparral Medical Group, Inc.

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

    Ewa Konca is an Internal Medicine specialist and an Endocrinologist practicing medicine in Pomona, California. She has been practicing medicine for over 33 years. Dr. Konca is rated as a Distinguished provider by MediFind in the treatment of Hypothyroidism. She is also highly rated in 59 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Obesity in Children, Obesity, and Hypothyroidism. Dr. Konca is board certified in American Board Of Internal Medicine.

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

    Becky Muldoon is an Endocrinologist practicing medicine in Yorba Linda, California. She has been practicing medicine for over 17 years. Dr. Muldoon is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Thyroid Nodule, Hypothyroidism, and Hashimoto Thyroiditis. Dr. Muldoon is currently accepting new patients.

    Learn about our expert tiers
    Advanced in Hypothyroidism
    General Practice | Internal Medicine
    Advanced in Hypothyroidism
    General Practice | Internal Medicine

    Office

    1840 N Hacienda Blvd Ste 6, 
    La Puente, CA 
     (7.5 miles away)
    Languages Spoken:
    English

    Jesus Arenas is a primary care provider, practicing in General Practice and Internal Medicine in La Puente, California. Dr. Arenas is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Arthritis, Hypertensive Heart Disease, Enlarged Liver, and Type 2 Diabetes (T2D).

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology

    Office

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

    Rambod Amani is an Endocrinologist practicing medicine in San Dimas, California. Dr. Amani is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypothyroidism, Graves Disease, and Maturity Onset Diabetes of the Young.

    Advanced in Hypothyroidism
    Endocrinology
    Advanced in Hypothyroidism
    Endocrinology

    J & K Orthopedics Inc.

    224 W College St, 
    Covina, CA 
     (7.6 miles away)
    Languages Spoken:
    English

    Arsalan Geula is an Endocrinologist practicing medicine in Covina, California. Dr. Geula is rated as an Advanced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Thyroid Nodule, and Diabetic Hyperglycemic Hyperosmolar Syndrome.

    Experienced in Hypothyroidism
    Family Medicine | Pediatrics
    Experienced in Hypothyroidism
    Family Medicine | Pediatrics

    Caduceus Medical Group

    18200 Yorba Linda Blvd, Suite 250, 
    Yorba Linda, CA 
     (7.8 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. He has been practicing medicine for over 38 years. Dr. Ponzio is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His clinical expertise encompasses High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Ponzio is board certified in American Board Of Family Medicine.

    Distinguished in Hypothyroidism
    Distinguished in Hypothyroidism

    Psychiatry Washington Medical Office Building

    12291 Washington Blvd Ste 205, 
    Whittier, CA 
     (14.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christian Gastelum is an Endocrinologist practicing medicine in Whittier, California. Dr. Gastelum is rated as a Distinguished provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Infant Hyperglycemia, Type 2 Diabetes (T2D), Hypothyroidism, and Maturity Onset Diabetes of the Young.

    Experienced in Hypothyroidism
    Family Medicine | Geriatrics
    Experienced in Hypothyroidism
    Family Medicine | Geriatrics
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Rhodes is a primary care provider, practicing in Family Medicine and Geriatrics in Diamond Bar, California. Dr. Rhodes is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English

    Douglas Starr is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Starr is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Hypertensive Heart Disease, Enlarged Liver, High Cholesterol, and Type 2 Diabetes (T2D).

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Aaron Lin is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His clinical expertise encompasses High Cholesterol, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Sciatica, and Chronic Pain. Dr. Lin is currently accepting new patients.

    Experienced in Hypothyroidism
    Endocrinology
    Experienced in Hypothyroidism
    Endocrinology

    H. Shah M.D. Inc.

    23341 Golden Springs Dr Ste 210, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Hitendra Shah is a primary care provider, practicing in Endocrinologist in Diamond Bar, California. Dr. Shah is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His clinical expertise encompasses Obesity in Children, Hypothyroidism, Vitamin D Deficiency, and Peripheral Neuropathy.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Patrick Bachoura is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Bachoura is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. His clinical expertise encompasses Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, Chronic Pain, and Osteomyelitis in Children. Dr. Bachoura is currently accepting new patients.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine
    253 South Diamond Bar Boulevard, 
    Diamond Bar, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lilian Li is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Li is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Hypertension, and Familial Hypertension. Dr. Li is currently accepting new patients.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine

    Sharma Medical Clinic

    315 S Diamond Bar Blvd, 
    Diamond Bar, CA 
     (1.3 miles away)
    Experience:
    14+ years
    Languages Spoken:
    English

    Ekta Sharma is a primary care provider, practicing in Family Medicine in Diamond Bar, California. She has been practicing medicine for over 14 years. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), Familial Combined Hyperlipidemia, and Xanthoma. Dr. Sharma is board certified in American Board Of Family Medicine.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine

    St. Jude Heritage Diamond Bar-Primary Care

    1514 Valley Vista Dr, 
    Diamond Bar, CA 
     (1.7 miles away)
    Languages Spoken:
    English

    Jeanette Castro is a primary care provider, practicing in Family Medicine in Diamond Bar, California. Dr. Castro is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her clinical expertise encompasses Cerebellar Multiple System Atrophy, Hepatocerebral Degeneration, High Cholesterol, and Osteomyelitis in Children.

    Experienced in Hypothyroidism
    Internal Medicine
    Experienced in Hypothyroidism
    Internal Medicine

    Optum - Diamond Bar

    750 N Diamond Bar Blvd, 
    Diamond Bar, CA 
     (2.2 miles away)
    Experience:
    23+ years
    Languages Spoken:
    English
    Offers Telehealth

    Lorindha Argudo is a primary care provider, practicing in Internal Medicine in Diamond Bar, California. She has been practicing medicine for over 23 years. Dr. Argudo is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. Her clinical expertise encompasses Osteomyelitis in Children, High Cholesterol, Type 2 Diabetes (T2D), and Hypertension. Dr. Argudo is board certified in American Board Of Internal Medicine.

    Experienced in Hypothyroidism
    Family Medicine | Internal Medicine
    Experienced in Hypothyroidism
    Family Medicine | Internal Medicine

    Jonah Medical Group, Inc

    20627 Golden Springs Dr, 
    Diamond Bar, CA 
     (2.5 miles away)
    Experience:
    14+ years
    Languages Spoken:
    English
    Offers Telehealth

    Jun Chung is a primary care provider, practicing in Internal Medicine and Family Medicine in Diamond Bar, California. He has been practicing medicine for over 14 years. Dr. Chung is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Shingles, Familial Combined Hyperlipidemia, Xanthoma, Endoscopy, and Pacemaker Implantation. Dr. Chung is board certified in American Board Of Internal Medicine.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine

    Luis Perez M.D. A Professional Corp.

    716 E Mission Blvd Ste D, 
    Pomona, CA 
     (4.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Luis Mejia is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Mejia is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Infant Hyperglycemia.

    Experienced in Hypothyroidism
    Family Medicine
    Experienced in Hypothyroidism
    Family Medicine

    Western Univ. Of Health Sciences

    795 E 2nd St Ste 5, 
    Pomona, CA 
     (4.3 miles away)
    Languages Spoken:
    English

    Nghia Phan is a primary care provider, practicing in Family Medicine in Pomona, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Hypothyroidism. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Cirrhosis, and Familial Combined Hyperlipidemia.

    Showing 1-20 of 536

    Last Updated: 04/28/2026

    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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 Diamond Bar, 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 

    Read more about our Content Policy

    More Hypothyroidism Doctors by city