The 20 Best Hashimoto Thyroiditis Doctors Near Me in Boulder, CO

Find the Top Hashimoto Thyroiditis 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 33 doctor with experience in Hashimoto Thyroiditis near Boulder, CO. Of these, 30 are Experienced and 3 are Advanced.

Location
LocationClose
33 providers found
    Advanced in Hashimoto Thyroiditis
    Advanced in Hashimoto Thyroiditis

    Boulder Medical Center

    4745 Arapahoe Ave, Ste 200 - Endocrinology, 
    Boulder, CO 
     (2.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kimberly Lerner is an Endocrinologist in Boulder, Colorado. Dr. Lerner is rated as an Advanced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Obesity in Children, Hypothyroidism, Postmenopausal Osteoporosis, and Osteoporosis. Dr. Lerner is currently accepting new patients.

    Kathryn H. O'day
    Experienced in Hashimoto Thyroiditis
    Endocrinology
    Experienced in Hashimoto Thyroiditis
    Endocrinology

    Candelas Clinic - Diabetes & Endocrinology & Education

    15389 West 91st Drive, Suite 200, 
    Arvada, CO 
     (11.7 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Originally from Sioux Falls, South Dakota, Dr. O'Day earned her medical degree from the University of Minnesota Medical School in the Twin Cities. She completed an internship and residency in internal medicine at Brigham and women's Hospital in Boston, and a fellowship in endocrinology, diabetes and metabolism at the New York University School of Medicine in New York. Dr. O'Day is board certified in internal medicine and endocrinology, diabetes and metabolism.Dr. O'Day has a special interest in diabetes management, cystic fibrosis related diabetes, thyroid disorders, thyroid cancer, pituitary disorders, polycystic ovarian syndrome, osteoporosis and adrenal disorders. Prior to relocating to Denver, Dr. O'Day was working as an endocrinologist in Minnesota, in the Twin Cities area.Dr. O'Day and her family moved from Minneapolis to Denver for the sunshine and the mountains. During her free time she enjoys hiking with her husband and son, and all things Disney. Dr. O'day is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Secondary Adrenal Insufficiency, Addison's Disease, Triple A Syndrome, and Adrenal Insufficiency Pediatric.

    Advanced in Hashimoto Thyroiditis
    Endocrinology
    Advanced in Hashimoto Thyroiditis
    Endocrinology

    Boulder Medical Center

    80 Health Park Dr, Ste 100, 
    Louisville, CO 
     (8.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Gillan Ditton is an Endocrinologist in Louisville, Colorado. Dr. Ditton is rated as an Advanced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Hypothyroidism, Postmenopausal Osteoporosis, Osteoporosis, and Hashimoto Thyroiditis. Dr. Ditton is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Hashimoto Thyroiditis
    Family Medicine
    Experienced in Hashimoto Thyroiditis
    Family Medicine

    Boulder Medical Center

    2750 Broadway St, Family Medicine, 
    Boulder, CO 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Krista Toomre is a primary care provider, practicing in Family Medicine in Boulder, Colorado. Dr. Toomre is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Menopause, Vertigo, Hypertension, and Familial Hypertension.

    Experienced in Hashimoto Thyroiditis
    Internal Medicine
    Experienced in Hashimoto Thyroiditis
    Internal Medicine

    Boulder Medical Center

    2750 Broadway St, Internal Medicine Dept, 
    Boulder, CO 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Laura Erben is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Erben is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Type 2 Diabetes (T2D), High Cholesterol, Hypothyroidism, and Vertigo. Dr. Erben is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Family Medicine
    Experienced in Hashimoto Thyroiditis
    Family Medicine

    Boulder Medical Center

    2750 Broadway St, Family Medicine, 
    Boulder, CO 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Karin Susskind is a primary care provider, practicing in Family Medicine in Boulder, Colorado. Dr. Susskind is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Premenstrual Syndrome, Menopause, Migraine with Brainstem Aura, and Generalized Anxiety Disorder (GAD). Dr. Susskind is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Family Medicine
    Experienced in Hashimoto Thyroiditis
    Family Medicine

    Boulder Medical Center

    2750 Broadway St, Family Medicine, 
    Boulder, CO 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jill Siegfried is a primary care provider, practicing in Family Medicine in Boulder, Colorado. Dr. Siegfried is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Tenesmus, Menopause, Vertigo, Kyphosis, and Intrauterine Device Insertion. Dr. Siegfried is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Internal Medicine
    Experienced in Hashimoto Thyroiditis
    Internal Medicine

