The 20 Best Transcobalamin Deficiency Doctors Near Me in San Jose, CA

Find the Top Transcobalamin Deficiency Experts and Specialists

Last Updated: 09/19/2026

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MediFind found 21 doctor with experience in Transcobalamin Deficiency near San Jose, CA. Of these, 14 are Experienced, 4 are Distinguished and 3 are Advanced.

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21 providers found
    Distinguished in Transcobalamin Deficiency
    Family Medicine
    Distinguished in Transcobalamin Deficiency
    Family Medicine

    Evlyn Avanessian, MD Inc.

    3628 Foothill Blvd, 
    Glendale, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Evlyn Avanessian is a primary care provider, practicing in Family Medicine in Glendale, California. Dr. Avanessian is rated as a Distinguished provider by MediFind in the treatment of Transcobalamin Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Transcobalamin Deficiency, Vitamin B12 Deficiency, Vitamin D Deficiency, Gastrostomy, and Ureteroscopy. Dr. Avanessian is board certified in American Board Of Family Medicine.

    Distinguished in Transcobalamin Deficiency
    Internal Medicine
    Distinguished in Transcobalamin Deficiency
    Internal Medicine

    Kaweah Health Medical Center

    400 W Mineral King Ave, 
    Visalia, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Gurtej Dhillon is a primary care provider, practicing in Internal Medicine in Visalia, California. Dr. Dhillon is rated as a Distinguished provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 46 other conditions, according to our data. His clinical expertise encompasses Transcobalamin Deficiency, Enlarged Liver, Hypertensive Heart Disease, Endoscopy, and Hip Replacement.

    Distinguished in Transcobalamin Deficiency
    Internal Medicine
    Distinguished in Transcobalamin Deficiency
    Internal Medicine

    Prabhjit S. Purewal MD Inc

    200 Cottage Ave Ste 201, 
    Manteca, CA 
    Languages Spoken:
    English

    Russell Carter is a primary care provider, practicing in Internal Medicine in Manteca, California. Dr. Carter is rated as a Distinguished provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Transcobalamin Deficiency, Vitamin B12 Deficiency, High Cholesterol, and Cirrhosis.

    Learn about our expert tiers
    Distinguished in Transcobalamin Deficiency
    Family Medicine
    Distinguished in Transcobalamin Deficiency
    Family Medicine

    Allcare Family Clinic

    1781 3rd St, 
    Norco, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Martin Ahn is a primary care provider, practicing in Family Medicine in Norco, California. Dr. Ahn is rated as a Distinguished provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Transcobalamin Deficiency. Dr. Ahn is board certified in American Board Of Family Medicine.

    Experienced in Transcobalamin Deficiency
    Internal Medicine
    Experienced in Transcobalamin Deficiency
    Internal Medicine

    Brigid Freyne MD Inc

    39755 Murrieta Hot Springs Rd Ste F110, 
    Murrieta, CA 
    Languages Spoken:
    English

    Brigid Freyne is a primary care provider, practicing in Internal Medicine in Murrieta, California. Dr. Freyne is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses Fibromyalgia, Vitamin D Deficiency, Postmenopausal Osteoporosis, and Osteoporosis.

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    Visalia Medical Clinic Inc.

    5400 W Hillsdale Ave, 
    Visalia, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Robert Allen is a primary care provider, practicing in Family Medicine in Visalia, California. Dr. Allen is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 237 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Type 2 Diabetes (T2D).

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    Office

    125 S 5th St, 
    Brawley, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Lorenzo Suarez is a primary care provider, practicing in Family Medicine in Brawley, California. Dr. Suarez is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 192 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Suarez is currently accepting new patients.

    Advanced in Transcobalamin Deficiency
    Family Medicine
    Advanced in Transcobalamin Deficiency
    Family Medicine

    Zainab Mahmoud, MD Inc.

    301 S Fair Oaks Ave, 
    Pasadena, CA 
    Languages Spoken:
    English

    Zainab Mahmoud is a primary care provider, practicing in Family Medicine in Pasadena, California. Dr. Mahmoud is rated as an Advanced provider by MediFind in the treatment of Transcobalamin Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Transcobalamin Deficiency, Type B Insulin Resistance Syndrome, Abdominal Obesity Metabolic Syndrome, and Mitochondrial Complex V Deficiency. Dr. Mahmoud is board certified in American Board Of Family Medicine.

    Advanced in Transcobalamin Deficiency
    Internal Medicine
    Advanced in Transcobalamin Deficiency
    Internal Medicine

    Office

    1651 4th St Fl 2, 
    San Francisco, CA 
    Languages Spoken:
    English

    Stephen Hauser is a primary care provider, practicing in Internal Medicine in San Francisco, California. Dr. Hauser is rated as an Advanced provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Relapsing Multiple Sclerosis (RMS), Acute Flaccid Myelitis (AFM), CACH Syndrome, and Vitamin B12 Deficiency.

    Advanced in Transcobalamin Deficiency
    Internal Medicine
    Advanced in Transcobalamin Deficiency
    Internal Medicine

    Kofi Kessey Md/Phd Inc. A California Professional Medical Corporation

    351 Rolling Oaks Dr Ste 204, 
    Thousand Oaks, CA 
    Languages Spoken:
    English

    Christine Dahlin is a primary care provider, practicing in Internal Medicine in Thousand Oaks, California. Dr. Dahlin is rated as an Advanced provider by MediFind in the treatment of Transcobalamin Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Transcobalamin Deficiency, Hyperlipidemia Type 3, Osteoporosis, and Postmenopausal Osteoporosis.

