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    Last Updated: 10/30/2025

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    MediFind found 23 doctor with experience in Vitamin B12 Deficiency near Napa, CA. Of these, 20 are Experienced and 3 are Advanced.

    Location
    LocationClose
    23 providers found
      Experienced in Vitamin B12 Deficiency
      Endocrinology
      Experienced in Vitamin B12 Deficiency
      Endocrinology
      3260 Beard Rd, Suite 5, 
      Napa, CA 
       (1.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Do-eun Lee is an Endocrinologist in Napa, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Eunuchoidism Familial Hypogonadotropic, Male Pseudohermaphroditism with Gynecomastia, Testicular Failure, and Hypogonadism Primary Partial Alopecia.

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

      Napa Valley Family Medical Group Inc

      1155 Trancas St, 
      Napa, CA 
       (1.9 miles away)
      Experience:
      44+ years
      Languages Spoken:
      English
      Offers Telehealth

      Thomas Suard is a primary care provider, practicing in Family Medicine in Napa, California. Dr. Suard has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are High Cholesterol, Colorectal Cancer, Familial Colorectal Cancer, and Anemia.

      What does Elite, Distinguished, Advanced, Experienced mean?
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      1100 Trancas St, Suite 240, 
      Napa, CA 
       (1.9 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. His top areas of expertise are Enlarged Prostate (BPH), Heartburn, Chronic Cough, and Dehydration.

      Learn about our expert tiers
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology
      1000 Trancas Street, Suite 1, 
      Napa, CA 
       (1.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Daniel Mirda is a Hematologist Oncology specialist and a Hematologist in Napa, California. Dr. Mirda is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Myelodysplastic Syndrome (MDS), Thrombocytopenia, Small Cell Lung Cancer (SCLC), Lung Adenocarcinoma, and Bone Marrow Aspiration. Dr. Mirda is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine | Emergency Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine | Emergency Medicine
      3334 Sterling Ct, 
      Napa, CA 
       (2.7 miles away)
      Languages Spoken:
      English

      Mark Singer is an Emergency Medicine provider in Napa, California. Dr. Singer is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top area of expertise is Vitamin B12 Deficiency.

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

      Voltaire S Velarde MD Inc

      Vallejo, CA 
       (8.3 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Voltaire Velarde is a primary care provider, practicing in Internal Medicine in Vallejo, California. Dr. Velarde is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Acute Kidney Failure, Diabetic Nephropathy, Chronic Cough, and Nephrosclerosis.

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

      Campbell And Verducci

      670 3rd St W, 
      Sonoma, CA 
       (9.6 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      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. His top areas of expertise are Restrictive Cardiomyopathy (RCM), Osteoarthritis, Gastrointestinal Bleeding, Anemia, and Hip Replacement. Dr. Campbell is currently accepting new patients.

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

      Northbay Healthcare Group

      4520 Business Ctr Dr, Suite 200, 
      Fairfield, CA 
       (9.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Frances Benko is a primary care provider, practicing in Family Medicine in Fairfield, California. Dr. Benko is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Opisthotonos, Muscle Spasms, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Kanwaldeep K. Rasila
      Advanced in Vitamin B12 Deficiency
      Advanced in Vitamin B12 Deficiency
      2702 Low Court, 
      Fairfield, CA 
       (11.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Kanwaldeep Rasila is an Oncologist in Fairfield, California. Dr. Rasila is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Angiosarcoma, and Astrocytoma. Dr. Rasila is currently accepting new patients.

      Charbel J. Nadra
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      2720 Low Court, 
      Fairfield, CA 
       (11.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Charbel Nadra is a primary care provider, practicing in Internal Medicine in Fairfield, California. Dr. Nadra is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Anemia, Peripheral Neuropathy, Thrombocytopenia, and Hyperthyroidism. Dr. Nadra is currently accepting new patients.

      Mark S. Sullivan
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      2720 Low Court, 
      Fairfield, CA 
       (11.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Mark Sullivan is a primary care provider, practicing in Family Medicine in Fairfield, California. Dr. Sullivan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Non-Small Cell Lung Cancer (NSCLC), EGFR Positive Lung Cancer, Squamous Cell Lung Carcinoma, and ALK-Positive Non-Small Cell Lung Cancer. Dr. Sullivan is currently accepting new patients.

