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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 225 doctor with experience in Vitamin B12 Deficiency near brentwood, NY. Of these, 193 are Experienced, 30 are Advanced and 2 are Distinguished.

Location
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225 providers found
    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Ocean Family Medicine LLC

    158 E Main St, 
    Bay Shore, NY 
     (4.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    John Muratori is a primary care provider, practicing in Family Medicine in Bay Shore, New York. Dr. Muratori is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, Blood Clots, and Hip Replacement. Dr. Muratori is currently accepting new patients.

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

    St. Catherine Of Siena Diagnostic Imaging

    500 Commack Rd, 
    Commack, NY 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Grace Reina is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Reina is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Obesity in Children, Childhood Iron Deficiency Anemia, and Infant Hyperglycemia. Dr. Reina is currently accepting new patients.

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

    Dr. Anthony J. Rizzo

    200 Howells Rd, 
    Bay Shore, NY 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Anthony Rizzo is a primary care provider, practicing in Family Medicine in Bay Shore, New York. Dr. Rizzo is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 138 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Gastrostomy, and Pacemaker Implantation. Dr. Rizzo is currently accepting new patients.

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

    Vikas Desai MD PC

    45 E Main St, 
    East Islip,, NY 
     (4.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Vikas Desai is a primary care provider, practicing in Family Medicine in East Islip,, New York. Dr. Desai is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 66 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Maturity Onset Diabetes of the Young, Hypertension, and Familial Hypertension. Dr. Desai is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Northwell Health Imbert Cancer Center

    440 East Main Street, 
    Bay Shore, NY 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kenneth Gold is a Hematologist and an Oncologist practicing medicine in Bay Shore, New York. Dr. Gold is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Pleuropulmonary Blastoma, Lung Cancer, and Inflammatory Breast Cancer. Dr. Gold is board certified in American Board Of Internal Medicine/Medical Oncology, American Board Of Internal Medicine, and American Board Of Internal Medicine/Hematology. Dr. Gold is currently accepting new patients.

    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Referral required
    6080 Jericho Turnpike, 
    Commack, NY 
     (5.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Edward Condon is an Endocrinologist practicing medicine in Commack, New York. Dr. Condon is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Polycystic Ovary Syndrome, Obesity in Children, and Infertility. Dr. Condon is currently accepting new patients.

    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Referral required

    Endocrine Associates Of Long Island PC

    732 Smithtown Byp Ste 103, 
    Smithtown, NY 
     (5.3 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English
    Accepting New Patients

    David Kugler is an Endocrinologist practicing medicine in Smithtown, New York. He has been practicing medicine for over 44 years. Dr. Kugler is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Type 2 Diabetes (T2D), Vitamin B12 Deficiency, and Familial Hypocalciuric Hypercalcemia Type 1. Dr. Kugler is currently accepting new patients.

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

    Office

    1500 Ocean Ave Ste C, 
    Bohemia, NY 
     (5.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Sareth Pinnamaneni is a primary care provider, practicing in Family Medicine in Bohemia, New York. Dr. Pinnamaneni is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Lyme Disease, Hypothyroidism, Glossitis, and Pernicious Anemia. Dr. Pinnamaneni is currently accepting new patients.

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

    Abu Muhammad M. Haque M.D.P.C.

    1249 Montauk Hwy, 
    West Islip, NY 
     (6.3 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Abu Haque is a primary care provider, practicing in Internal Medicine in West Islip, New York. Dr. Haque is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Acute Kidney Failure, Glucocorticoid-Remediable Aldosteronism, Hypertension, Gastrostomy, and Endoscopy. Dr. Haque is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Gastroenterology
    Advanced in Vitamin B12 Deficiency
    Gastroenterology
    Referral may be required

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (6.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Augustus Mantia is a Gastroenterologist practicing medicine in Nesconset, New York. Dr. Mantia is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Vitamin D Deficiency, Vitamin B12 Deficiency, Ureteroscopy, and Endoscopy. Dr. Mantia is currently accepting new patients.

