The 20 Best Mitochondrial Complex 2 Deficiency Doctors Near Me in helena, MT

Find the Top Mitochondrial Complex 2 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 2 doctor with experience in Mitochondrial Complex 2 Deficiency near helena, MT. Of these, 2 are Experienced.

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2 providers found
    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency
    Before you request

    St Peters Health Broadway Pharmacy

    2550 E Broadway St, 
    Helena, MT 
     (2.1 miles away)
    406-457-4180
    Languages Spoken:
    English
    See accepted insurances
    Accepting New Patients
    Offers Telehealth

    Sara Oconnell-Mayernik is a primary care provider, practicing in Family Medicine in Helena, Montana. Dr. Oconnell-Mayernik is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Hypothyroidism, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young. Dr. Oconnell-Mayernik is currently accepting new patients.

    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency
    Referral may be required

    St Peters Health Broadway Pharmacy

    2550 E Broadway St, 
    Helena, MT 
     (2.1 miles away)
    406-457-4180
    Languages Spoken:
    English
    See accepted insurances
    Offers Telehealth

    Nicole Clark is a Neurologist practicing medicine in Helena, Montana. Dr. Clark is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. She is also highly rated in 53 other conditions, according to our data. Her clinical expertise encompasses Autosomal Dominant Nocturnal Frontal Lobe Epilepsy (ADNFLE), Seizures, Memory Loss, and Essential Tremor.

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    Showing 1-2 of 2

    Last Updated: 09/26/2026

    What is the definition of Mitochondrial Complex 2 Deficiency?

    Complex II deficiency is a mitochondrial disease. Mitochondria are specialized compartments in cells that create more than 90% of the energy needed by the body. In mitochondrial diseases, the mitochondria don't work correctly resulting in less energy in the cell, cell injury and cell death. The symptoms can vary greatly from serious symptoms in infancy to muscle disease beginning in adulthood. Complex II deficiency can be caused by genetic changes in the SDHA, SDHB, SDHD, or SDHAF1 genes. In many cases the underlying genetic changes cannot be identified. Complex II deficiency is inherited in an autosomal recessive fashion. Complex II deficiency genetic change carriers may be at an increased risk for certain cancers.

    When should I see an Mitochondrial Complex 2 Deficiency doctor near helena, MT?

    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 an Mitochondrial Complex 2 Deficiency doctor near helena, MT?

    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 do I find the best Mitochondrial Complex 2 Deficiency doctor near helena, MT?

    You can find an Mitochondrial Complex 2 Deficiency doctor in any of the 10 largest U.S. cities by clicking below:

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    How does MediFind rank Mitochondrial Complex 2 Deficiency doctors near helena, MT?

    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 Mitochondrial Complex 2 Deficiency doctors near helena, MT?

    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 an Mitochondrial Complex 2 Deficiency doctor near helena, MT?

    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 Mitochondrial Complex 2 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Mitochondrial Complex 2 Deficiency 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 an Mitochondrial Complex 2 Deficiency doctor near helena, MT?

    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 Mitochondrial Complex 2 Deficiency 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 Mitochondrial Complex 2 Deficiency 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 Mitochondrial Complex 2 Deficiency doctors near helena, MT?

    Look for the filter feature on the left side of the Mitochondrial Complex 2 Deficiency 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 an Mitochondrial Complex 2 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Mitochondrial Complex 2 Deficiency 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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