The 20 Best Mitochondrial Complex 2 Deficiency Doctors Near Me in San Francisco, CA

Find the Top Mitochondrial Complex 2 Deficiency Experts and Specialists

The 20 Best Mitochondrial Complex 2 Deficiency Doctors near San Francisco, CA

Last Updated: 02/22/2026

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MediFind found 13 doctor with experience in Mitochondrial Complex 2 Deficiency near San Francisco, CA. Of these, 12 are Experienced and 1 are Advanced.

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13 providers found
    Advanced in Mitochondrial Complex 2 Deficiency
    Neurology
    Advanced in Mitochondrial Complex 2 Deficiency
    Neurology

    Als & Neurodegenerative Disease Center

    400 Parnassus Ave # 8, 
    San Francisco, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Laura Rosow is a Neurologist in San Francisco, California. Dr. Rosow is rated as an Advanced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. Her top areas of expertise are Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Spinal Muscular Atrophy (SMA), Spinal and Bulbar Muscular Atrophy, and Spinal Muscular Atrophy Type 3.

    John Engstrom
    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency

    Neuromuscular Clinic

    400 Parnassus Ave., Eighth Floor, 
    San Francisco, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. John Engstrom, a specialist in neuromuscular disorders, is director of neurology outpatient services and a neurologist at the UCSF Spine Center. In addition to treating patients, he studies new therapies for neurological complications of spine disease and peripheral nerve entrapment (a category of conditions involving compressed nerves). Engstrom earned a bachelor's degree in genetics at the University of California, Davis, followed by a medical degree at the Stanford University School of Medicine. He completed a medical residency in neurology at UCSF, where he served as chief resident, before joining the UCSF in 1988. Engstrom has received numerous awards, including the Betty Anker Fife Distinguished Chair in Neurology from UCSF, Visiting Professor of Neurologic Education at the Mayo Clinic and Outstanding Clinical Teacher for Neurology Residents from UCSF. He was also awarded the Distinguished Neurology Teacher of the Year Award by the American Neurological Association, and in 2021 he was honored with the B. Baker Lifetime Achievement in Neurologic Education, given by the American Academy of Neurology. He is an associate editor for Harrison's, an online resource for medical practice and research, and vice chair of the Department of Neurology at UCSF. Dr. Engstrom is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. His top areas of expertise are Congenital Insensitivity to Pain with Anhidrosis, Infantile Axonal Neuropathy, Hereditary Sensory and Autonomic Neuropathy Type 2, and Chronic Inflammatory Demyelinating Polyneuropathy.

    Jeffrey W. Ralph
    Experienced in Mitochondrial Complex 2 Deficiency
    Neurology | Neuromusculoskeletal Medicine
    Experienced in Mitochondrial Complex 2 Deficiency
    Neurology | Neuromusculoskeletal Medicine

    Neuromuscular Clinic

    400 Parnassus Ave., Eighth Floor, 
    San Francisco, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Jeffrey W. Ralph is a neurologist who specializes in diseases of the nerve, muscle and neuromuscular transmission, the nerve activity that leads to muscle movement. He is an expert in the category of nerve damage called peripheral neuropathy, with a particular interest in neuropathies that result from immune system activity. In 2004, he became director of the Neuropathy Center at UCSF Medical Center, founded in part with funding from the Neuropathy Association. In addition to treating patients in the clinic, he performs electromyograms – diagnostic tests that record muscles' electrical activity – including such specialized tests as single-fiber electromyograms and multiple-channel recordings for analyzing abnormal muscle tone. Ralph completed a neurology residency as well as fellowships in neuromuscular medicine and clinical neurophysiology at UCSF. His research has addressed treatments for neuropathy caused by HIV and AIDS. Dr. Ralph is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. His top areas of expertise are Peripheral Neuropathy, Chronic Polyradiculoneuritis, Miller-Fisher Syndrome, and Guillain-Barre Syndrome.

    Learn about our expert tiers
    Noriko T. Anderson
    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency

    Brachial Neuritis Center

    400 Parnassus Ave., Eighth Floor, 
    San Francisco, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Noriko Tei Boyd Anderson is a neurologist with a particular interest in caring for patients with brachial neuritis, a disorder affecting the nerves around the shoulder and arm. Anderson earned her medical degree from UCSF. She completed a residency in neurology at the University of California, Irvine, followed by a neuromuscular fellowship at UCSF. She also has a master of public health degree from the University of California, Los Angeles. Dr. Anderson is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. Her top areas of expertise are Hereditary Neuralgic Amyotrophy, Distal Median Nerve Dysfunction, Brachial Plexopathy, and Migraine with Brainstem Aura.

