The 20 Best Vitamin B12 Deficiency Doctors Near Me in Fountain Valley, CA

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 105 doctor with experience in Vitamin B12 Deficiency near Fountain Valley, CA. Of these, 94 are Experienced and 11 are Advanced.

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

    Office

    11100 Warner Ave Ste 254, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Bachar Kurdi is an Endocrinologist practicing medicine in Fountain Valley, California. Dr. Kurdi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Thyroid Nodule, and Hypothyroidism.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Compassionate Cancer Care Medical Group Inc.

    11180 Warner Ave, 
    Fountain Valley, CA 
     (1.3 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Derrick Su is an Internal Medicine provider practicing medicine in Fountain Valley, California. He has been practicing medicine for over 15 years. Dr. Su is rated as an Advanced 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 Splenic Neoplasm, Thrombocytopenia, Lung Cancer, and Pleuropulmonary Blastoma. Dr. Su is board certified in American Board Internal Medicine.

    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Office

    10741 Westminster Ave Ste 100, 
    Garden Grove, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Mary Tran is a primary care provider, practicing in Family Medicine in Garden Grove, California. Dr. Tran is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 33 other conditions, according to our data. Her clinical expertise encompasses Tension Headache, Cyclic Neutropenia, Swallowing Difficulty, Gastrostomy, and Hemorrhoidectomy.

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

    Newport Mesa Medical Group

    275 Victoria St, 
    Costa Mesa, CA 
     (4.7 miles away)
    Experience:
    43+ years
    Languages Spoken:
    English

    Abdul Khan is a primary care provider, practicing in Internal Medicine in Costa Mesa, California. He has been practicing medicine for over 43 years. Dr. Khan is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Sepsis, Pediatric Low-Grade Glioma (pLGG), Pneumonia, Gastrostomy, and Bone Marrow Aspiration. Dr. Khan is board certified in American Board Of Internal Medicine.

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

    Robert A Devereaux MD

    11100 Warner Ave Ste 100, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Robert Devereaux is a primary care provider, practicing in Family Medicine in Fountain Valley, California. Dr. Devereaux 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 Hand-Foot-Mouth Disease (HFMD), Tracheitis, Lymphangitis, Gastrostomy, and Endoscopy.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    11180 Warner Ave Ste 467, 
    Fountain Valley, CA 
     (0.2 miles away)
    Languages Spoken:
    English

    Lalita Pandit is an Oncologist practicing medicine in Fountain Valley, California. Dr. Pandit is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Pleuropulmonary Blastoma, Beta Thalassemia, Anemia, Severe Congenital Neutropenia, and Bone Marrow Aspiration.

    Experienced in Vitamin B12 Deficiency
    Oncology
    Experienced in Vitamin B12 Deficiency
    Oncology

    Parkinsons Movement & Disorder Medical Group Inc.

    9940 Talbert Ave Ste 204, 
    Fountain Valley, CA 
     (0.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Khai Vu is an Oncologist practicing medicine in Fountain Valley, California. Dr. Vu is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Pleuropulmonary Blastoma, Colorectal Cancer, and Thrombocytopenia.

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

    Oncology Physicians Network Of California PC

    11180 Warner Ave, 
    Fountain Valley, CA 
     (1.3 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English
    Offers Telehealth

    Kevin Do is an Internal Medicine provider practicing medicine in Fountain Valley, California. He has been practicing medicine for over 21 years. Dr. Do is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Thalassemia, Thrombocytopenia, Anemia, and Splenic Neoplasm. Dr. Do is board certified in American Board Of Internal Medicine.

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

    Joseph Nassir MD

    17822 Beach Blvd, 
    Huntington Beach, CA 
     (2.0 miles away)
    Experience:
    36+ years
    Languages Spoken:
    English

    Joseph Nassir is a primary care provider, practicing in Internal Medicine in Huntington Beach, California. He has been practicing medicine for over 36 years. Dr. Nassir is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, Sepsis, Urinary Tract Infection in Children, Gastrostomy, and Hernia Surgery.

