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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 56 doctor with experience in Vitamin B12 Deficiency near aliso viejo, CA. Of these, 49 are Experienced, 6 are Advanced and 1 are Elite.

Location
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56 providers found
    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 
     (6.9 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
    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 
     (8.5 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.

    Referral may be required

    Celebrating Life Community Health Center

    27800 Medical Center Road, Suite 109 And Suite 110-Adult, 
    Mission Viejo, CA 
     (3.6 miles away)
    Languages Spoken:
    English, Arabic
    Accepting New Patients
    Offers Telehealth

    Samir Ahmad is a Geriatrics provider practicing medicine in Mission Viejo, California. Dr. Ahmad is rated as undefined provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Chronic Obstructive Pulmonary Disease (COPD), Hypertension, Type 2 Diabetes (T2D), and Osteoporosis. Dr. Ahmad is board certified in American Board Of Internal Medicine® - Internal Medicine and American Board Of Medical Specialties®. Dr. Ahmad is currently accepting new patients in some locations.

    Learn about our expert tiers
    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 
     (6.9 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.

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

    Health Solution Medical Corp

    27781 La Paz Rd, 
    Laguna Niguel, CA 
     (1.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Behnaz Motlagh is a primary care provider, practicing in Family Medicine in Laguna Niguel, California. Dr. Motlagh is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Glossitis, Pernicious Anemia, Vitamin B12 Deficiency, and Hypothyroidism. Dr. Motlagh is board certified in American Board Of Family Medicine.

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

    UCI Health - Laguna Hills Multispecialty

    Laguna Hills, CA 
     (2.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Gol Golshani is a Hematologist and an Oncologist practicing medicine in Laguna Hills, California. Dr. Golshani is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Chronic Familial Neutropenia, Agranulocytosis, Severe Congenital Neutropenia, and Thrombocytopenia. Dr. Golshani is board certified in American Board Of Internal Medicine - Hematology, American Board Of Internal Medicine - Medical Oncology, and American Board Of Internal Medicine - Internal Medicine.

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

    Peter Jungwirth M.D. Inc

    15 Mareblu Ste 350, 
    Aliso Viejo, CA 
     (0.6 miles away)
    Languages Spoken:
    English

    Peter Jungwirth is a primary care provider, practicing in Internal Medicine in Aliso Viejo, California. Dr. Jungwirth is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Glossitis, Pernicious Anemia, Vitamin B12 Deficiency, and Subacute Combined Degeneration.

    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Referral required

    Saddleback Medical Group

    Laguna Hills, CA 
     (2.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Kimvir Dhillon is an Endocrinologist practicing medicine in Laguna Hills, California. Dr. Dhillon is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Hypothyroidism, Rickets, Osteomalacia, and Obesity in Children. Dr. Dhillon is board certified in American Board Of Endocrinology, Diabetes And Metabolism. Dr. Dhillon is currently accepting new patients.

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

    Oncology Physicians Network Of California PC

    Laguna Hills, CA 
     (2.3 miles away)
    Experience:
    11+ years
    Languages Spoken:
    English
    Offers Telehealth

    Pete Pow is a primary care provider, a Hematologist and an Oncologist in Laguna Hills, California. He has been practicing medicine for over 11 years. Dr. Pow 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 Splenic Neoplasm, Deep Vein Thrombosis, Colorectal Cancer, and Thrombocytopenia. Dr. Pow is board certified in American Board Internal Medicine.

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

    MemorialCare Medical Group - Laguna Hills

    Laguna Hills, CA 
     (2.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Amy Bremner is an Oncologist practicing medicine in Laguna Hills, California. Dr. Bremner is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Inflammatory Breast Cancer, and Lymphadenectomy. Dr. Bremner is currently accepting new patients.

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

    Saddleback Medical Group

    Laguna Hills, CA 
     (2.3 miles away)
    Languages Spoken:
    English

    Raymond Fernandez is a primary care provider, practicing in Internal Medicine in Laguna Hills, California. Dr. Fernandez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses High Cholesterol, Hypothyroidism, Gastroesophageal Reflux Disease (GERD), and Type 2 Diabetes (T2D).

