The 20 Best Vitamin B12 Deficiency Doctors Near Me in Plainview, NY

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 330 doctor with experience in Vitamin B12 Deficiency near Plainview, NY. Of these, 286 are Experienced, 40 are Advanced and 4 are Distinguished.

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330 providers found
    Hon C. Chan
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology

    Northwell Health Physician Partners Medical Oncology At Woodbury

    40 Crossways Park Drive, Suite 103, 
    Woodbury, NY 
     (2.6 miles away)
    Languages Spoken:
    English, Cantonese

    Hon Chan is a Hematologist and an Oncologist in Woodbury, New York. Dr. Chan is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Drug-Induced Thrombocytopenia, Glossitis, Pernicious Anemia, and Vitamin B12 Deficiency.

    Nancy N. Sun
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology

    Northwell Health Physician Partners Medical Oncology At Woodbury

    40 Crossways Park Drive, Suite 103, 
    Woodbury, NY 
     (2.6 miles away)
    Languages Spoken:
    English

    Nancy Sun is a Hematologist and an Oncologist in Woodbury, New York. Dr. Sun is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Hemangioma Thrombocytopenia Syndrome, Paris-Trousseau Thrombocytopenia, RUNX1 Familial Platelet Disorder, and Immune Thrombocytopenic Purpura (ITP).

    Advanced in Vitamin B12 Deficiency
    Hospital Medicine
    Advanced in Vitamin B12 Deficiency
    Hospital Medicine
    1163 Old Country Road, 
    Plainview, NY 
     (0.2 miles away)
    Languages Spoken:
    English

    Dorit Ben is a primary care provider, practicing in Hospital Medicine in Plainview, New York. Dr. Ben is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Sepsis, Pneumonia, Atrioventricular Septal Defect, Gastrostomy, and Ureteroscopy.

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

    Endocrinology Diabetes & Metabolism NY PC

    1097 Old Country Rd Ste 102, 
    Plainview, NY 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sonia Talwar is an Endocrinologist in Plainview, New York. Dr. Talwar is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Obesity in Children, Hypothyroidism, Type 2 Diabetes (T2D), and Vitamin D Deficiency.

    Robert J. Alexander
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Northwell Health Physician Partners At Bethpage

    4072 Hempstead Turnpike, 
    Bethpage, NY 
     (2.5 miles away)
    Languages Spoken:
    English

    Robert Alexander is a primary care provider, practicing in Internal Medicine in Bethpage, New York. Dr. Alexander is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are High Cholesterol, Sitosterolemia, Vitamin D Deficiency, and Maturity Onset Diabetes of the Young.

    Bruce I. Kappel
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Northwell Health Physician Partners Medical Oncology At Woodbury

    40 Crossways Park Drive, Suite 103, 
    Woodbury, NY 
     (2.6 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Bruce Kappel is a Hematologist and an Oncologist in Woodbury, New York. Dr. Kappel has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, Adult Immune Thrombocytopenia, and Immune Thrombocytopenic Purpura (ITP).

    Ian H. Newmark
    Experienced in Vitamin B12 Deficiency
    Intensive Care Medicine | Pulmonary Medicine
    Experienced in Vitamin B12 Deficiency
    Intensive Care Medicine | Pulmonary Medicine

    Northwell Health Physician Partners At Syosset

    8 Greenfield Road, 
    Syosset, NY 
     (3.2 miles away)
    Languages Spoken:
    English

    Ian Newmark is an Intensive Care Medicine specialist and a Pulmonary Medicine provider in Syosset, New York. Dr. Newmark is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Asthma in Children, Asthma, Grass Allergy, and Empyema.

    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    6080 Jericho Turnpike, 
    Commack, NY 
     (9.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Edward Condon is an Endocrinologist in Commack, New York. Dr. Condon is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hashimoto Thyroiditis, Polycystic Ovary Syndrome, Obesity in Children, and Infertility.

    Experienced in Vitamin B12 Deficiency
    Hospital Medicine
    Experienced in Vitamin B12 Deficiency
    Hospital Medicine
    400 South Oyster Bay Road, Suite 300, 
    Hicksville, NY 
     (1.9 miles away)
    Languages Spoken:
    English

    Kathie Beekman is a primary care provider, practicing in Hospital Medicine in Hicksville, New York. Dr. Beekman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Heart Murmurs, Vasoconstriction, Parainfluenza, and Parainfluenza Virus Type 3.

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

    Gastrointestinal Associates P.C.

