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

Find the Top Vitamin B12 Deficiency Experts and Specialists

The 20 Best Vitamin B12 Deficiency Doctors near San Diego, CA

Last Updated: 02/22/2026

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MediFind found 72 doctor with experience in Vitamin B12 Deficiency near San Diego, CA. Of these, 60 are Experienced and 12 are Advanced.

Location
LocationClose
72 providers found
    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Paradise Comprehensive Medical Group

    340 Fourth Ave Ste 11, 
    Chula Vista,, CA 
     (8.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ali Alamar is a primary care provider, practicing in Family Medicine in Chula Vista,, California. Dr. Alamar is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Amebic Liver Abscess, End-Stage Renal Disease (ESRD), Glossitis, Gastrostomy, and Endoscopy.

    Experienced in Vitamin B12 Deficiency
    Pediatrics
    Experienced in Vitamin B12 Deficiency
    Pediatrics

    Family Health Centers Of San Diego Inc.

    1809 National Ave, 
    San Diego, CA 
     (1.3 miles away)
    Languages Spoken:
    English

    Varsha Gupta is a Pediatrics provider in San Diego, California. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Obesity in Children, Cerebral Hypoxia, Vitamin B12 Deficiency, and Anemia.

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

    Internal Medi Cine. Associates Medical Group Of San Diego Inc.

    3260 3rd Ave, 
    San Diego, CA 
     (1.6 miles away)
    Languages Spoken:
    English

    Paul Speckart is an Internal Medicine provider in San Diego, California. Dr. Speckart 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), Maturity Onset Diabetes of the Young, Eunuchoidism Familial Hypogonadotropic, and Male Pseudohermaphroditism with Gynecomastia.

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

    Prebys Cancer Center

    4044 5th Ave, 
    San Diego, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Aparajit Venkateswaran is an Internal Medicine provider in San Diego, California. Dr. Venkateswaran is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Opioid Induced Constipation, Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, and Immune Thrombocytopenic Purpura (ITP).

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

    Scripps Coastal Medical Center Hillcrest

    501 Washington St # 5250600, 
    San Diego, CA 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kosala Samarasinghe is a primary care provider, practicing in Internal Medicine in San Diego, California. Dr. Samarasinghe is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency Anemia, Folate Deficiency, Multiple Carboxylase Deficiency, and Subacute Combined Degeneration.

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

    UC San Diego Health

    200 W Arbor Dr # 8765, 
    San Diego, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Leslie Powell is a Nurse Practitioner in San Diego, California. Ms. Powell is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top area of expertise is Vitamin B12 Deficiency.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Regents Of The University Of California

    200 W Arbor Dr, 
    San Diego, CA 
     (2.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Kane is a Urologist in San Diego, California. Dr. Kane is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Urothelial Cancer, Vasectomy, and Nephrectomy.

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

    Visiting MD Inc

    2934 Ingelow St, 
    San Diego, CA 
     (3.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Kaufer is a primary care provider, practicing in Internal Medicine in San Diego, California. Dr. Kaufer is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Cerebral Palsy, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Glucocorticoid-Remediable Aldosteronism.

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

    Diamond Neighborhoods Family Health Center

    4725 Market St, 
    San Diego, CA 
     (4.0 miles away)
    Languages Spoken:
    English

    Bahghi Keflezighi is a primary care provider, practicing in Family Medicine in San Diego, California. Dr. Keflezighi is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Obesity in Children, Food Allergy, Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), and Intrauterine Device Insertion.

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

    Office

    2801 Camino Del Rio S Ste 204-1, 
    San Diego, CA 
     (4.2 miles away)
    Languages Spoken:
    English

    Sultanali Kassamali is a primary care provider, practicing in Internal Medicine in San Diego, California. Dr. Kassamali is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin D Deficiency, Delayed Growth, Zika Virus Disease, and Dementia.

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

    Troy H. Niguidula M. D. Inc.

    610 Euclid Ave Ste 201, 
    National City, CA 
     (5.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ira Braverman is a primary care provider, practicing in Internal Medicine in National City, California. Dr. Braverman 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), Ascites, Osteomyelitis in Children, and Vitamin D Deficiency.

