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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 61 doctor with experience in Vitamin B12 Deficiency near Aliso Viejo, CA. Of these, 54 are Experienced and 6 are Advanced.

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

    Saddleback Medical Group

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

    Kimvir Dhillon is an Endocrinologist in Laguna Hills, California. Dr. Dhillon has been practicing medicine for over 28 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypothyroidism, Rickets, Osteomalacia, and Obesity in Children. Dr. Dhillon is currently accepting new patients.

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

    Saddleback Medical Group

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

    Cuong Ly is an Endocrinologist in Laguna Hills, California. Dr. Ly has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Acute Kidney Failure, Chronic Kidney Disease, End-Stage Renal Disease (ESRD), and Necrosis. Dr. Ly is currently accepting new patients.

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

    Michael Truong is an Endocrinologist in Mission Viejo, California. Dr. Truong is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Osteopenia, Melorheostosis with Osteopoikilosis, Melorheostosis, and Osteoporosis.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology Oncology
    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 in Mission Viejo, California. Dr. Sarwari is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Drug-Induced Thrombocytopenia, Thrombocytopenia, Familial Colorectal Cancer, and Breast Cancer. Dr. Sarwari is currently accepting new patients.

    Geriatrics
    Geriatrics

    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
    Offers Telehealth

    Samir Ahmad is a primary care provider, practicing in Geriatrics in Mission Viejo, California. His top areas of expertise are Umbilical Hernia, Omphalocele, Scabies, and Bullae.

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

    Minch Fong is a Hematologist Oncology provider in Mission Viejo, California. Dr. Fong is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Laryngeal Cancer, Pleuropulmonary Blastoma, Primitive Neuroectodermal Tumor (PNET), and Posterior Fossa Tumor. Dr. Fong is currently accepting new patients.

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

    Oncology Physicians Network Of California PC

    Aliso Viejo, CA 
     (0.6 miles away)
    Experience:
    20+ years
    Languages Spoken:
    English
    Offers Telehealth

    Janet Pan is an Internal Medicine provider in Aliso Viejo, California. Dr. Pan has been practicing medicine for over 20 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Inflammatory Breast Cancer, Angiosarcoma, Multiple Myeloma, and Paget Disease of the Breast.

    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)
    Experience:
    22+ years
    Languages Spoken:
    English
    Offers Telehealth

    Behnaz Motlagh is a Family Medicine provider in Laguna Niguel, California. Dr. Motlagh has been practicing medicine for over 22 years and is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin B12 Deficiency, Vitamin D Deficiency, Seasonal Affective Disorder (SAD), and Plantar Fasciitis.

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

    Oncology Physicians Network Of California PC

    Aliso Viejo, CA 
     (0.6 miles away)
    Experience:
    13+ years
    Languages Spoken:
    English
    Offers Telehealth

    Eric Lee is an Internal Medicine provider in Aliso Viejo, California. Dr. Lee has been practicing medicine for over 13 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Splenic Neoplasm, Deep Vein Thrombosis, RUNX1 Familial Platelet Disorder, and Paris-Trousseau Thrombocytopenia.

    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 top areas of expertise are Glossitis, Pernicious Anemia, Vitamin B12 Deficiency, and Subacute Combined Degeneration.

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

    Oncology Physicians Network Of California PC

    Aliso Viejo, CA 
     (0.6 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Offers Telehealth

    Steven Yu is an Internal Medicine provider in Aliso Viejo, California. Dr. Yu has been practicing medicine for over 15 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Splenic Neoplasm, Liver Cancer, Essential Thrombocythemia, and Chondrosarcoma.

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

    Oncology Physicians Network Of California PC

    Aliso Viejo, CA 
     (0.6 miles away)
    Experience:
    48+ years
    Languages Spoken:
    English
    Offers Telehealth

    Haresh Jhangiani is an Internal Medicine provider in Aliso Viejo, California. Dr. Jhangiani has been practicing medicine for over 48 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Breast Cancer, Inflammatory Breast Cancer, Paget Disease of the Breast, and Angiosarcoma.

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

    Oncology Physicians Network Of California PC

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

    Peyman Salimi is an Internal Medicine provider in Laguna Hills, California. Dr. Salimi has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Idiopathic Pulmonary Hemosiderosis, Hemosiderosis, Splenic Neoplasm, and Anemia.

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

    Access Community Health Center

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

    Alvin Chang is a primary care provider, practicing in Internal Medicine and Geriatrics in Laguna Hills, California. Dr. Chang has been practicing medicine for over 32 years and 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), Schizoaffective Disorder, Osteomyelitis in Children, Vitamin D Deficiency, and Gastrostomy.

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

    Oncology Physicians Network Of California PC

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

    Pete Pow is an Internal Medicine provider in Laguna Hills, California. Dr. Pow has been practicing medicine for over 11 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Splenic Neoplasm, Deep Vein Thrombosis, Angiosarcoma, and Inflammatory Breast Cancer.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    MemorialCare Medical Group - Laguna Hills

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

    Amy Bremner is an Oncologist in Laguna Hills, California. Dr. Bremner 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, Intraductal Papilloma, Lymphadenectomy, and Mastectomy. 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 top areas of expertise are High Cholesterol, Hypothyroidism, Gastroesophageal Reflux Disease (GERD), and Type 2 Diabetes (T2D).

    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)
    Experience:
    38+ years
    Languages Spoken:
    English

    Cheryl Kellogg is a primary care provider, practicing in Internal Medicine in Laguna Niguel, California. Dr. Kellogg has been practicing medicine for over 38 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin B12 Deficiency, Peripheral Neuropathy, Vitamin D Deficiency, and Subacute Combined Degeneration.

    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. His top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Faried Banimahd MD Inc

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

    Bruce Seligsohn is a primary care provider, practicing in Psychiatrist in Mission Viejo, California. Dr. Seligsohn has been practicing medicine for over 42 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Gardner-Diamond Syndrome, Autoerythrocyte Sensitivity, Purpura, and Maturity Onset Diabetes of the Young.

    Showing 1-20 of 61

    Last Updated: 04/28/2026

    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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