The 20 Best Vitamin B12 Deficiency Doctors Near Me in Walnut Creek, CA

Find the Top Vitamin B12 Deficiency Experts and Specialists

The 20 Best Vitamin B12 Deficiency Doctors near Walnut Creek, CA

Last Updated: 02/22/2026

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MediFind found 53 doctor with experience in Vitamin B12 Deficiency near Walnut Creek, CA. Of these, 49 are Experienced and 4 are Advanced.

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53 providers found
    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology

    Mark Klebanov MD Corp

    120 La Casa Via Ste 102, 
    Walnut Creek, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Mark Klebanov is an Endocrinologist in Walnut Creek, California. Dr. Klebanov is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Vitamin B12 Deficiency, and Osteoporosis.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Michael P Sherman MD PhD A Medical Corporation

    500 Lennon Ln, 
    Walnut Creek, CA 
     (2.3 miles away)
    Languages Spoken:
    English

    Michael Sherman is an Oncologist in Walnut Creek, California. Dr. Sherman is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Paget Disease of the Breast, Familial Colorectal Cancer, Childhood Iron Deficiency Anemia, and Familial Prostate Cancer.

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

    Kidney Transplant At Walnut Creek

    1450 Treat Blvd, 
    Walnut Creek, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lawren Hicks is a primary care provider, practicing in Family Medicine in Walnut Creek, California. Dr. Hicks is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Sitosterolemia, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

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

    Kidney Transplant At Walnut Creek

    1450 Treat Blvd, 
    Walnut Creek, CA 
     (1.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Monique Delisser is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Delisser is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin D Deficiency, Melorheostosis, Melorheostosis with Osteopoikilosis, and Osteopenia.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Bass Medical Group

    365 Lennon Ln, 
    Walnut Creek, CA 
     (2.2 miles away)
    Languages Spoken:
    English, Mandarin

    Chih-hsin Wen is a Urologist in Walnut Creek, California. Dr. Wen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Urinary Tract Infection in Children, Reconstructive Urology Surgery, and Prostatectomy.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Michael P Sherman MD PhD A Medical Corporation

    500 Lennon Ln, 
    Walnut Creek, CA 
     (2.3 miles away)
    Languages Spoken:
    English

    Diana Superfin is a Hematologist in Walnut Creek, California. Dr. Superfin 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, Familial Pancreatic Cancer, and Pancreatic Cancer.

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

    Pleasant Hill Medical Office Building

    2675 Pleasant Hill Rd, 
    Pleasant Hill, CA 
     (3.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Aimee Keyashian is a primary care provider, practicing in Internal Medicine in Pleasant Hill, California. Dr. Keyashian is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Tinnitus, High Cholesterol, Melorheostosis with Osteopoikilosis, and Melorheostosis.

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

    Office

    401 Gregory Ln Ste 248, 
    Pleasant Hill, CA 
     (3.1 miles away)
    Languages Spoken:
    English

    Patrick Jolin is a primary care provider, practicing in Family Medicine in Pleasant Hill, California. Dr. Jolin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Familial Hypertension.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Diablo Valley Oncology And Hematology Medical Group Inc.

    400 Taylor Blvd Ste 202, 
    Pleasant Hill, CA 
     (3.6 miles away)
    Languages Spoken:
    English

    Robert Robles is a Hematologist and an Oncologist in Pleasant Hill, California. Dr. Robles 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, Plummer-Vinson Syndrome, Lung Cancer, Pleuropulmonary Blastoma, and Bone Marrow Aspiration.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Diablo Valley Oncology And Hematology Medical Group Inc.

    400 Taylor Blvd Ste 202, 
    Pleasant Hill, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Aditi Choudhry is a Hematologist in Pleasant Hill, California. Dr. Choudhry 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, Lymphofollicular Hyperplasia, and Aleukemic Leukemia Cutis (ALC).

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Diablo Valley Oncology And Hematology Medical Group Inc.

    400 Taylor Blvd Ste 202, 
    Pleasant Hill, CA 
     (3.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Yelena Krupitskaya is an Oncologist in Pleasant Hill, California. Dr. Krupitskaya is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Thrombocytopenia, and Aleukemic Leukemia Cutis (ALC).

    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    Diablo Valley Oncology And Hematology Medical Group Inc.

    400 Taylor Blvd Ste 202, 
    Pleasant Hill, CA 
     (3.6 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Tianyi Tang is a Hematologist in Pleasant Hill, California. Dr. Tang has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Thrombocytopenia, Anemia, Deep Vein Thrombosis, and Primitive Neuroectodermal Tumor (PNET).

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    177 La Casa Via Ste 390, 
    Walnut Creek, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Walailuk Chaiyarat is a Hematologist in Walnut Creek, California. Dr. Chaiyarat is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Familial Colorectal Cancer, and Inflammatory Breast Cancer.

    Experienced in Vitamin B12 Deficiency
    Neurology
    Experienced in Vitamin B12 Deficiency
    Neurology

    Office

    575 Lennon Ln Ste 152, 
    Walnut Creek, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Kai Lee is a Neurologist in Walnut Creek, California. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Movement Disorders, Parkinson's Disease, Hereditary Sensory and Autonomic Neuropathy Type 2, and Infantile Axonal Neuropathy.

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

    Office

    2637 Shadelands Dr Ste J, 
    Walnut Creek, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Anthony Bernens is a primary care provider, practicing in Internal Medicine in Walnut Creek, California. Dr. Bernens is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Adenosine Deaminase Deficiency, X-Linked Severe Combined Immunodeficiency, Fish Tapeworm Infection, and Degos Disease.

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

    Allergy & Asthma Medical Group Of The Bay Area Inc

    370 N Wiget Ln Ste 210, 
    Walnut Creek, CA 
     (3.7 miles away)
    Languages Spoken:
    English

    Karna Gendo is an Internal Medicine provider in Walnut Creek, California. Dr. Gendo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hives, Allergic Rhinitis, Sinusitis, and Angioedema.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Mount Diablo Solano Oncology Group Medical Associates

    2571 Park Ave, 
    Concord, CA 
     (5.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lesley Martin is a Hematologist in Concord, California. Dr. Martin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Pleuropulmonary Blastoma, and Lung Cancer.

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

    Mount Diablo Solano Oncology Group Medical Associates

    2571 Park Ave, 
    Concord, CA 
     (5.4 miles away)
    Languages Spoken:
    English

    Elizabeth Odumakinde is an Internal Medicine provider in Concord, California. Dr. Odumakinde is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Familial Colorectal Cancer, and Small Lymphocytic Lymphoma (SLL).

    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner

    Parham Gharagozlou, MD Inc

    3108 Willow Pass Rd, 
    Concord, CA 
     (5.5 miles away)
    Languages Spoken:
    English

    Spencer Goss is a Nurse Practitioner in Concord, California. Mr. Goss is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are ALK-Positive Non-Small Cell Lung Cancer, Febrile Neutropenia, Smoldering Multiple Myeloma, and Pancreatic Ductal Adenocarcinoma.

    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    Office

    2500 Alhambra Ave Bldg 1, 
    Martinez, CA 
     (7.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Bimal Patel is a Hematologist in Martinez, California. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Cicatricial Pemphigoid, Paget Disease of the Breast, Breast Cancer, and Lung Cancer.

    Showing 1-20 of 53

    Last Updated: 02/22/2026

    When should I see a Vitamin B12 Deficiency doctor near Walnut Creek, 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 Walnut Creek, 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 Walnut Creek, 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 Walnut Creek, 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 Walnut Creek, 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 Walnut Creek, 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 Walnut Creek, 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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