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

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (8.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Glenn Rosett is a primary care provider, practicing in Internal Medicine in Greenlawn, New York. Dr. Rosett is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Bronchitis, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism. Dr. Rosett is currently accepting new patients.

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

    VR Leddy M.D. PC

    160 4th St, 
    Brentwood, NY 
     (0.1 miles away)
    Languages Spoken:
    English, Spanish
    Accepting New Patients
    Offers Telehealth

    Vincent Leddy is a primary care provider, practicing in Internal Medicine in Brentwood, New York. Dr. Leddy is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Asthma, Obesity, Vitamin D Deficiency, and Gastroesophageal Reflux Disease (GERD). Dr. Leddy is currently accepting new patients.

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

    Brighter Dental Implant PC.

    820 Suffolk Ave, 
    Brentwood, NY 
     (0.2 miles away)
    Languages Spoken:
    English, Hindi, Spanish
    Accepting New Patients

    Priti Patel is a primary care provider, practicing in Family Medicine in Brentwood, New York. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Diabetic Nephropathy, Food Allergy, Obesity in Children, and Cirrhosis. Dr. Patel is currently accepting new patients.

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

    Office

    45 Mall Dr, 
    Commack, NY 
     (2.8 miles away)
    Languages Spoken:
    English

    Atm Yousuf is a primary care provider, practicing in Internal Medicine in Commack, New York. Dr. Yousuf is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Typhoid Fever, Infant Hyperglycemia, Vitamin D Deficiency, and Familial Hypertriglyceridemia.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Office

    521 Route 111 Ste 306, 
    Hauppauge, NY 
     (3.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cecily Anto is a Neurologist practicing medicine in Hauppauge, New York. Dr. Anto is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Cerebellar Degeneration, Memory Loss, Migraine, and Transient Ischemic Attack (TIA).

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

    City Medical Of Upper East Side PLLC

    812 Wheeler Rd, 
    Hauppauge, NY 
     (3.6 miles away)
    Languages Spoken:
    English

    Charles Timson is a primary care provider, practicing in Family Medicine in Hauppauge, New York. Dr. Timson is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Asthma in Children, Asthma, Empyema, and Sinusitis.

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

    Brightwaters Internal Medicine PLLC

    200 Howells Rd, 
    Bay Shore, NY 
     (3.7 miles away)
    Languages Spoken:
    English

    Mark Siegelheim is a primary care provider, practicing in Internal Medicine in Bay Shore, New York. Dr. Siegelheim is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, High Potassium Level, and Heart Murmurs.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    South Shore Neurologic Associates P.C.

    712 Main St, 
    Islip, NY 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Myassar Zarif is a Neurologist practicing medicine in Islip, New York. Dr. Zarif is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Multiple Sclerosis (MS), Relapsing Multiple Sclerosis (RMS), Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease, and Chronic Inflammatory Demyelinating Polyneuropathy.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    South Shore Neurologic Associates P.C.

    712 Main St, 
    Islip, NY 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Norman Pflaster is a Neurologist practicing medicine in Islip, New York. Dr. Pflaster is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 21 other conditions, according to our data. His clinical expertise encompasses Cerebellar Degeneration, Seizures, Memory Loss, and Chronic Inflammatory Demyelinating Polyneuropathy.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    South Shore Neurologic Associates P.C.

    712 Main St, 
    Islip, NY 
     (4.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mark Gudesblatt is a Neurologist practicing medicine in Islip, New York. Dr. Gudesblatt is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 45 other conditions, according to our data. His clinical expertise encompasses Multiple Sclerosis (MS), Relapsing Multiple Sclerosis (RMS), Stiff Person Syndrome, and Chronic Inflammatory Demyelinating Polyneuropathy.

    Showing 1-20 of 225

    Last Updated: 09/26/2026

    When should I see a Vitamin B12 Deficiency doctor near brentwood, 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 brentwood, 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 brentwood, 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 brentwood, 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 brentwood, 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 brentwood, 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 brentwood, 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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