    Experienced in Transcobalamin Deficiency
    Internal Medicine
    Experienced in Transcobalamin Deficiency
    Internal Medicine
    101 South San Mateo Dr., Suite 303, 
    San Mateo, CA 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Frank Tortorice is a primary care provider, practicing in Internal Medicine in San Mateo, California. Dr. Tortorice is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Sulfite Oxidase Deficiency, Hypermethioninemia, Methylmalonic Acidemia with Homocystinuria, and Inborn Amino Acid Metabolism Disorder. Dr. Tortorice is board certified in Internal Medicine - Board Certified. Dr. Tortorice is currently accepting new patients.

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    Salud Para La Gente

    204 E Beach St, 
    Watsonville, CA 
    Languages Spoken:
    English
    Accepting New Patients

    Barbara Bannan is a primary care provider, practicing in Family Medicine in Watsonville, California. Dr. Bannan is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. Her clinical expertise encompasses Type 2 Diabetes (T2D), Avian Influenza, Maturity Onset Diabetes of the Young, and Childhood Iron Deficiency Anemia. Dr. Bannan is board certified in Family Medicine. Dr. Bannan is currently accepting new patients.

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    Sukiasyan Psychological Services Inc.

    1220 S Central Ave Ste 205, 
    Glendale, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Manvel Mazmanyan is a primary care provider, practicing in Family Medicine in Glendale, California. Dr. Mazmanyan is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 24 other conditions, according to our data. His clinical expertise encompasses Tension Headache, Type 2 Diabetes (T2D), Hypertensive Heart Disease, and Frozen Shoulder.

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    Haven Health

    6221 Wilshire Blvd Ste 216, 
    Los Angeles, CA 
    Languages Spoken:
    English

    Jack O'brien is a primary care provider, practicing in Family Medicine in Los Angeles, California. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. His clinical expertise encompasses Eunuchoidism Familial Hypogonadotropic, Male Pseudohermaphroditism with Gynecomastia, Testicular Failure, and Syphilis.

    Experienced in Transcobalamin Deficiency
    Internal Medicine
    Experienced in Transcobalamin Deficiency
    Internal Medicine

    UCLA Medical Center-Santa Monica

    1250 16th St, 
    Santa Monica, CA 
    Languages Spoken:
    English

    Salim Ahmed is a primary care provider, practicing in Internal Medicine in Santa Monica, California. Dr. Ahmed is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. His clinical expertise encompasses Diabetic Ketoacidosis, Transcobalamin Deficiency, Pulmonary Edema, COVID-19, and Gastrostomy.

    Experienced in Transcobalamin Deficiency
    Internal Medicine
    Experienced in Transcobalamin Deficiency
    Internal Medicine

    Walter Wai-Tak Chien MD A Professional Corporation

    2013 Coffee Rd, 
    Modesto, CA 
    Languages Spoken:
    English

    Gervacio Diaz-Iii is a primary care provider, practicing in Internal Medicine in Modesto, California. Dr. Diaz-Iii is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Familial Hypertriglyceridemia, Evans Syndrome, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    A & N Diagnostic

    5300 Santa Monica Blvd Ste 200, 
    Los Angeles, CA 
    Languages Spoken:
    English

    Ludvik Artinyan is a primary care provider, practicing in Family Medicine in Los Angeles, California. Dr. Artinyan is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Transcobalamin Deficiency.

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    Southern Indian Health Council Inc.

    4058 Willows Rd, 
    Alpine, CA 
    Languages Spoken:
    English

    Gavva Reddy is a primary care provider, practicing in Family Medicine in Alpine, California. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypothyroidism.

    Experienced in Transcobalamin Deficiency
    Family Medicine
    Experienced in Transcobalamin Deficiency
    Family Medicine

    Pacific Oaks Medical Group & Subsidiary

    6221 Wilshire Blvd Ste 216, 
    Los Angeles, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Marcus Tellez is a primary care provider, practicing in Family Medicine in Los Angeles, California. Dr. Tellez is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. His clinical expertise encompasses HIV/AIDS, Myelitis, AIDS Dysmorphic Syndrome, and AIDS Dementia Complex.

    Experienced in Transcobalamin Deficiency
    Internal Medicine
    Experienced in Transcobalamin Deficiency
    Internal Medicine

    Dnx Medical Inc

    14541 Brookhurst St, 
    Westminster, CA 
    Languages Spoken:
    English
    Offers Telehealth

    Anhtuan Nguyen is a primary care provider, practicing in Internal Medicine in Westminster, California. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Transcobalamin Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Benign Paroxysmal Positional Vertigo, High Cholesterol, and Tracheitis. Dr. Nguyen is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 21

    Last Updated: 09/19/2026

    What is the definition of Transcobalamin Deficiency?

    Transcobalamin deficiency is a disorder that impairs the transport of cobalamin (also known as vitamin B12) within the body. Cobalamin is obtained from the diet; this vitamin is found in animal products such as meat, eggs, and shellfish. An inability to transport cobalamin within the body results in cells that lack cobalamin, which they need for many functions including cell growth and division (proliferation) and DNA production. The absence of cobalamin leads to impaired growth, a shortage of blood cells, and many other signs and symptoms that usually become apparent within the first weeks or months of life.

    When should I see a Transcobalamin Deficiency doctor near San Jose, 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 Transcobalamin Deficiency doctor near San Jose, 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 Transcobalamin Deficiency doctors near San Jose, 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 Transcobalamin Deficiency doctors near San Jose, 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 Transcobalamin Deficiency doctor near San Jose, 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 Transcobalamin Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Transcobalamin 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 a Transcobalamin Deficiency doctor near San Jose, 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 Transcobalamin 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 Transcobalamin 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 Transcobalamin Deficiency doctors near San Jose, CA?

    Look for the filter feature on the left side of the Transcobalamin 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 a Transcobalamin Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Transcobalamin 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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