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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

Save doctors for later
Sign Up
Not sure about your diagnosis?
Check Your Symptoms
Already have a doctor?
Find A Second Opinion

MediFind found 214 doctor with experience in Vitamin B12 Deficiency near lindenhurst, NY. Of these, 185 are Experienced, 27 are Advanced and 2 are Distinguished.

Location
LocationClose
214 providers found
    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 
     (4.4 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.

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

    Office

    100 Veterans Blvd Ste 2, 
    Massapequa, NY 
     (4.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Stephen Sisselman is a primary care provider, practicing in Internal Medicine in Massapequa, New York. Dr. Sisselman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, High Cholesterol, Familial Dilated Cardiomyopathy, and Nasal Flaring. Dr. Sisselman is currently accepting new patients.

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

    Island Primary Medical Care Associates PC

    4625 Merrick Rd, 
    Massapequa, NY 
     (4.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anil Maheshwari is a primary care provider, practicing in Internal Medicine in Massapequa, New York. Dr. Maheshwari is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Sepsis, Colonoscopy, and Gastrostomy. Dr. Maheshwari is currently accepting new patients.

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

    Northwell Health Physician Partners Internal Medicine At Wantagh

    2857 Jerusalem Avenue, 
    Wantagh, NY 
     (7.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Eric Last is a primary care provider, practicing in Internal Medicine in Wantagh, New York. Dr. Last is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension. Dr. Last is board certified in American Board Of Internal Medicine. Dr. Last is currently accepting new patients.

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

    Mary Mattheos Physician PC

    350 W Montauk Hwy, 
    Lindenhurst, NY 
     (0.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Panagiota Mattheos is a primary care provider, practicing in Internal Medicine in Lindenhurst, New York. Dr. Mattheos is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Vitamin B12 Deficiency, Subacute Combined Degeneration, Hypertension, and Familial Hypertension.

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

    Babylon Medical Practice PC

    350 W Main St, 
    Babylon, NY 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Howard Hertz is a primary care provider, practicing in Internal Medicine in Babylon, New York. Dr. Hertz is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 47 other conditions, according to our data. His clinical expertise encompasses Middle East Respiratory Syndrome (MERS), Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

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

    Babylon Medical Practice PC

    350 W Main St, 
    Babylon, NY 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jared Hertz is a primary care provider, practicing in Internal Medicine in Babylon, New York. Dr. Hertz is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Middle East Respiratory Syndrome (MERS), Obesity, Colorectal Cancer, Gastrostomy, and Colonoscopy.

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

    Office

    373 Broadway, 
    Amityville, NY 
     (2.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Andrew Serpe is a primary care provider, practicing in Internal Medicine in Amityville, New York. Dr. Serpe 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 Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Vitamin B12 Deficiency, and Subacute Combined Degeneration.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    West Islip Medical Care

    510 Montauk Hwy Ste D, 
    West Islip, NY 
     (4.3 miles away)
    Languages Spoken:
    English

    Anna Gorski-Piaszczyk is a primary care provider, practicing in Internal Medicine in West Islip, New York. Dr. Gorski-Piaszczyk is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin B12 Deficiency, Type 1 Diabetes (T1D), Familial Combined Hyperlipidemia, and Xanthoma.

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

    Office

    Massapequa, NY 
     (4.6 miles away)
    Languages Spoken:
    English

    Richard Bebirian is a primary care provider, practicing in Family Medicine in Massapequa, New York. Dr. Bebirian is rated as an Advanced 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 Vitamin B12 Deficiency, Subacute Combined Degeneration, Cirrhosis, and Familial Combined Hyperlipidemia.

    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 
     (5.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    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. She is also highly rated in 20 other conditions, according to our data. Her clinical expertise encompasses High Cholesterol, Hypothyroidism, COVID-19, and Multisystem Inflammatory Syndrome in Children (MIS-C). Dr. Digiovanna is currently accepting new patients.

    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 
     (7.3 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
    Holistic Medicine
    Experienced in Vitamin B12 Deficiency
    Holistic Medicine
    Referral may be required

    Norman Haywood D.O. P. C.

    224 N Wellwood Ave, 
    Lindenhurst, NY 
     (0.2 miles away)
    Languages Spoken:
    English

    Norman Haywood is a Holistic Medicine provider practicing medicine in Lindenhurst, New York. Mr. Haywood is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Vitamin B12 Deficiency.

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

    Keith Hoerning Doctors Care

    290 Sunrise Hwy, 
    Lindenhurst, NY 
     (1.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Keith Hoerning is a primary care provider, practicing in Family Medicine in Lindenhurst, New York. Dr. Hoerning is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Enlarged Liver, Hypertensive Heart Disease, Pediatric Myocarditis, Gastrostomy, and Endoscopy.

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

    Doctors Care

    290 Sunrise Hwy, 
    Lindenhurst, NY 
     (1.5 miles away)
    Languages Spoken:
    English

    Heather Ribaudo is a Physician Assistant practicing medicine in Lindenhurst, New York. Ribaudo, PA is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency.

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

    Office

    373 Sunrise Hwy, 
    West Babylon, NY 
     (1.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Robert Sica is a primary care provider, practicing in Family Medicine in West Babylon, New York. Dr. Sica is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

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

    County Of Suffolk

    1080 Sunrise Hwy, 
    Amityville, NY 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vasanthi Arumugam is an Infectious Disease provider practicing medicine in Amityville, New York. Dr. Arumugam is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Myelitis, HIV/AIDS, AIDS Dementia Complex, and AIDS Dysmorphic Syndrome.

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

    Piya Ghoshal MD PC

    116 Broadway Ste 6, 
    Amityville, NY 
     (2.2 miles away)
    Languages Spoken:
    English

    Piya Ghoshal is a primary care provider, practicing in Internal Medicine in Amityville, New York. Dr. Ghoshal is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Iron Deficiency Anemia, Glossitis, Pernicious Anemia, Gastrostomy, and Pacemaker Implantation.

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

    Family Medical Practice Of Long Island PC

    221 Broadway Ste 207, 
    Amityville, NY 
     (2.2 miles away)
    Languages Spoken:
    English

    Robert Polofsky is a primary care provider, practicing in Family Medicine in Amityville, New York. Dr. Polofsky is rated as an Experienced 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 Anemia, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

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

    All Family Medicine PC

    365 Broadway Ste 1, 
    Amityville, NY 
     (2.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Danita Ionescu is a primary care provider, practicing in Family Medicine in Amityville, New York. Dr. Ionescu is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Heart Murmurs, Anemia, Peripheral Neuropathy, and Nonsyndromic Hearing Loss.

    Showing 1-20 of 214

    Last Updated: 09/26/2026

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

    Read more about our Content Policy.