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    Last Updated: 01/09/2026

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    MediFind found 277 doctor with experience in Vitamin B12 Deficiency near Massapequa, NY. Of these, 236 are Experienced, 39 are Advanced and 2 are Distinguished.

    Location
    LocationClose
    277 providers found
      Eric C. Last
      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 
       (2.9 miles away)
      Languages Spoken:
      English
      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. His top areas of expertise are High Cholesterol, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

      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 
       (1.9 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 Hypertension, Familial 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 
       (1.9 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, Multisystem Inflammatory Syndrome in Children (MIS-C), and COVID-19.

      Learn about our expert tiers
      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 
       (3.1 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.

      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 
       (4.3 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.

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

      Office

      100 Veterans Blvd Ste 1, 
      Massapequa,, NY 
       (1.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Michael Sacher is an Internal Medicine provider in Massapequa,, New York. Dr. Sacher is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Heart Murmurs, Atrial Tachycardia, Paroxysmal Supraventricular Tachycardia (PSVT), and His Bundle Tachycardia.

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

      Northwell Health Physician Partners Cardiology And Internal Medicine At Seaford

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

      Maroof Ali is a primary care provider, practicing in Internal Medicine in Seaford, New York. Dr. Ali is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Obesity, Obesity in Children, High Cholesterol, and Hypertension.

      Experienced in Vitamin B12 Deficiency
      Family Medicine | Holistic Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine | Holistic Medicine
      4230 Hempstead Turnpike, Suite 200, 
      Bethpage, NY 
       (3.1 miles away)
      Languages Spoken:
      English

      Lawrence Crafa is a Holistic Medicine provider in Bethpage, New York. Mr. Crafa is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin D Deficiency, Vitamin B12 Deficiency, Muscle Spasms, and Lung Nodules.

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

      Primary Urgent Medical PC

      791 Wellwood Ave, 
      Lindenhurst, NY 
       (4.8 miles away)
      Languages Spoken:
      English

      Priti Patel is a primary care provider, practicing in Family Medicine in Lindenhurst, New York. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Diabetic Nephropathy, Food Allergy, Obesity in Children, and Cirrhosis.

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

      Primary Urgent Medical PC

      791 Wellwood Ave, 
      Lindenhurst,, NY 
       (4.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Akbar Khan is a Family Medicine provider in Lindenhurst,, New York. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency and Schizoaffective Disorder.

      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 
       (9.0 miles away)
      Languages Spoken:
      English, Cantonese
      Offers Telehealth

      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 Vitamin B12 Deficiency, Hemangioma Thrombocytopenia Syndrome, Thrombocytopenia, and Immune Thrombocytopenic Purpura (ITP).

      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 
       (9.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      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, RUNX1 Familial Platelet Disorder, Adult Immune Thrombocytopenia, and Immune Thrombocytopenic Purpura (ITP).

      Advanced in Vitamin B12 Deficiency
      Family Medicine
      Advanced in Vitamin B12 Deficiency
      Family Medicine
      Massapequa, NY 
       (1.2 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. His top areas of expertise are Vitamin B12 Deficiency, Subacute Combined Degeneration, Cirrhosis, and Familial Combined Hyperlipidemia.

      Advanced in Vitamin B12 Deficiency
      Family Medicine | Internal Medicine
      Advanced in Vitamin B12 Deficiency
      Family Medicine | Internal Medicine

      Island Family Medical Practice PC

      848 Hicksville Rd, 
      North Massapequa, NY 
       (1.7 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Troy Fabregas is a primary care provider, practicing in Family Medicine and Internal Medicine in North Massapequa, New York. Dr. Fabregas is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency, Rabson-Mendenhall Syndrome, Tension Headache, and Hypertension.

      Advanced in Vitamin B12 Deficiency
      Family Medicine
      Advanced in Vitamin B12 Deficiency
      Family Medicine
      373 Broadway, 
      Amityville, NY 
       (3.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Andrew Serpe is a primary care provider, practicing in Family Medicine in Amityville, New York. Dr. Serpe is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Vitamin B12 Deficiency, and Subacute Combined Degeneration.

      Advanced in Vitamin B12 Deficiency
      Internal Medicine
      Advanced in Vitamin B12 Deficiency
      Internal Medicine
      317 Broadway, Suite B, 
      Amityville, NY 
       (3.0 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Mohammad Hussain is a primary care provider, practicing in Internal Medicine in Amityville, New York. Dr. Hussain is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Sitosterolemia, Vitamin B12 Deficiency, Peptic Ulcer, Gastrostomy, and Colonoscopy.

      Advanced in Vitamin B12 Deficiency
      Family Medicine
      Advanced in Vitamin B12 Deficiency
      Family Medicine
      15 Grumman Rd W, Suite 1400, 
      Bethpage, NY 
       (4.4 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Charles Coffey is a primary care provider, practicing in Family Medicine in Bethpage, New York. Dr. Coffey is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Glossitis, Pernicious Anemia, Vitamin B12 Deficiency, and Cholera. Dr. Coffey is currently accepting new patients.

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

      Doctors Medical Office PLLC

      389 Merrick Ave, 
      Merrick, NY 
       (4.4 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Mark Haltrecht is a primary care provider, practicing in Family Medicine in Merrick, New York. Dr. Haltrecht is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hyperhidrosis, Pica, Cyclic Vomiting Syndrome, and Vitamin B12 Deficiency.

      Advanced in Vitamin B12 Deficiency
      Advanced in Vitamin B12 Deficiency

      Ross Hartman DPM PLLC

      400 S Oyster Bay Rd Ste 205, 
      Hicksville, NY 
       (6.2 miles away)
      Languages Spoken:
      English

      Aristotelis Sakellaridis is a primary care provider, practicing in Family 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.

      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 
       (7.5 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.

      Showing 1-20 of 277

      Last Updated: 01/09/2026

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