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    Last Updated: 01/09/2026

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    MediFind found 88 doctor with experience in Vitamin B12 Deficiency near Long Beach, CA. Of these, 77 are Experienced and 11 are Advanced.

    Location
    LocationClose
    88 providers found
      Advanced in Vitamin B12 Deficiency
      Hematology | Oncology
      Advanced in Vitamin B12 Deficiency
      Hematology | Oncology
      2653 Elm Avenue, Suite 300, 
      Long Beach, CA 
       (2.5 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Sassan Farjami is a Hematologist and an Oncologist in Long Beach, California. Dr. Farjami is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Paget Disease of the Breast, Lynch Syndrome, and Gastrostomy. Dr. Farjami is currently accepting new patients.

      Advanced in Vitamin B12 Deficiency
      Oncology | Hematology
      Advanced in Vitamin B12 Deficiency
      Oncology | Hematology
      3747 Worsham Avenue, Suite 101, 
      Long Beach, CA 
       (4.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Lihong Wu is a Hematologist and an Oncologist in Long Beach, California. Dr. Wu is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Familial Colorectal Cancer, Liver Failure, Breast Cancer, Gastrostomy, and Endoscopy. Dr. Wu is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Hematology Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology
      1043 Elm Avenue, Suite 104, 
      Long Beach, CA 
       (0.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Rahul Naik is a Hematologist Oncology provider in Long Beach, California. Dr. Naik is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Thrombocytopenia, Essential Thrombocythemia, Acute Mountain Sickness, and HER-2 Positive Breast Cancer. Dr. Naik is currently accepting new patients.

      Learn about our expert tiers
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology
      1043 Elm Avenue, Suite 104, 
      Long Beach, CA 
       (0.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Nishan Tchekmedyian is a Hematologist Oncology provider in Long Beach, California. Dr. Tchekmedyian is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Cholangiocarcinoma (Bile Duct Cancer), Iron Deficiency Anemia, Non-Hodgkin Lymphoma, and Childhood Iron Deficiency Anemia. Dr. Tchekmedyian is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency
      1043 Elm Avenue, Suite 104, 
      Long Beach, CA 
       (0.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Nerses Tchekmedyian is an Oncologist in Long Beach, California. Dr. Tchekmedyian is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Colorectal Cancer, Stomach Cancer, Breast Cancer, and Paget Disease of the Breast. Dr. Tchekmedyian is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      300 Redondo Avenue, 
      Long Beach, CA 
       (2.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Clayton Dejong is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. Dejong is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Syringomyelia, Syringobulbia, Chiari Malformation Type 2, and High Cholesterol. Dr. Dejong is currently accepting new patients.

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

      Complete Care Family Medical Clinic

      1231 N Avalon Blvd, 
      Wilmington, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Homan Siman is a primary care provider, practicing in Internal Medicine in Wilmington, California. Dr. Siman is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Methylmalonic Acidemia with Homocystinuria, Homocystinuria, Inborn Amino Acid Metabolism Disorder, and Cirrhosis.

      Advanced in Vitamin B12 Deficiency
      Family Medicine
      Advanced in Vitamin B12 Deficiency
      Family Medicine
      824 East Carson Street, Suite 206, 
      Carson, CA 
       (5.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Daniel Harvey is a primary care provider, practicing in Family Medicine in Carson, California. Dr. Harvey is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Lymphoid Hyperplasia, Glossitis, Pernicious Anemia, Gastrostomy, and Endoscopy. Dr. Harvey is currently accepting new patients.

      Advanced in Vitamin B12 Deficiency
      Geriatrics | Family Medicine
      Advanced in Vitamin B12 Deficiency
      Geriatrics | Family Medicine
      23451 Madison Street, Suite 140, 
      Torrance, CA 
       (9.4 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Thomas Lagrelius is a primary care provider, practicing in Geriatrics and Family Medicine in Torrance, California. Dr. Lagrelius is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Dihydropyrimidine Dehydrogenase Deficiency, Multiple Symmetric Lipomatosis, Fumarase Deficiency, and Gracile Syndrome. Dr. Lagrelius is currently accepting new patients.

