The 20 Best Graves Disease Doctors Near Me in fontana, CA

Find the Top Graves Disease Experts and Specialists

Last Updated: 09/26/2026

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

MediFind found 48 doctor with experience in Graves Disease near fontana, CA. Of these, 41 are Experienced, 6 are Advanced and 1 are Distinguished.

Location
LocationClose
48 providers found
    Distinguished in Graves Disease
    Endocrinology
    Distinguished in Graves Disease
    Endocrinology
    Referral required

    Saad, Bashar G., M.D., Inc.

    399 E Highland Ave, 
    San Bernardino, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Bashar Saad is an Endocrinologist practicing medicine in San Bernardino, California. Dr. Saad is rated as a Distinguished provider by MediFind in the treatment of Graves Disease. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Thyroid Nodule, Toxic Nodular Goiter, Type 2 Diabetes (T2D), and Thyroid Storm. Dr. Saad is board certified in Internal Medicine (Sub: Endocrinology, Diabetes & Met and American Board Of Internal Medicine. Dr. Saad is currently accepting new patients.

    Experienced in Graves Disease
    Experienced in Graves Disease
    Referral required

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Matthew Mccauley is an Endocrinologist practicing medicine in Fontana, California. Dr. Mccauley is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Thyroid Nodule, Type 1 Diabetes (T1D), Thyroid Storm, and Adrenal Insufficiency Pediatric. Dr. Mccauley is currently accepting new patients.

    Experienced in Graves Disease
    Endocrinology
    Experienced in Graves Disease
    Endocrinology
    Referral required

    Fontana Medical Center

    9961 Sierra Ave, 
    Fontana, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Arianne Marino is an Endocrinologist practicing medicine in Fontana, California. Dr. Marino is rated as an Experienced provider by MediFind in the treatment of Graves Disease. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Addison's Disease, Secondary Adrenal Insufficiency, Triple A Syndrome, and Adrenal Insufficiency Pediatric. Dr. Marino is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Graves Disease
    Experienced in Graves Disease
    Referral may be required

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (5.0 miles away)
    Languages Spoken:
    English

    Kris Storkersen is an Ophthalmologist practicing medicine in Colton, California. Dr. Storkersen is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Glaucoma, Diabetic Retinopathy, Neuroretinitis, and Cataract.

    Experienced in Graves Disease
    Family Medicine
    Experienced in Graves Disease
    Family Medicine

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (5.0 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Eugene Ho is a primary care provider, practicing in Family Medicine in Colton, California. He has been practicing medicine for over 17 years. Dr. Ho is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, and Diabetic Neuropathy.

    Experienced in Graves Disease
    Family Medicine
    Experienced in Graves Disease
    Family Medicine

    Ravinder Singh, Md, Inc.

    8231 Rochester Ave, 
    Rancho Cucamonga, CA 
     (6.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Singh is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 121 other conditions, according to our data. His clinical expertise encompasses Hypercalcemia, Milk-Alkali Syndrome, Type 2 Diabetes (T2D), Hormone Replacement Therapy (HRT), and Parathyroidectomy. Dr. Singh is board certified in American Board Of Family Medicine. Dr. Singh is currently accepting new patients.

    Experienced in Graves Disease
    Family Medicine
    Experienced in Graves Disease
    Family Medicine

    Aureus Medical Group, Inc.

    7974 Haven Ave, 
    Rancho Cucamonga, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Steven Barag is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Barag is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Sciatica, Eunuchoidism Familial Hypogonadotropic, and Male Pseudohermaphroditism with Gynecomastia. Dr. Barag is board certified in American Osteopathic Board Of Family Practice. Dr. Barag is currently accepting new patients.

    Advanced in Graves Disease
    Endocrinology
    Advanced in Graves Disease
    Endocrinology
    Referral required

    Inland Endocrine

    9471 Haven Ave, 
    Rancho Cucamonga, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Stuart Seigel is an Endocrinologist practicing medicine in Rancho Cucamonga, California. Dr. Seigel is rated as an Advanced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Type 1 Diabetes (T1D), Thyroid Storm, and Low Testosterone. Dr. Seigel is board certified in American Board Of Internal Medicine. Dr. Seigel is currently accepting new patients.