    Mark Terrelonge
    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency

    ALS & Neurodegenerative Disease Center

    400 Parnassus Ave., Eighth Floor, 
    San Francisco, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Dr. Mark Terrelonge Jr. is a neurologist who cares for patients with nerve and muscle disorders, including amyotrophic lateral sclerosis (ALS); inflammatory nerve diseases, such as Guillain-Barre syndrome and chronic inflammatory demyelinating polyneuropathy; genetic muscle and nerve disorders; and disorders of the neuromuscular junction, such as myasthenia gravis. At the UCSF School of Medicine, Terrelonge serves as an assistant director for the residency program in neurology and as a lecturer on weakness related to neuromuscular disorders. Other endeavors include developing satellite clinics for people with ALS or other neuromuscular conditions who live in rural areas of Northern California and Hawaii. He is also designing a blueprint for establishing multidisciplinary ALS clinics in the United States and abroad using telehealth to make subspeciality neurological services available to more people. At Zuckerberg San Francisco General Hospital and Trauma Center, he is launching a specialty clinic to provide underserved patients in the area with neurological care. After earning a bachelor's degree in neurobiology at Harvard University, Terrelonge earned a master of public health degree at Columbia University's Mailman School of Public Health. He earned his medical degree at Stanford University School of Medicine and completed a residency in neurology at UCSF, serving as chief resident. He also completed a fellowship in neuromuscular medicine at UCSF. During his training at UCSF, he received the Teaching Excellence Award for Cherished Housestaff and was inducted into the Alpha Omega Alpha Honor Medical Society. He is a John A. Watson Faculty Scholar at UCSF. Dr. Terrelonge is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. His top areas of expertise are Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Spinal and Bulbar Muscular Atrophy, Spinal Muscular Atrophy Type 3, and Spinal Muscular Atrophy (SMA).

    Experienced in Mitochondrial Complex 2 Deficiency
    Neurology
    Experienced in Mitochondrial Complex 2 Deficiency
    Neurology

    Neuromuscular Clinic

    400 Parnassus Ave # 8, 
    San Francisco, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Min Kang is a Neurologist in San Francisco, California. Dr. Kang is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. Her top areas of expertise are Foot Drop, Stroke, Headache, Peripheral Neuropathy, and Thrombectomy.

    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency

    Als & Neurodegenerative Disease Center

    400 Parnassus Ave # 8, 
    San Francisco, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Catherine Hoerth is a Neurologist in San Francisco, California. Dr. Hoerth is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. Her top areas of expertise are Spinal and Bulbar Muscular Atrophy, Spinal Muscular Atrophy Type 3, Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), and Spinal Muscular Atrophy (SMA).

    Experienced in Mitochondrial Complex 2 Deficiency
    Neuromusculoskeletal Medicine
    Experienced in Mitochondrial Complex 2 Deficiency
    Neuromusculoskeletal Medicine

    Als & Neurodegenerative Disease Center

    400 Parnassus Ave # 8, 
    San Francisco, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Paul Sampognaro is a Neuromusculoskeletal Medicine provider in San Francisco, California. Dr. Sampognaro is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. His top areas of expertise are Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Spinal and Bulbar Muscular Atrophy, Spinal Muscular Atrophy Type 3, and Spinal Muscular Atrophy (SMA).

    Experienced in Mitochondrial Complex 2 Deficiency
    Internal Medicine
    Experienced in Mitochondrial Complex 2 Deficiency
    Internal Medicine

    Office

    101 Mission St, 
    San Francisco, CA 
     (1.7 miles away)
    Languages Spoken:
    English

    Karen Abernathy is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Abernathy is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. Her top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Type 2 Diabetes (T2D).

    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency

    Univ Of California Home Care Serv

    400 Parnassus Ave, 
    San Francisco, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Viktoriya Irodenko is a Neurologist in San Francisco, California. Dr. Irodenko is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. Her top areas of expertise are Peripheral Neuropathy, Myasthenia Gravis, Tomaculous Neuropathy, and Andermann Syndrome.

    Experienced in Mitochondrial Complex 2 Deficiency
    Neuromusculoskeletal Medicine
    Experienced in Mitochondrial Complex 2 Deficiency
    Neuromusculoskeletal Medicine

    Childrens Hospital Medical Center Ambulatory Care Pharmacy

    744 52nd St, 
    Oakland, CA 
     (9.3 miles away)
    Languages Spoken:
    English

    Alexander Fay is a Neuromusculoskeletal Medicine provider in Oakland, California. Dr. Fay is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. His top areas of expertise are Andersen-Tawil Syndrome, Canavan Disease, CACH Syndrome, and Charcot-Marie-Tooth Disease.

    Experienced in Mitochondrial Complex 2 Deficiency
    Neurology
    Experienced in Mitochondrial Complex 2 Deficiency
    Neurology

    Kaiser Permanente San Leandro Medical Center

    2500 Merced St, 
    San Leandro, CA 
     (14.7 miles away)
    Languages Spoken:
    English

    Will North is a Neurologist in San Leandro, California. Dr. North is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. His top areas of expertise are Multifocal Motor Neuropathy, Spinal and Bulbar Muscular Atrophy, Spinal Muscular Atrophy Type 3, and Spinal Muscular Atrophy (SMA).

    Experienced in Mitochondrial Complex 2 Deficiency
    Experienced in Mitochondrial Complex 2 Deficiency

    San Leandro Medical Center

    2500 Merced Street, 2nd Floor, 
    San Leandro, CA 
     (14.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Christine Lu is a Neurologist in San Leandro, California. Dr. Lu is rated as an Experienced provider by MediFind in the treatment of Mitochondrial Complex 2 Deficiency. Her top areas of expertise are Primary Lateral Sclerosis, Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), Pseudobulbar Affect, and Spinal and Bulbar Muscular Atrophy. Dr. Lu is currently accepting new patients.

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    Last Updated: 02/22/2026

    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 San Francisco, 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 an Mitochondrial Complex 2 Deficiency doctor near San Francisco, 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 Mitochondrial Complex 2 Deficiency doctors near San Francisco, 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 Mitochondrial Complex 2 Deficiency doctors near San Francisco, 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 an Mitochondrial Complex 2 Deficiency doctor near San Francisco, 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 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 San Francisco, 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 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 San Francisco, CA?

    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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