    Experienced in Vitamin B12 Deficiency
    Family Medicine | General Practice
    Experienced in Vitamin B12 Deficiency
    Family Medicine | General Practice

    Vu D Tran MD Inc

    16111 Beach Blvd, 
    Huntington Beach, CA 
     (2.4 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Offers Telehealth

    Vu Tran is a primary care provider, practicing in Family Medicine and General Practice in Huntington Beach, California. He has been practicing medicine for over 13 years. Dr. Tran is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Sepsis, Familial Hypertension, Hypertension, Gastrostomy, and Endoscopy. Dr. Tran is board certified in American Board Of Family Medicine.

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

    Miyoco Medical Group

    15975 Harbor Blvd, 
    Fountain Valley, CA 
     (2.5 miles away)
    Languages Spoken:
    English

    Marie Basa is a Nurse Practitioner practicing medicine in Fountain Valley, California. Ms. Basa is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency and Vitamin D Deficiency.

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

    Primary Care Specialists Inc

    9131 Adams Ave, 
    Huntington Beach, CA 
     (2.6 miles away)
    Languages Spoken:
    English

    Andrew Mleynek is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Mleynek is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Peripheral Artery Disease, Autoerythrocyte Sensitivity, Purpura, and Gardner-Diamond Syndrome.

    Experienced in Vitamin B12 Deficiency
    Family Medicine | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Internal Medicine

    Ajay G. Meka, MD Inc

    2740 S Bristol St, 
    Santa Ana, CA 
     (3.9 miles away)
    Experience:
    50+ years
    Languages Spoken:
    English
    Offers Telehealth

    Ajay Meka is a primary care provider, practicing in Internal Medicine and Family Medicine in Santa Ana, California. He has been practicing medicine for over 50 years. Dr. Meka 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 Osteomyelitis in Children, Hypertensive Heart Disease, Type 2 Diabetes (T2D), and Enlarged Liver. Dr. Meka is board certified in American Board Of Internal Medicine.

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

    Pacific Shores Medical Group Inc

    19582 Beach Blvd Ste 212, 
    Huntington Beach, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Yaser Homsi is an Internal Medicine provider practicing medicine in Huntington Beach, California. Dr. Homsi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Lung Cancer, Pleuropulmonary Blastoma, and Bone Marrow Aspiration.

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

    Office

    18682 Beach Blvd Ste 145-155, 
    Huntington Beach, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Betty Yu is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Yu 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 Hypoparathyroidism, Homocystinuria, Methylmalonic Acidemia with Homocystinuria, and Inborn Amino Acid Metabolism Disorder.

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

    Accetta Institute Of Womens Health Inc.

    19671 Beach Blvd Ste 315, 
    Huntington Beach, CA 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohamad Barakat is a Hematologist and an Oncologist practicing medicine in Huntington Beach, California. Dr. Barakat 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 Shwartzman Phenomenon, Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, and Smoldering Multiple Myeloma.

    Experienced in Vitamin B12 Deficiency
    Family Medicine | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Internal Medicine

    Newport Mesa Medical Group

    275 Victoria St, 
    Costa Mesa, CA 
     (4.7 miles away)
    Experience:
    41+ years
    Languages Spoken:
    English

    Munazza Khan is a primary care provider, practicing in Internal Medicine and Family Medicine in Costa Mesa, California. She has been practicing medicine for over 41 years. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Schistosomiasis, Diabetic Nephropathy, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Khan is board certified in American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    UCI Health-Costa Mesa Home Infusion Pharmacy

    1640 Newport Blvd Ste 400, 
    Costa Mesa, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Khosrow Mahdavi is an Oncologist practicing medicine in Costa Mesa, California. Dr. Mahdavi 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 Myelodysplastic Syndrome (MDS), Inflammatory Breast Cancer, Hemochromatosis, Paget Disease of the Breast, and Bone Marrow Aspiration.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    UCI Health Chao Family Comprehensive Cancer Center — Costa Mesa

    1640 Newport Blvd Ste 400, 
    Costa Mesa, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Misagh Karimi is a Hematologist practicing medicine in Costa Mesa, California. Dr. Karimi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Paget Disease of the Breast.

    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology

    Office

    355 Placentia Ave Ste 207A, 
    Newport Beach, CA 
     (6.0 miles away)
    Languages Spoken:
    English

    Duc Do is an Endocrinologist practicing medicine in Newport Beach, California. Dr. Do is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Thyroid Nodule, Hashimoto Thyroiditis, Medullary Thyroid Carcinoma, and Anaplastic Thyroid Cancer.

    Showing 1-20 of 105

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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 Fountain Valley, 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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