    Advanced in Graves Disease
    Advanced in Graves Disease
    Referral required

    Endocrine Advantage A Medical Corp.

    10807 Laurel St Ste 200, 
    Rancho Cucamonga, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Silvana Giannelli is an Endocrinologist practicing medicine in Rancho Cucamonga, California. Dr. Giannelli is rated as an Advanced provider by MediFind in the treatment of Graves Disease. She is also highly rated in 25 other conditions, according to our data. Her clinical expertise encompasses Juvenile Primary Osteoporosis, Graves Disease, Thyroid Storm, and Addison's Disease. Dr. Giannelli is currently accepting new patients.

    Advanced in Graves Disease
    Advanced in Graves Disease
    Referral required

    Bashar G. Saad, M.D., Inc

    399 E Highland Ave, Ste 227, 
    San Bernardino, CA 
     (9.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Almoutaz Shakally is an Endocrinologist practicing medicine in San Bernardino, California. Dr. Shakally is rated as an Advanced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypothyroidism, Hyperthyroidism, and Thyroid Storm. Dr. Shakally is board certified in Internal Medicine (Sub: Endocrinology, Diabetes & Met, American Board Of Internal Medicine, and Internal Medicine. Dr. Shakally is currently accepting new patients.

    Experienced in Graves Disease
    Internal Medicine
    Experienced in Graves Disease
    Internal Medicine

    Rancho Cucamonga Medical Offices

    10850 Arrow Rte, 
    Rancho Cucamonga, CA 
     (7.6 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 Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Kidney Stones, Colorectal Cancer, Familial Colorectal Cancer, and Maturity Onset Diabetes of the Young.

    Experienced in Graves Disease
    Internal Medicine
    Experienced in Graves Disease
    Internal Medicine

    SAC Health System

    250 S G St, 
    San Bernardino, CA 
     (7.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Matheni Sathananthan is a primary care provider, practicing in Internal Medicine in San Bernardino, California. Dr. Sathananthan is rated as an Experienced provider by MediFind in the treatment of Graves Disease. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Anaplastic Thyroid Cancer, Triple A Syndrome, Type 2 Diabetes (T2D), Hyperthyroidism, and Gastric Bypass.

    Experienced in Graves Disease
    Endocrinology
    Experienced in Graves Disease
    Endocrinology
    Referral required

    Inland Endocrine

    9471 Haven Ave, 
    Rancho Cucamonga, CA 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jodi Nagelberg is an Endocrinologist practicing medicine in Rancho Cucamonga, California. Dr. Nagelberg is rated as an Experienced provider by MediFind in the treatment of Graves Disease. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Hyperthyroidism, Thyroid Storm, Addison's Disease, Secondary Adrenal Insufficiency, and Parathyroidectomy. Dr. Nagelberg is board certified in American Board Of Internal Medicine. Dr. Nagelberg is currently accepting new patients.

    Experienced in Graves Disease
    General Surgery | Ophthalmology
    Experienced in Graves Disease
    General Surgery | Ophthalmology
    Referral may be required

    Pacific Eye Institute, A Medical Group Inc

    1900 E Washington St, 
    Colton, CA 
     (8.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ira Vidor is a General Surgeon and an Ophthalmologist practicing medicine in Colton, California. Dr. Vidor is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Benign Essential Blepharospasm, Ptosis, Eyelid Drooping, and Entropion. Dr. Vidor is board certified in Ophthalmology. Dr. Vidor is currently accepting new patients.

    Experienced in Graves Disease
    Internal Medicine
    Experienced in Graves Disease
    Internal Medicine

    Loma Linda University Faculty Medical Clinics-Pulmonary Clinic

    11370 Anderson St Ste 3200, 
    Loma Linda, CA 
     (11.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    James Larsen is a primary care provider, practicing in Internal Medicine in Loma Linda, California. Dr. Larsen is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Postmenopausal Osteoporosis, Heart Failure with Preserved Ejection Fraction (HFpEF), Non-Hodgkin Lymphoma, and Gastric Lymphoma. Dr. Larsen is currently accepting new patients.