    Experienced in Vitamin B12 Deficiency
    Cardiology
    Experienced in Vitamin B12 Deficiency
    Cardiology

    Brett A Gidney MD A Medical Corporation

    5555 Reservoir Dr Ste 112, 
    San Diego, CA 
     (7.5 miles away)
    Languages Spoken:
    English

    Richard Katz is a Cardiologist in San Diego, California. Dr. Katz is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Pediatric Myocarditis, Hypertensive Heart Disease, Mitral Valve Prolapse, and Necrosis.

    Advanced in Vitamin B12 Deficiency
    Neurology
    Advanced in Vitamin B12 Deficiency
    Neurology

    Office

    7625 Mesa College Dr Ste 200A, 
    San Diego, CA 
     (6.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ian Purcell is a Neurologist in San Diego, California. Dr. Purcell is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Benign Paroxysmal Positional Vertigo, Vertigo, Nonsyndromic Hearing Loss, and Deafness Hypogonadism Syndrome.

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

    Valderrama M.D., Inc.

    360 H St, 
    Chula Vista, CA 
     (7.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Arturo Valderrama is a primary care provider, practicing in Internal Medicine in Chula Vista, California. Dr. Valderrama is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Type B Insulin Resistance Syndrome, Abdominal Obesity Metabolic Syndrome, Mitochondrial Complex V Deficiency, and Cytochrome C Oxidase Deficiency.

    Advanced in Vitamin B12 Deficiency
    Cardiology
    Advanced in Vitamin B12 Deficiency
    Cardiology

    Office

    5555 Reservoir Dr Ste 200, 
    San Diego, CA 
     (7.5 miles away)
    Languages Spoken:
    English

    William Mann is a Cardiologist in San Diego, California. Dr. Mann is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vasculitis, Vitamin B12 Deficiency, Aortic Regurgitation, and Pediatric Myocarditis.

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

    Lucks Psychology Inc

    6367 Alvarado Ct Ste 200, 
    San Diego, CA 
     (7.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Bernard Michlin is a primary care provider, practicing in Internal Medicine in San Diego, California. Dr. Michlin is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Schizoaffective Disorder, Acquired Hemophilia, Type 2 Diabetes (T2D), Gastrostomy, and Ureteroscopy.

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

    Elaine Gertser MD

    6367 Alvarado Ct Ste 202, 
    San Diego, CA 
     (7.5 miles away)
    Languages Spoken:
    English

    Elaine Gertser is a primary care provider, practicing in Internal Medicine in San Diego, California. Dr. Gertser is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Pneumococcal Meningitis, Vitamin B12 Deficiency, Cellulitis, Gastrostomy, and Bone Marrow Aspiration.

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

    Ritchken & First Md's

    4282 Genesee Ave Ste 103, 
    San Diego, CA 
     (7.8 miles away)
    Languages Spoken:
    English

    Brian First is an Internal Medicine provider in San Diego, California. Dr. First is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Postmenopausal Osteoporosis, Osteoporosis, Maturity Onset Diabetes of the Young, and Hypothyroidism.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Marilyn S. Norton M.D. Inc.

    769 Medical Center Ct Ste 202, 
    Chula Vista, CA 
     (9.7 miles away)
    Languages Spoken:
    English

    Marilyn Norton is an Oncologist in Chula Vista, California. Dr. Norton is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Cervical Cancer, Neuroendocrine Carcinoma of the Cervix, Paget Disease of the Breast, Myelodysplastic Syndrome (MDS), and Bone Marrow Aspiration.

    Experienced in Vitamin B12 Deficiency
    Physician Assistant
    Experienced in Vitamin B12 Deficiency
    Physician Assistant

    Ian Purcell, Md, Apc

    7625 Mesa College Dr, Suite 200a, 
    San Diego, CA 
     (5.9 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English

    Touraj Yari is a Physician Assistant in San Diego, California. Mr. Yari has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top area of expertise is Vitamin B12 Deficiency.

    Showing 1-20 of 72

    Last Updated: 02/22/2026

    When should I see a Vitamin B12 Deficiency doctor near San Diego, 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 San Diego, 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 San Diego, 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 San Diego, 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 San Diego, 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 San Diego, 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 San Diego, 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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