The 20 Best Vitamin B12 Deficiency Doctors Near Me in Saint Helena, CA

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 18 doctor with experience in Vitamin B12 Deficiency near Saint Helena, CA. Of these, 16 are Experienced and 2 are Advanced.

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18 providers found
    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology Oncology
    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology Oncology
    10 Woodland Road, 
    Saint Helena, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tyler Kang is a Hematologist Oncology specialist and an Oncologist practicing medicine in Saint Helena, California. Dr. Kang is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Astrocytoma, Gliosarcoma, and Bone Marrow Aspiration. Dr. Kang is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology
    10 Woodland Road, 
    Saint Helena, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ari Umutyan is a Hematologist Oncology specialist and a Hematologist practicing medicine in Saint Helena, California. Dr. Umutyan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Primary Lymphoma of the Brain, Small Cell Lung Cancer (SCLC), Lung Adenocarcinoma, Large-Cell Immunoblastic Lymphoma, and Bone Marrow Aspiration. Dr. Umutyan is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology Oncology
    Experienced in Vitamin B12 Deficiency
    Oncology | Hematology Oncology
    10 Woodland Road, 
    Saint Helena, CA 
     (2.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ethan Schram is a Hematologist Oncology specialist and an Oncologist practicing medicine in Saint Helena, California. Dr. Schram is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Pleuropulmonary Blastoma, Hemochromatosis, Neuroendocrine Tumor, and Bone Marrow Aspiration. Dr. Schram is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    Community Health Clinic Ole-St Helena

    1222 Pine St, 
    Saint Helena, CA 
     (0.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Barry Brown is a primary care provider, practicing in Family Medicine in Saint Helena, California. Dr. Brown is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Cirrhosis, and Familial Combined Hyperlipidemia.

    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    MDVIP - Saint Helena, CA

    999 Adams St Ste 303, 
    Saint Helena, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jonathan Wheeler is a primary care provider, practicing in Family Medicine in Saint Helena, California. Dr. Wheeler is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Chronic Cough, Vertigo, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    MDVIP - Saint Helena, CA

    1485 Main St Ste 102, 
    Saint Helena, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Marie Hughes is a primary care provider, practicing in Family Medicine in Saint Helena, California. Dr. Hughes is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Mycoplasma Pneumonia, Relapsing Polychondritis, Perianal Streptococcal Cellulitis, and High Cholesterol.

    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology
    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology
    3555 Round Barn Circle, Suite A, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jarrod Holmes is a Hematologist Oncology specialist and a Hematologist practicing medicine in Santa Rosa, California. Dr. Holmes is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 48 other conditions, according to our data. His clinical expertise encompasses Waldenstrom Macroglobulinemia, Chronic Lymphocytic Leukemia (CLL), Breast Cancer, Non-Hodgkin Lymphoma, and Bone Marrow Aspiration. Dr. Holmes is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology Oncology | Oncology
    3555 Round Barn Circle, Suite A, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Wes Lee is a Hematologist Oncology specialist and an Oncologist practicing medicine in Santa Rosa, California. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 48 other conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Lung Cancer, Childhood Iron Deficiency Anemia, and Small Cell Lung Cancer (SCLC). Dr. Lee is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Geriatrics
    Experienced in Vitamin B12 Deficiency
    Geriatrics

    Spring Lake Village

    5555 Montgomery Dr, 
    Santa Rosa, CA 
     (9.9 miles away)
    Languages Spoken:
    English

    David Greene is a primary care provider, practicing in Geriatrics in Santa Rosa, California. Dr. Greene is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Anemia, Alzheimer's Disease, Hypothyroidism, Maturity Onset Diabetes of the Young, and Deep Brain Stimulation.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Spring Lake Village

    5555 Montgomery Dr, 
    Santa Rosa, CA 
     (9.9 miles away)
    Languages Spoken:
    English

    Misty Moreno is a primary care provider, practicing in Internal Medicine in Santa Rosa, California. Dr. Moreno is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Hypothyroidism, Multiple Carboxylase Deficiency, Folate Deficiency, and Vitamin B12 Deficiency Anemia.

    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Hematology
    3555 Round Barn Circle, Suite A, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Leroy Keiser is a Hematologist Oncology specialist and a Hematologist practicing medicine in Santa Rosa, California. Dr. Keiser is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 51 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Polycythemia Vera, and Richter Syndrome. Dr. Keiser is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    3555 Round Barn Circle, Suite A, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ian Anderson is a Hematologist Oncology provider practicing medicine in Santa Rosa, California. Dr. Anderson is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 63 other conditions, according to our data. His clinical expertise encompasses Pleuropulmonary Blastoma, Lung Cancer, Small Cell Lung Cancer (SCLC), Lung Adenocarcinoma, and Bone Marrow Aspiration. Dr. Anderson is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    3555 Round Barn Circle, Suite A, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Christopher Simone is an Oncologist practicing medicine in Santa Rosa, California. Dr. Simone is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Choriocarcinoma, Testicular Cancer, Teratoma of the Mediastinum, and Acute Mountain Sickness. Dr. Simone is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology | Oncology
    3555 Round Barn Circle, Suite A, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sara Keck is a Hematologist Oncology specialist and an Oncologist practicing medicine in Santa Rosa, California. Dr. Keck is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Paget Disease of the Breast, Myelodysplastic Syndrome (MDS), Ovarian Carcinosarcoma, and Virilizing Ovarian Tumor. Dr. Keck is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    JC Buller MD & AM Clarke MD Inc

    1100 Trancas St Ste 240, 
    Napa, CA 
     (13.3 miles away)
    Languages Spoken:
    English

    Paul Sweigert is a primary care provider, practicing in Internal Medicine in Napa, California. Dr. Sweigert is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Enlarged Prostate (BPH), Heartburn, Chronic Cough, and Dehydration.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Redwood Regional Medical Group Inc.

    3555 Round Barn Cir, 
    Santa Rosa, CA 
     (14.1 miles away)
    Languages Spoken:
    English

    Thomas Stanton is a Hematologist practicing medicine in Santa Rosa, California. Dr. Stanton is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Childhood Iron Deficiency Anemia, Paget Disease of the Breast, and Prostate Cancer.

    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    Office

    19270 Highway 12, 
    Sonoma, CA 
     (14.3 miles away)
    Languages Spoken:
    English

    Carol Ahern is a primary care provider, practicing in Family Medicine in Sonoma, California. Dr. Ahern is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Vitamin B12 Deficiency Anemia, Folate Deficiency, Multiple Carboxylase Deficiency, and Type 2 Diabetes (T2D).

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Campbell & Verducci

    670 3rd St W, 
    Sonoma, CA 
     (14.9 miles away)
    Languages Spoken:
    English

    Stuart Campbell is a primary care provider, practicing in Internal Medicine in Sonoma, California. Dr. Campbell is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Restrictive Cardiomyopathy (RCM), Osteoarthritis, Gastrointestinal Bleeding, Anemia, and Hip Replacement.

    Showing 1-18 of 18

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Saint Helena, 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 Vitamin B12 Deficiency doctor near Saint Helena, 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 Vitamin B12 Deficiency doctors near Saint Helena, 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 Vitamin B12 Deficiency doctors near Saint Helena, 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 Vitamin B12 Deficiency doctor near Saint Helena, 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 Vitamin B12 Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Vitamin B12 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 Vitamin B12 Deficiency doctor near Saint Helena, 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 Vitamin B12 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 Vitamin B12 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 Vitamin B12 Deficiency doctors near Saint Helena, CA?

    Look for the filter feature on the left side of the Vitamin B12 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 Vitamin B12 Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Vitamin B12 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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