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

      City Of Hope Medical Foundation

      1043 Elm Ave, Suite 104, 
      Long Beach, CA 
       (0.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Chona Ray is a Nurse Practitioner specialist and a Hematologist Oncology provider in Long Beach, California. Ms. Ray is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Hereditary Resistance to Anti-Vitamin K, Congenital Antithrombin 3 Deficiency, Protein C Deficiency, and Protein S Deficiency.

      Experienced in Vitamin B12 Deficiency
      Nephrology
      Experienced in Vitamin B12 Deficiency
      Nephrology

      Medicine And Nephrology Associates

      1045 Atlantic Ave, Suite 915, 
      Long Beach, CA 
       (0.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Jack Rubin is a Nephrologist in Long Beach, California. Dr. Rubin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Acute Kidney Failure, Chronic Kidney Disease, Gastrostomy, and Endoscopy.

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

      Loan T Truong MD Inc

      709 E Anaheim St, 
      Long Beach, CA 
       (1.1 miles away)
      Languages Spoken:
      English

      Loan Truong is a primary care provider, practicing in Family Medicine in Long Beach, California. Dr. Truong is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Atopic Dermatitis, High Cholesterol, Scabies, and Acne.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      2776 Pacific Ave, 
      Long Beach, CA 
       (2.6 miles away)
      Languages Spoken:
      English

      Oliver Mason is a primary care provider, practicing in Internal Medicine in Long Beach, California. Dr. Mason is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Anemia, Febrile Neutropenia, Acne, and Hyphema.

      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      3520 Long Beach Blvd, Suite 204, 
      Long Beach, CA 
       (3.5 miles away)
      Languages Spoken:
      English

      Lalita Pandit is a Hematologist Oncology specialist and a Hematologist in Long Beach, California. Dr. Pandit is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Pleuropulmonary Blastoma, Beta Thalassemia, Anemia, Severe Congenital Neutropenia, and Bone Marrow Aspiration.

      Experienced in Vitamin B12 Deficiency
      General Practice
      Experienced in Vitamin B12 Deficiency
      General Practice

      Complete Care Family Medical Clinic

      1231 N Avalon Blvd, 
      Wilmington, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Homayoun Siman is a primary care provider, practicing in General Practice in Wilmington, California. Dr. Siman 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, Hypertensive Heart Disease, and Osteotomy.

      Experienced in Vitamin B12 Deficiency
      Oncology | Hematology
      Experienced in Vitamin B12 Deficiency
      Oncology | Hematology
      3300 East South Street, Suite 304, 
      Lakewood, CA 
       (6.6 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Eric Cheung is a Hematologist and an Oncologist in Lakewood, California. Dr. Cheung is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Thrombocytopenia, Febrile Neutropenia, Chronic Familial Neutropenia, and Agranulocytosis. Dr. Cheung is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Hematology
      Experienced in Vitamin B12 Deficiency
      Hematology
      3650 South Street, Suite 212, 
      Lakewood, CA 
       (6.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Raghu Nandan is a Hematologist in Lakewood, California. Dr. Nandan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Anemia, Thrombocytopenia, Febrile Neutropenia, and Agranulocytosis. Dr. Nandan is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      1360 West 6th Street, Suite 315, 
      San Pedro, CA 
       (6.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Roopa Reddy is a primary care provider, practicing in Internal Medicine in San Pedro, California. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Chronic Cough, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis. Dr. Reddy is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Gastroenterology
      Experienced in Vitamin B12 Deficiency
      Gastroenterology
      1499 West 1st Street, 
      San Pedro, CA 
       (6.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Andres Jimenez is a primary care provider, practicing in Gastroenterologist in San Pedro, California. Dr. Jimenez 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 High Cholesterol.

      Experienced in Vitamin B12 Deficiency
      Hematology
      Experienced in Vitamin B12 Deficiency
      Hematology
      3822 Katella Avenue, 
      Los Alamitos, CA 
       (7.7 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Vu Phan is a Hematologist in Los Alamitos, California. Dr. Phan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Ampullary Cancer, Thrombocytopenia, Smoldering Multiple Myeloma, Deep Vein Thrombosis, and Bone Marrow Aspiration. Dr. Phan is currently accepting new patients.

      Showing 1-20 of 88

      Last Updated: 01/09/2026

      When should I see a Vitamin B12 Deficiency doctor near Long Beach, 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 Long Beach, 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 Long Beach, 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 Long Beach, 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 Long Beach, 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 Long Beach, 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 Long Beach, 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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