    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Referral required

    Saddleback Medical Group

    Laguna Hills, CA 
     (2.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Cuong Ly is an Endocrinologist practicing medicine in Laguna Hills, California. Dr. Ly 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 End-Stage Renal Disease (ESRD), Heart Failure with Preserved Ejection Fraction (HFpEF), Milk-Alkali Syndrome, and Idiopathic Hypercalciuria. Dr. Ly is board certified in American Board Of Internal Medicine. Dr. Ly is currently accepting new patients.

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

    Cheryl L Kellogg MD

    30131 Town Center Dr, 
    Laguna Niguel, CA 
     (3.0 miles away)
    Languages Spoken:
    English

    Cheryl Kellogg is a primary care provider, practicing in Internal Medicine in Laguna Niguel, California. Dr. Kellogg is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency, Peripheral Neuropathy, Vitamin D Deficiency, and Subacute Combined Degeneration. Dr. Kellogg is board certified in American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Referral required
    26800 Crown Valley Parkway, Suite 230, 
    Mission Viejo, CA 
     (3.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Truong is an Endocrinologist practicing medicine in Mission Viejo, California. Dr. Truong is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Osteopenia, Melorheostosis, Melorheostosis with Osteopoikilosis, and Osteoporosis. Dr. Truong is currently accepting new patients.

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

    Optum California-Hoag Clinic

    26800 Crown Valley Pkwy, 
    Mission Viejo, CA 
     (3.4 miles away)
    Languages Spoken:
    English

    Donald Pratt is a primary care provider, practicing in Internal Medicine in Mission Viejo, California. Dr. Pratt 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 High Cholesterol, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Referral may be required
    26732 Crown Valley Parkway, Suite 271, 
    Mission Viejo, CA 
     (3.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nawid Sarwari is a Hematologist Oncology provider practicing medicine in Mission Viejo, California. Dr. Sarwari 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 Drug-Induced Thrombocytopenia, Thrombocytopenia, Breast Cancer, and Acute Mountain Sickness. Dr. Sarwari is currently accepting new patients.

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

    Faried Banimahd MD Inc

    26302 La Paz Rd, 
    Mission Viejo, CA 
     (3.8 miles away)
    Languages Spoken:
    English

    Bruce Seligsohn is a Psychiatrist practicing medicine in Mission Viejo, California. Dr. Seligsohn is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Vitamin B12 Deficiency. Dr. Seligsohn is board certified in American Board Of Internal Medicine.

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

    Minch K. Fong M.D. Inc.

    26691 Plaza Ste 200, 
    Mission Viejo, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Lloyd Nagasawa is an Oncologist practicing medicine in Mission Viejo, California. Dr. Nagasawa 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 Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, and Stomach Cancer.

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

    Ocean View Hematology/Oncology Medical Group

    26732 Crown Valley Pkwy Ste 475, 
    Mission Viejo, CA 
     (4.6 miles away)
    Languages Spoken:
    English

    Gabriel Carabulea is an Oncologist practicing medicine in Mission Viejo, California. Dr. Carabulea 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 Pleuropulmonary Blastoma, Febrile Neutropenia, Agranulocytosis, and Chronic Familial Neutropenia.

    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Referral may be required
    27799 Medical Center Road, Suite 460, 
    Mission Viejo, CA 
     (4.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Minch Fong is a Hematologist Oncology provider practicing medicine in Mission Viejo, California. Dr. Fong is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Laryngeal Cancer, Pleuropulmonary Blastoma, Primitive Neuroectodermal Tumor (PNET), and Posterior Fossa Tumor. Dr. Fong is currently accepting new patients.

    Showing 1-20 of 56

    Last Updated: 09/26/2026

    When should I see a Vitamin B12 Deficiency doctor near aliso viejo, 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 aliso viejo, 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 aliso viejo, 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 aliso viejo, 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 aliso viejo, 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 aliso viejo, 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 aliso viejo, 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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