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    Last Updated: 01/09/2026

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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
      Gastroenterology
      Advanced in Vitamin B12 Deficiency
      Gastroenterology
      200 W Arbor Dr, 
      San Diego, CA 
       (2.7 miles away)
      Languages Spoken:
      English

      Robert Battat is a Gastroenterologist in San Diego, California. Dr. Battat is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Bile Acid Malabsorption, Viral Gastroenteritis, Crohn's Disease, Endoscopy, and Colonoscopy.

      Advanced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Advanced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology

      Regents Of The University Of California

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

      Jessica Sullivan is a Hematologist Oncology specialist and a Hematologist in San Diego, California. Dr. Sullivan is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, and Angiosarcoma.

      Christopher J. Kane
      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 an 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 Prostate Cancer, Familial Prostate Cancer, Renal Cell Carcinoma (RCC), Prostatectomy, and Nephrectomy.

      Learn about our expert tiers
      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
      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
      Endocrinology
      Experienced in Vitamin B12 Deficiency
      Endocrinology

      Internal Medicine Associates Medical Group Of San Diego, Inc.

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

      Paul Speckart is an Endocrinologist 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, Male Pseudohermaphroditism with Gynecomastia, and Eunuchoidism Familial Hypogonadotropic.

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

      Scripps Health

      501 Washington St, Suite 600, 
      San Diego, CA 
       (2.3 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 Folate Deficiency, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Subacute Combined Degeneration.

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

      Family Health Centers Of San Diego Inc

      3514 30th St, 
      San Diego, CA 
       (2.6 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
      Nurse Practitioner
      Experienced in Vitamin B12 Deficiency
      Nurse Practitioner

      Regents Of The University Of California

      200 W Arbor Dr, 
      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
      Hematology Oncology | Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology

      Regents Of The University Of California

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

      Paul Fanta is a Hematologist Oncology specialist and a Hematologist in San Diego, California. Dr. Fanta is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Gastrointestinal Stromal Tumor, Colorectal Cancer, Pancreatic Cancer, Familial Colorectal Cancer, and Tissue Biopsy.

      Experienced in Vitamin B12 Deficiency
      Physician Assistant
      Experienced in Vitamin B12 Deficiency
      Physician Assistant
      823 Gateway Center Way, 
      San Diego, CA 
       (2.8 miles away)
      Languages Spoken:
      English

      Patricia Castillo is a Physician Assistant in San Diego, California. Ms. Castillo 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
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      San Diego, CA 
       (4.2 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      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 Hypertension. Dr. Kaufer is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Geriatrics | Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Geriatrics | Internal Medicine
      502 Euclid Ave, Suite 200, 
      National City, CA 
       (5.0 miles away)
      Languages Spoken:
      English

      Aboo Nasar is a primary care provider, practicing in Geriatrics and Internal Medicine in National City, California. Dr. Nasar is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Cellulitis.

      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 | Otolaryngology
      Advanced in Vitamin B12 Deficiency
      Neurology | Otolaryngology

      Ian Purcell, Md, Apc

      7625 Mesa College Dr, Suite 200a, 
      San Diego, CA 
       (5.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Ian Purcell is a Neurologist and an Otolaryngologist 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
      6367 Alvarado Ct, Suite 200, 
      San Diego, CA 
       (7.2 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
      6367 Alvarado Ct, Suite 202, 
      San Diego, CA 
       (7.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      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
      Endocrinology
      Advanced in Vitamin B12 Deficiency
      Endocrinology

      Ritchken And First Medical Group

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

      Brian First is an Endocrinologist 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 Osteoporosis, Postmenopausal Osteoporosis, Maturity Onset Diabetes of the Young, and Hypothyroidism.

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

      Showing 1-20 of 72

      Last Updated: 01/09/2026

      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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