    146A Manetto Hill Rd Ste 205, 
    Plainview, NY 
     (0.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jane Serio is a primary care provider, practicing in Internal Medicine in Plainview, New York. Dr. Serio is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin D Deficiency, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

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

    Dale E. Saglimbene D.O. PC

    549 Old Country Rd, 
    Plainview, NY 
     (1.6 miles away)
    Languages Spoken:
    English

    Dale Saglimbene is a primary care provider, practicing in Family Medicine in Plainview, New York. Dr. Saglimbene is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin B12 Deficiency, Maturity Onset Diabetes of the Young, High Cholesterol, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).

    Randolph P. Dilorenzo
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Northwell Health Physician Partners Medicine At Woodbury, Froehlich Farm

    155 Froehlich Farm Boulevard, 
    Woodbury, NY 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Randolph Dilorenzo is a primary care provider, practicing in Internal Medicine in Woodbury, New York. Dr. Dilorenzo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Infant Hyperglycemia, Bronchitis, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency
    400 South Oyster Bay Road, Suite 205, 
    Hicksville, NY 
     (1.9 miles away)
    Languages Spoken:
    English, Greek, Spanish

    Aristotelis Sakellaridis is a primary care provider, practicing in Internal Medicine in Hicksville, New York. Dr. Sakellaridis is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hepatitis, Folate-Deficiency Anemia, Autosomal Dominant Hypocalcemia, and Vitamin B12 Deficiency.

    Michael J. Carvo
    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    Northwell Health Physician Partners Cardiology And Internal Medicine At Seaford

    850 Hicksville Road, Suite 104, 
    Seaford, NY 
     (4.9 miles away)
    Languages Spoken:
    English

    Michael Carvo is a primary care provider, practicing in Family Medicine in Seaford, New York. Dr. Carvo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol.

    Geri E. Digiovanna
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Internal Medicine

    Northwell Health Physician Partners Internal Medicine At Seaford

    850 Hicksville Road, Suite 110, 
    Seaford, NY 
     (4.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Geri Digiovanna is a primary care provider, practicing in Family Medicine and Internal Medicine in Seaford, New York. Dr. Digiovanna is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are High Cholesterol, Hypothyroidism, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C).

    Sadia Riaz
    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    Northwell Health Cancer Institute At Huntington

    270 Pulaski Road, Suite D, 
    Greenlawn, NY 
     (6.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sadia Riaz is a Hematologist in Greenlawn, New York. Dr. Riaz is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Non-Hodgkin Lymphoma, Anemia, Gastric Lymphoma, Thrombotic Thrombocytopenic Purpura, and Bone Marrow Aspiration.

    Leonard B. Stein
    Experienced in Vitamin B12 Deficiency
    Gastroenterology
    Experienced in Vitamin B12 Deficiency
    Gastroenterology

    Northwell Health Gastroenterology Associates At Uniondale

    106 Charles Lindbergh Boulevard, Suite B, 
    Uniondale, NY 
     (7.9 miles away)
    Languages Spoken:
    English

    Leonard Stein is a Gastroenterologist in Uniondale, New York. Dr. Stein is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hepatitis, Autoimmune Hepatitis, Hepatitis C, and Visceromegaly.

    Richard B. Rubin
    Experienced in Vitamin B12 Deficiency
    Gastroenterology
    Experienced in Vitamin B12 Deficiency
    Gastroenterology

    Northwell Health Physician Partners Medicine Specialties At Bellmore

    1872 Bellmore Avenue, 
    Bellmore, NY 
     (8.0 miles away)
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Richard Rubin is a Gastroenterologist in Bellmore, New York. Dr. Rubin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hemorrhagic Proctocolitis, Hiatal Hernia, Congenital Diaphragmatic Hernia, Colonoscopy, and Endoscopy.

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

    Advanced Internal Medicine Group PC

    2200 Northern Blvd Ste 133, 
    Greenvale, NY 
     (8.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Leon Schwechter is a primary care provider, practicing in Internal Medicine in Greenvale, New York. Dr. Schwechter is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency, Pernicious Anemia, Glossitis, Endoscopy, and Pacemaker Implantation.

    Brij M. Sharma
    Experienced in Vitamin B12 Deficiency
    Pulmonary Medicine
    Experienced in Vitamin B12 Deficiency
    Pulmonary Medicine
    216 Willis Avenue, 
    Roslyn Heights, NY 
     (9.2 miles away)
    Languages Spoken:
    English, Hindi, Punjabi
    Offers Telehealth

    Brij Sharma is a Pulmonary Medicine provider in Roslyn Heights, New York. Dr. Sharma is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency, Chronic Cough, Vertigo, and Asthma in Children.

    Showing 1-20 of 330

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Plainview, NY?

    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 Plainview, NY?

    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 Plainview, NY?

    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 Plainview, NY?

    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 Plainview, NY?

    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 Plainview, NY?

    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 Plainview, NY?

    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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