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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 146 doctor with experience in Vitamin B12 Deficiency near Stony Brook, NY. Of these, 132 are Experienced, 12 are Advanced and 2 are Distinguished.

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146 providers found
    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Distinguished in Vitamin B12 Deficiency
    Endocrinology

    Endocrine Associates Of Long Island PC

    732 Smithtown Byp Ste 103, 
    Smithtown, NY 
     (6.2 miles away)
    Languages Spoken:
    English

    David Kugler is an Endocrinologist practicing medicine in Smithtown, New York. 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 Milk-Alkali Syndrome.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Sound Endocrinology PLLC

    2500 Nesconset Hwy Bldg 3C, 
    Stony Brook, NY 
     (1.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Theofanis Mitsinikos is an Endocrinologist practicing medicine in Stony Brook, New York. Dr. Mitsinikos 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 Hypothyroidism, Obesity in Children, Hashimoto Thyroiditis, and Type 2 Diabetes (T2D).

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Port Jefferson Emergency Medical Care

    7 S Jersey Ave Ste 1, 
    East Setauket, NY 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Jennifer Gonzalez is a primary care provider, practicing in Geriatrics in East Setauket, New York. Dr. Gonzalez 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 Blood Clots, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

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

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (5.0 miles away)
    Languages Spoken:
    English

    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.

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

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (5.0 miles away)
    Languages Spoken:
    English

    Andrew Radzik is a primary care provider, practicing in Internal Medicine in Nesconset, New York. Dr. Radzik is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Low Sodium Level.

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

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (5.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Glenn Rosett is a primary care provider, practicing in Internal Medicine in Nesconset, 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 Familial Hypertension.

    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    North Shore Hematology Oncology Associates PC

    48 Route 25a, 
    Smithtown, NY 
     (5.2 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sanjeev Jain is a Hematologist practicing medicine in Smithtown, New York. Dr. Jain is rated as an Experienced 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 Anemia, Blood Clots, Childhood Iron Deficiency Anemia, and Lung Cancer. Dr. Jain is board certified in American Board Of IM/Hematology and American Board Of IM/Medical Oncology.

    Advanced in Vitamin B12 Deficiency
    Endocrinology
    Advanced in Vitamin B12 Deficiency
    Endocrinology

    Endocrine Associates Of Long Island PC

    732 Smithtown Byp Ste 103, 
    Smithtown, NY 
     (6.2 miles away)
    Languages Spoken:
    English

    Michael Shanik is an Endocrinologist practicing medicine in Smithtown, New York. Dr. Shanik is rated as an Advanced 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 Thyroid Nodule, Hashimoto Thyroiditis, Type 2 Diabetes (T2D), and Adrenal Gland Adenoma.

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

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    1 Nicolls Rd, 
    Stony Brook, NY 
     (1.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Margarita Yarovikova is a Hematologist practicing medicine in Stony Brook, New York. Dr. Yarovikova 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 Breast Cancer in Men, Breast Cancer, Paget Disease of the Breast, and Inflammatory Breast Cancer.

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

    Office

    2500 Nesconset Hwy Bldg 8D, 
    Stony Brook, NY 
     (1.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Chun Chen is a primary care provider, practicing in Internal Medicine in Stony Brook, New York. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency, Subacute Combined Degeneration, Anemia, and Familial Hypertension.

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

    Suffolk Medical Care P.C.

    2500 Nesconset Hwy Bldg 12C, 
    Stony Brook, NY 
     (1.5 miles away)
    Experience:
    44+ years
    Languages Spoken:
    English

    Fangqin Li is a primary care provider, practicing in Family Medicine in Stony Brook, New York. She has been practicing medicine for over 44 years. Dr. Li is rated as an Experienced 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 Cluster Headache, Otitis Media with Effusion, High Cholesterol, and Vitamin D Deficiency.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Rocco Caruso MD

    2500 Nesconset Hwy Bldg 26B, 
    Stony Brook, NY 
     (1.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Patricia Burns is a Hematologist practicing medicine in Stony Brook, New York. Dr. Burns is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 9 other conditions, according to our data. Her clinical expertise encompasses Blood Clots, Thrombocytopenia, Anemia, and Childhood Iron Deficiency Anemia.

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

    Office

    2500 Nesconset Hwy Bldg 18B, 
    Stony Brook,, NY 
     (1.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Frank Zhang is a primary care provider, practicing in Family Medicine in Stony Brook,, New York. Dr. Zhang 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 Atypical Pneumonia, Pneumonia, Flu, Endoscopy, and Gastrostomy.

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

    Office

    100 S Jersey Ave Unit 19, 
    East Setauket, NY 
     (1.8 miles away)
    Languages Spoken:
    English

    John Ippolito is an Internal Medicine provider practicing medicine in East Setauket, New York. Dr. Ippolito is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Rheumatoid Arthritis (RA), Postmenopausal Osteoporosis, Osteoporosis, and Fibromyalgia.

    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner

    North Shore Radiation Oncology

    181 N Belle Mead Ave Ste 5, 
    East Setauket, NY 
     (1.8 miles away)
    Languages Spoken:
    English

    Donna Trees is a Nurse Practitioner practicing medicine in East Setauket, New York. Ms. Trees is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin D Deficiency and Vitamin B12 Deficiency.

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

    Office

    100 S Jersey Ave Unit 14, 
    East Setauket, NY 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Christopher Ng is a primary care provider, practicing in Family Medicine in East Setauket, New York. Dr. Ng is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Erectile Dysfunction (ED), and Cirrhosis.

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

    Office

    200 Main St Ste 5, 
    East Setauket, NY 
     (1.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Tanya Adams is a Family Medicine provider practicing medicine in East Setauket, New York. Dr. Adams is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin D Deficiency, ALK-Positive Non-Small Cell Lung Cancer, and Vitamin B12 Deficiency.

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

    Office

    412 Route 25A Ste 10, 
    Saint James, NY 
     (2.1 miles away)
    Languages Spoken:
    English

    Roxanne Carfora is a primary care provider, practicing in Family Medicine in Saint James, New York. Dr. Carfora is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Subacute Combined Degeneration, Multiple Carboxylase Deficiency, Folate Deficiency, and Vitamin B12 Deficiency Anemia.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology

    Digestive Disease Care PC

    235 N Belle Mead Ave, 
    East Setauket, NY 
     (3.2 miles away)
    Languages Spoken:
    English

    Samir Patel is a Hematologist and an Oncologist practicing medicine in East Setauket, New York. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 25 other conditions, according to our data. His clinical expertise encompasses Childhood Iron Deficiency Anemia, Blood Clots, Anemia, and Iron Deficiency Anemia.

    Showing 1-20 of 146

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Stony Brook, 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 Stony Brook, 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 Stony Brook, 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 Stony Brook, 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 Stony Brook, 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 Stony Brook, 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 Stony Brook, 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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