    Boulder Medical Center

    2750 Broadway St, 
    Boulder, CO 
     (0.6 miles away)
    Experience:
    18+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Fabiana Fernandez is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Fernandez has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Attention Deficit Hyperactivity Disorder (ADHD), Hypothyroidism, Obesity in Children, and Menopause. Dr. Fernandez is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Internal Medicine
    Experienced in Hashimoto Thyroiditis
    Internal Medicine

    Boulder Medical Center

    2750 Broadway St, Internal Medicine Dept, 
    Boulder, CO 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Coco Dughi is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Dughi is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Hypothyroidism, Obesity in Children, Anemia, and High Cholesterol. Dr. Dughi is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Internal Medicine
    Experienced in Hashimoto Thyroiditis
    Internal Medicine

    Boulder Medical Center

    2750 Broadway St, 
    Boulder, CO 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Christensen is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Christensen is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Hypothyroidism, Postmenopausal Osteoporosis, Osteoporosis, and Obesity in Children.

    Experienced in Hashimoto Thyroiditis
    Internal Medicine
    Experienced in Hashimoto Thyroiditis
    Internal Medicine

    Boulder Medical Center

    2750 Broadway St, Internal Medicine Dept, 
    Boulder, CO 
     (0.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Felicia Longenecker is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Longenecker is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Cavernous Sinus Thrombosis, Attention Deficit Hyperactivity Disorder (ADHD), High Cholesterol, and Sitosterolemia. Dr. Longenecker is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Family Medicine
    Experienced in Hashimoto Thyroiditis
    Family Medicine

    Boulder Internal Medicine PC

    2880 Folsom St, Suite 100, 
    Boulder, CO 
     (0.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jennifer Johnson is a primary care provider, practicing in Family Medicine in Boulder, Colorado. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Menopause, and Congenital Sucrase-Isomaltase Deficiency. Dr. Johnson is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Internal Medicine
    Experienced in Hashimoto Thyroiditis
    Internal Medicine

    Office

    2880 Folsom St Ste 100, 
    Boulder, CO 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    William Blanchet is a primary care provider, practicing in Internal Medicine in Boulder, Colorado. Dr. Blanchet is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. His top areas of expertise are Testicular Failure, Male Pseudohermaphroditism with Gynecomastia, Eunuchoidism Familial Hypogonadotropic, and Hypogonadism Primary Partial Alopecia.

    Experienced in Hashimoto Thyroiditis
    Family Medicine
    Experienced in Hashimoto Thyroiditis
    Family Medicine

    Boulder Medical Center

    4745 Arapahoe Ave, Ste 200 - Family Med, 
    Boulder, CO 
     (2.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Robyn Lane is a primary care provider, practicing in Family Medicine in Boulder, Colorado. Dr. Lane is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Premenstrual Syndrome, Hyperhidrosis, Menopause, Migraine with Brainstem Aura, and Intrauterine Device Insertion. Dr. Lane is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Family Medicine
    Experienced in Hashimoto Thyroiditis
    Family Medicine

    Boulder Medical Center

    4745 Arapahoe Ave, Ste 200 - Family Med, 
    Boulder, CO 
     (2.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Rebecca Juliar is a primary care provider, practicing in Family Medicine in Boulder, Colorado. Dr. Juliar is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Premenstrual Syndrome, Autosomal Recessive Hypotrichosis, Alopecia Areata, Musculocontractural Ehlers-Danlos Syndrome (mcEDS), and Intrauterine Device Insertion. Dr. Juliar is currently accepting new patients.

    Experienced in Hashimoto Thyroiditis
    Family Medicine
    Experienced in Hashimoto Thyroiditis
    Family Medicine

    Endocrinology Associates Of Bch-Superior

    3 Superior Dr, 
    Superior, CO 
     (7.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lindsey Rentschler is a Family Medicine provider in Superior, Colorado. Dr. Rentschler is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Hypothyroidism, and Diabetic Nephropathy.

    Experienced in Hashimoto Thyroiditis
    Endocrinology
    Experienced in Hashimoto Thyroiditis
    Endocrinology

    Laboratory Corporation Of America

    80 Health Park Dr Ste 100, 
    Louisville, CO 
     (7.7 miles away)
    Languages Spoken:
    English

    Kelly Mandagere is an Endocrinologist in Louisville, Colorado. Dr. Mandagere is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Type 2 Diabetes (T2D), Hyperparathyroidism, Neonatal Severe Hyperparathyroidism, and Osteitis Fibrosa.

