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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 99 doctor with experience in Vitamin B12 Deficiency near irvine, CA. Of these, 87 are Experienced, 11 are Advanced and 1 are Elite.

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99 providers found
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    UCI Health - Irvine Chao Family Comprehensive Cancer Center & Ambulatory Care

    19208 Jamboree Road, 
    Irvine, CA 
     (1.8 miles away)
    Languages Spoken:
    English, Farsi
    Offers Telehealth

    Misagh Karimi is a Hematologist and an Oncologist practicing medicine in Irvine, California. Dr. Karimi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 27 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Paget Disease of the Breast. Dr. Karimi is board certified in American Board Of Internal Medicine - Hematology and American Board Of Internal Medicine - Medical Oncology.

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

    Pacific Shores Medical Group

    16300 Sand Canyon Ave, Ste 207, 
    Irvine, CA 
     (3.5 miles away)
    Languages Spoken:
    English, Armenian, French, Spanish
    Accepting New Patients
    Offers Telehealth

    Nerses Tchekmedyian is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Tchekmedyian 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 Juvenile Primary Osteoporosis, Postmenopausal Osteoporosis, Osteoporosis, and Ulcerative Colitis. Dr. Tchekmedyian is board certified in Internal Medicine (Sub: Medical Oncology), American Board Internal Medicine, and Internal Medicine. Dr. Tchekmedyian is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Sudarsan Vishnu Kollimuttathuillam, M.D.

    16300 Sand Canyon Ave, 
    Irvine, CA 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sudarsan Kollimuttathuillam is an Oncologist practicing medicine in Irvine, California. Dr. Kollimuttathuillam is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Agranulocytosis, Chronic Familial Neutropenia, Gastroesophageal Junction Cancer, and Febrile Neutropenia.

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

    Omid Vesal MD Medical Corporation

    2500 Alton Pkwy Ste 101, 
    Irvine, CA 
     (1.5 miles away)
    Languages Spoken:
    English

    Omid Vesal is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Vesal 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 Dehydration, Pneumonia, Androgen Insensitivity Syndrome, and Neuralgia.

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

    Dynamic Health Center

    18818 Teller Ave Ste 170, 
    Irvine, CA 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mary Raleigh is a primary care provider, practicing in Family Medicine in Irvine, California. Dr. Raleigh is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Bile Acid Malabsorption, Erdheim-Chester Disease, Multiple Symmetric Lipomatosis, and Gracile Syndrome.

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

    Farrokh Alemzadeh MD Inc

    4950 Barranca Pkwy, 
    Irvine, CA 
     (1.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Farrokh Alemzadeh is a primary care provider, practicing in Internal Medicine in Irvine, California. Dr. Alemzadeh is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Diarrhea, and Trichohepatoenteric Syndrome. Dr. Alemzadeh is board certified in American Board Of Family Medicine.

    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Referral may be required
    5 Hutton Centre Dr, Suite 950, 
    Santa Ana, CA 
     (3.1 miles away)
    Languages Spoken:
    English

    Fenia Philemond is a Nurse Practitioner practicing medicine in Santa Ana, California. Philemond, NP is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Protein Deficiency, Seasonal Affective Disorder (SAD), Heart Failure with Preserved Ejection Fraction (HFpEF), and Vitamin B12 Deficiency.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Luke Chen, M.D.

    16300 Sand Canyon Ave, 
    Irvine, CA 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Luke Chen is a Hematologist and an Oncologist practicing medicine in Irvine, California. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, Deep Vein Thrombosis, Beta Thalassemia, and Prostatectomy.

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

    Office

    20311 SW Acacia St, 
    Newport Beach, CA 
     (3.5 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Offers Telehealth

    Mohitkumar Ardeshana is a primary care provider, practicing in Internal Medicine in Newport Beach, California. He has been practicing medicine for over 17 years. Dr. Ardeshana 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 Insomnia, Vertigo, Hypertension, and Familial Hypertension.

