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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 284 doctor with experience in Vitamin B12 Deficiency near melville, NY. Of these, 246 are Experienced, 36 are Advanced and 2 are Distinguished.

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284 providers found
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Northwell Health Physician Partners Medical Oncology At Woodbury

    40 Crossways Park Drive, Suite 103, 
    Woodbury, NY 
     (3.9 miles away)
    Languages Spoken:
    English, Cantonese
    Accepting New Patients
    Offers Telehealth

    Hon Chan is a Hematologist and an Oncologist practicing medicine in Woodbury, New York. Dr. Chan is rated as an Advanced 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 Vitamin B12 Deficiency, Hemangioma Thrombocytopenia Syndrome, Thrombocytopenia, and Immune Thrombocytopenic Purpura (ITP). Dr. Chan is currently accepting new patients.

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

    Northwell Health Physician Partners Medical Oncology At Woodbury

    40 Crossways Park Drive, Suite 103, 
    Woodbury, NY 
     (3.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Nancy Sun is a Hematologist and an Oncologist practicing medicine in Woodbury, New York. Dr. Sun is rated as an Advanced 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 Hemangioma Thrombocytopenia Syndrome, RUNX1 Familial Platelet Disorder, Immune Thrombocytopenic Purpura (ITP), and Adult Immune Thrombocytopenia. Dr. Sun is board certified in American Board Of Internal Medicine/Medical Oncology and American Board Of Internal Medicine/Hematology. Dr. Sun is currently accepting new patients.

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

    Office

    900 Walt Whitman Rd Ste 205, 
    Melville, NY 
     (0.5 miles away)
    Languages Spoken:
    English

    Craig Grobman is a primary care provider, practicing in Internal Medicine in Melville, New York. Dr. Grobman is rated as an Advanced 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 Anemia, Cellulitis, Gangrene, Pacemaker Implantation, and Gastrostomy.

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

    Endocrinology Diabetes & Metabolism NY PC

    1097 Old Country Rd Ste 102, 
    Plainview, NY 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sonia Talwar is an Endocrinologist practicing medicine in Plainview, New York. Dr. Talwar is rated as an Advanced 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 Obesity in Children, Hypothyroidism, Type 2 Diabetes (T2D), and Vitamin D Deficiency. Dr. Talwar is currently accepting new patients.

    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 
     (3.1 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. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    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 
     (3.3 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. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Infant Hyperglycemia, Bronchitis, High Cholesterol, and Glucocorticoid-Remediable Aldosteronism. Dr. Dilorenzo is board certified in American Board Of Internal Medicine.

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

    United Presbyterian Home

    378 Syosset Woodbury Rd, 
    Woodbury, NY 
     (3.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Mohammad Hussain is a primary care provider, practicing in Internal Medicine in Woodbury, New York. Dr. Hussain is rated as an Advanced 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 Sitosterolemia, High Cholesterol, Vitamin B12 Deficiency, Gastrostomy, and Colonoscopy.

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

    Northwell Health Physician Partners Medical Oncology At Woodbury

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

    Bruce Kappel is a Hematologist and an Oncologist practicing medicine in Woodbury, New York. He has been practicing medicine for over 44 years. Dr. Kappel is rated as an Experienced 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 Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, Adult Immune Thrombocytopenia, and Immune Thrombocytopenic Purpura (ITP). Dr. Kappel is board certified in American Board Of Internal Medicine/Medical Oncology, American Board Of Internal Medicine, and American Board Of Internal Medicine/Hematology. Dr. Kappel is currently accepting new patients.

    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 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    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. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Vitamin B12 Deficiency, Maturity Onset Diabetes of the Young, High Cholesterol, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).

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

    Northwell Health Cancer Institute At Huntington

    270 Pulaski Road, Suite D, 
    Greenlawn, NY 
     (4.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sadia Riaz is a Hematologist Oncology specialist and an Oncologist practicing medicine in Greenlawn, New York. Dr. Riaz is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 31 other conditions, according to our data. Her clinical expertise encompasses Non-Hodgkin Lymphoma, Anemia, Gastric Lymphoma, Thrombotic Thrombocytopenic Purpura, and Bone Marrow Aspiration. Dr. Riaz is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency
    400 South Oyster Bay Road, Suite 205, 
    Hicksville, NY 
     (4.7 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. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Folate-Deficiency Anemia, Autosomal Dominant Hypocalcemia, and Vitamin B12 Deficiency.

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

    Mount Sinai Doctors Laboratory

    5 Cuba Hill Rd, 
    Greenlawn, NY 
     (5.5 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.

    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Referral required
    6080 Jericho Turnpike, 
    Commack, NY 
     (6.6 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.

    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 
     (7.0 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
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

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

    1249 Montauk Hwy, 
    West Islip, NY 
     (9.3 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.

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

    Good Will Medical P.C.

    80 Marcus Dr, 
    Melville, NY 
     (2.4 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Mario Haro is a primary care provider, practicing in Internal Medicine in Melville, New York. He has been practicing medicine for over 44 years. Dr. Haro is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Infant Hyperglycemia, Tietz Syndrome, Costochondritis, and High Cholesterol.

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

    Angel Garcia JR DPT

    33 Walt Whitman Rd Ste 240, 
    Huntington Station, NY 
     (3.1 miles away)
    Languages Spoken:
    English

    Leslie Cespedes is a primary care provider, practicing in Internal Medicine in Huntington Station, New York. Dr. Cespedes is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Vitamin D Deficiency.

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

    Cardiac Care P.C.

    875 Old Country Rd Ste 102, 
    Plainview, NY 
     (3.1 miles away)
    Languages Spoken:
    English

    Melanie Maquine is a primary care provider, practicing in Internal Medicine in Plainview, New York. Dr. Maquine is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Transcobalamin Deficiency, Vitamin B12 Deficiency, Subacute Combined Degeneration, and Xanthoma.

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

    Gastrointestinal Associates P.C.

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

    Doris Berland is a primary care provider, practicing in Internal Medicine in Plainview, New York. Dr. Berland is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Folate Deficiency, Vitamin B12 Deficiency Anemia, Multiple Carboxylase Deficiency, and Subacute Combined Degeneration.

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

    Gastrointestinal Associates P.C.

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

    Charles Farber is a Gastroenterologist practicing medicine in Plainview, New York. Dr. Farber is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Diverticular Disease, Indigestion, Hiatal Hernia, and Congenital Diaphragmatic Hernia.

    Showing 1-20 of 284

    Last Updated: 09/26/2026

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