    Experienced in Hashimoto Thyroiditis
    Endocrinology
    Experienced in Hashimoto Thyroiditis
    Endocrinology

    The Alpine Center For Diabetes Endocrinology And Metabolism PC

    500 Discovery Pkwy Ste 150, 
    Louisville, CO 
     (7.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Fox is an Endocrinologist in Louisville, Colorado. Dr. Fox is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. His top areas of expertise are Hypothyroidism, Papillary Thyroid Cancer, Anaplastic Thyroid Cancer, and Follicular Thyroid Cancer. Dr. Fox is currently accepting new patients.

    Susie M. Norris
    Experienced in Hashimoto Thyroiditis
    Endocrinology
    Experienced in Hashimoto Thyroiditis
    Endocrinology

    Candelas Clinic - Diabetes & Endocrinology & Education

    15389 West 91st Drive,, Suite 200, 
    Arvada, CO 
     (11.7 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Raised in Houston, Texas, Dr. Norris obtained her undergraduate degree from Southwestern University in Georgetown, TX. She earned her Doctor of Medicine from the University of Texas Medical Branch at Galveston. She completed an Internal Medicine Residency at the University of Tennessee College of Medicine at Chattanooga and an Endocrinology Fellowship with the University of Texas Medical Branch at Galveston. Board-certified by the American Board of Internal Medicine in Endocrinology, Diabetes & Metabolism, Dr. Norris has been practicing for close to two decades. Her clinical interests include diabetes care, lifestyle medicine, and thyroid disease.“I am passionate about educating patients on their condition. I aim to provide personalized care to every patient and strive to make the patient feel comfortable and respected.”When not working, Dr. Norris enjoys sports, traveling, hiking, taking her dogs on walks, and spending time with her family. Dr. Norris is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Hyperparathyroidism, Obesity in Children, Hypothyroidism, and Type 2 Diabetes (T2D).

    Michelle K. Cassara
    Experienced in Hashimoto Thyroiditis
    Experienced in Hashimoto Thyroiditis

    Candelas Clinic - Diabetes & Endocrinology & Education

    15389 West 91st Drive, Suite 200, 
    Arvada, CO 
     (11.7 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Dr. Cassara grew up in Colorado and received her medical degree from University of Vermont, College of Medicine. She is board certified in both internal medicine, and endocrinology and metabolism. Dr. Cassara completed an internship and residency training in internal medicine at the University of North Carolina, Chapel Hill, where she also completed a fellowship in endocrinology and metabolism.Dr. Cassara’s philosophy of patient care is geared toward engaging patients and families in learning about their disease, encouraging a healthful lifestyle and partnering with patients for positive outcomes. Outside of the office, Dr. Cassara enjoys hiking and exploring Colorado with her husband and two children. Dr. Cassara is rated as an Experienced provider by MediFind in the treatment of Hashimoto Thyroiditis. Her top areas of expertise are Type 1 Diabetes (T1D), Papillary Thyroid Cancer, Medullary Thyroid Carcinoma, and Follicular Thyroid Cancer.

    Showing 1-20 of 33

    Last Updated: 04/28/2026

    What is the definition of Hashimoto Thyroiditis?

    Hashimoto's disease is a condition that affects the function of the thyroid, which is a butterfly-shaped gland in the lower neck. The thyroid makes hormones that help regulate a wide variety of critical body functions. For example, thyroid hormones influence growth and development, body temperature, heart rate, menstrual cycles, and weight. Hashimoto's disease is a form of chronic inflammation that can damage the thyroid, reducing its ability to produce hormones.

    When should I see a Hashimoto Thyroiditis doctor near Boulder, CO?

    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 Hashimoto Thyroiditis doctor near Boulder, CO?

    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 Hashimoto Thyroiditis doctors near Boulder, CO?

    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 Hashimoto Thyroiditis doctors near Boulder, CO?

    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 Hashimoto Thyroiditis doctor near Boulder, CO?

    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 Hashimoto Thyroiditis doctor search results page. 

    Why is it important to get a second opinion from a different Hashimoto Thyroiditis 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 Hashimoto Thyroiditis doctor near Boulder, CO?

    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 Hashimoto Thyroiditis 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 Hashimoto Thyroiditis 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 Hashimoto Thyroiditis doctors near Boulder, CO?

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

    Look for the filter feature on the left-side of the Hashimoto Thyroiditis 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