    Advanced in Graves Disease
    Endocrinology
    Advanced in Graves Disease
    Endocrinology
    Referral required

    Riverside Medical Clinic Inc

    12742 Limonite Ave, 
    Eastvale, CA 
     (10.8 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Manita Choudhary is an Endocrinologist practicing medicine in Eastvale, California. She has been practicing medicine for over 10 years. Dr. Choudhary is rated as an Advanced provider by MediFind in the treatment of Graves Disease. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Thyroid Storm, Hashimoto Thyroiditis, and Graves Disease. Dr. Choudhary is currently accepting new patients.

    Experienced in Graves Disease
    Endocrinology
    Experienced in Graves Disease
    Endocrinology
    Referral required

    Bashar Saad, M.D., Inc.

    630 N 13th Ave, 
    Upland, CA 
     (11.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tony Kastoon is an Endocrinologist practicing medicine in Upland, California. Dr. Kastoon is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Thyroid Storm, Type 2 Diabetes (T2D), Hypothyroidism, and Hyperparathyroidism. Dr. Kastoon is board certified in American Board Of Internal Medicine. Dr. Kastoon is currently accepting new patients.

    Advanced in Graves Disease
    Endocrinology
    Advanced in Graves Disease
    Endocrinology
    Referral required

    Endocrine Associates Of Riverside A Professional Corporation

    3975 Jackson St, 
    Riverside, CA 
     (11.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Freddie Dial is an Endocrinologist practicing medicine in Riverside, California. Dr. Dial is rated as an Advanced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Graves Disease, Thyroid Storm, Hashimoto Thyroiditis, and Abdominal Obesity Metabolic Syndrome. Dr. Dial is board certified in American Board Internal Medicine. Dr. Dial is currently accepting new patients.

    Advanced in Graves Disease
    Endocrinology
    Advanced in Graves Disease
    Endocrinology
    Referral required

    Office

    19314 Jesse Ln, 
    Riverside, CA 
     (14.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    John Webster is an Endocrinologist practicing medicine in Riverside, California. Dr. Webster is rated as an Advanced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Thyroid Storm, Hashimoto Thyroiditis, and Hyperthyroidism. Dr. Webster is currently accepting new patients.

    Experienced in Graves Disease
    Ophthalmology
    Experienced in Graves Disease
    Ophthalmology
    Referral may be required

    California Eye Care Managed Eye Care Specialists, A Medical Group Inc.

    6377 Riverside Ave, 
    Riverside, CA 
     (10.1 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Dwayne Logan is an Ophthalmologist practicing medicine in Riverside, California. Dr. Logan is rated as an Experienced provider by MediFind in the treatment of Graves Disease. He is also highly rated in 61 other conditions, according to our data. His clinical expertise encompasses Glaucoma, Cataract, Dry Eye Syndrome, and Diabetic Retinopathy. Dr. Logan is board certified in American Board Of Ophthalmology. Dr. Logan is currently accepting new patients.

    Showing 1-20 of 48

    Last Updated: 09/26/2026

    What is the definition of Graves Disease?

    Graves disease is an autoimmune disease that leads to an overactive thyroid gland (hyperthyroidism). An autoimmune disease is a condition that occurs when the immune system mistakenly attacks healthy tissue.

    When should I see a Graves Disease doctor near fontana, 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 Graves Disease doctor near fontana, 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 Graves Disease doctors near fontana, 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 Graves Disease doctors near fontana, 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 Graves Disease doctor near fontana, 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 Graves Disease doctor search results page. 

    Why is it important to get a second opinion from a different Graves Disease 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 Graves Disease doctor near fontana, 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 Graves Disease 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 Graves Disease 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 Graves Disease doctors near fontana, CA?

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

    Look for the filter feature on the left-side of the Graves Disease 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.