      Ella Gupta
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      2720 Low Court, 
      Fairfield, CA 
       (11.7 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English
      Offers Telehealth

      Ella Gupta is a primary care provider, practicing in Internal Medicine in Fairfield, California. Dr. Gupta has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Postmenopausal Osteoporosis, Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, and Anemia.

      Yelena L. Krijanovski
      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency
      2702 Low Ct., 
      Fairfield, CA 
       (11.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Yelena Krijanovski is an Oncologist in Fairfield, California. Dr. Krijanovski is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Lung Cancer, Small Cell Lung Cancer (SCLC), Pleuropulmonary Blastoma, and Chronic Lymphocytic Leukemia (CLL).

      Advanced in Vitamin B12 Deficiency
      Oncology | Hematology Oncology
      Advanced in Vitamin B12 Deficiency
      Oncology | Hematology Oncology
      100 Hospital Drive, Suite 110, 
      Vallejo, CA 
       (11.8 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Chainarong Limvarapuss is a Hematologist Oncology specialist and an Oncologist in Vallejo, California. Dr. Limvarapuss is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Childhood Iron Deficiency Anemia, Paget Disease of the Breast, Inflammatory Breast Cancer, Bone Marrow Aspiration, and Endoscopy. Dr. Limvarapuss is currently accepting new patients.

      Gabriel S. Chua
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine

      Sutter Medical Plaza Vallejo

      100 Hospital Drive, Suite 220, 
      Vallejo, CA 
       (11.8 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Gabriel Chua is a primary care provider, practicing in Family Medicine in Vallejo, California. Dr. Chua is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Neurocardiogenic Syncope, Fainting, Tarlov Cysts, and Familial Hypertension. Dr. Chua is currently accepting new patients.

      Advanced in Vitamin B12 Deficiency
      Nephrology
      Advanced in Vitamin B12 Deficiency
      Nephrology

      Kaiser Permanente Vallejo Medical Center - Nephrology

      975 Sereno Drive, Med Offices 2nd Fl Dept #228, 
      Vallejo, CA 
       (11.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Keyur Patel is a Nephrologist in Vallejo, California. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Toxocariasis, Vitamin B12 Deficiency, End-Stage Renal Disease (ESRD), and Chronic Kidney Disease. Dr. Patel is currently accepting new patients.

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

      Sonoma Valley Community Health Center

      19270 Hwy 12, 
      Sonoma, CA 
       (10.2 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. Her top areas of expertise are Folate Deficiency, Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, and Type 2 Diabetes (T2D).

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      2720 Low Ct, 
      Fairfield, CA 
       (11.7 miles away)
      Languages Spoken:
      English

      Margaret Poscher is a primary care provider, practicing in Internal Medicine in Fairfield, California. Dr. Poscher is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Heart Failure, and Pulmonary Edema.

      Experienced in Vitamin B12 Deficiency
      Oncology | Hematology Oncology
      Experienced in Vitamin B12 Deficiency
      Oncology | Hematology Oncology
      100 Hospital Drive, Suite 110, 
      Vallejo, CA 
       (11.8 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Ann Wexler is a Hematologist Oncology specialist and an Oncologist in Vallejo, California. Dr. Wexler is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, and Colorectal Cancer. Dr. Wexler is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Oncology
      100 Hospital Drive, Suite 110, 
      Vallejo, CA 
       (11.8 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Dyaneshbapu Ravindran is a Hematologist Oncology specialist and an Oncologist in Vallejo, California. Dr. Ravindran is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Paget Disease of the Breast, Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), and Richter Syndrome. Dr. Ravindran is currently accepting new patients.

      Showing 1-20 of 23

      Last Updated: 10/30/2025

      When should I see a Vitamin B12 Deficiency doctor near Napa, 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 Napa, 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 Napa, 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 Napa, 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 Napa, 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 Napa, 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 Napa, 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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