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

    Saint Youstina

    809 S Main St, 
    Santa Ana, CA 
     (4.4 miles away)
    Languages Spoken:
    English

    Isaac Beshay is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Beshay is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Office

    1441 Avocado Ave Ste 301, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English

    Wael Harb is an Oncologist practicing medicine in Newport Beach, California. Dr. Harb is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Breast Cancer, Familial Colorectal Cancer, and Colorectal Cancer.

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

    Newport Coast Medical Group Inc.

    360 San Miguel Dr Ste 105, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English

    Richard Harano is a primary care provider, practicing in Internal Medicine in Newport Beach, California. Dr. Harano 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 Sitosterolemia, High Cholesterol, Hemorrhagic Proctocolitis, and Hypertension.

    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Referral may be required
    1601 Avocado Avenue, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Wade Smith is a Hematologist Oncology provider practicing medicine in Newport Beach, California. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Paget Disease of the Breast, Breast Cancer, Inflammatory Breast Cancer, and Angiosarcoma. Dr. Smith is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    MemorialCare Cancer Institute At Breastlink Newport

    1441 Avocado Ave Ste 301, 
    Newport Beach, CA 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Irina Sachelarie is an Oncologist practicing medicine in Newport Beach, California. Dr. Sachelarie is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 39 other conditions, according to our data. Her clinical expertise encompasses Angiosarcoma, Inflammatory Breast Cancer, Breast Cancer, and Paget Disease of the Breast. Dr. Sachelarie is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine
    801 North Tustin Avenue, Suite 703, 
    Santa Ana, CA 
     (4.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Thomas Badin is a primary care provider, practicing in Family Medicine in Santa Ana, California. Dr. Badin 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 Diffuse Panbronchiolitis, Insomnia, Glossitis, and Pernicious Anemia.

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

    Optum - Chapman

    845 E Chapman Ave, 
    Orange, CA 
     (7.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Ana Fajardo is a primary care provider, practicing in Family Medicine in Orange, California. Dr. Fajardo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Autoerythrocyte Sensitivity, Gardner-Diamond Syndrome, Purpura, and Cirrhosis. Dr. Fajardo is board certified in American Board Of Family Medicine. Dr. Fajardo is currently accepting new patients.

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

    Medlee Family Practice Inc.

    355 Placentia Ave Ste 102, 
    Newport Beach, CA 
     (7.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    James Fondren is a primary care provider, practicing in Internal Medicine in Newport Beach, California. Dr. Fondren 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 Sitosterolemia, Juvenile Primary Osteoporosis, Vitamin B12 Deficiency, and High Cholesterol. Dr. Fondren is currently accepting new patients.

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

    Primary Care Specialists Inc

    9131 Adams Ave, 
    Huntington Beach, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    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, Purpura, Gardner-Diamond Syndrome, and Autoerythrocyte Sensitivity. Dr. Mleynek is currently accepting new patients.

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

    Nahla H Salem MD Inc

    8101 Newman Ave, 
    Huntington Beach, CA 
     (9.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nahla Salem is a primary care provider, practicing in Family Medicine in Huntington Beach, California. Dr. Salem is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 218 other conditions, according to our data. Her clinical expertise encompasses Acute Cystitis, Otitis, Cellulitis, and Urinary Tract Infection in Children. Dr. Salem is board certified in American Board Of Family Medicine. Dr. Salem is currently accepting new patients.

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

    Newport Mesa Medical Group

    275 Victoria St, 
    Costa Mesa, CA 
     (5.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Abdul Khan is a primary care provider, practicing in Internal Medicine in Costa Mesa, California. Dr. Khan is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Sepsis, Pediatric Low-Grade Glioma (pLGG), Schistosomiasis, Gastrostomy, and Bone Marrow Aspiration. Dr. Khan is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 99

    Last Updated: 09/26/2026

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