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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 109 doctor with experience in Vitamin B12 Deficiency near miller place, NY. Of these, 95 are Experienced, 13 are Advanced and 1 are Distinguished.

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109 providers found
    Advanced in Vitamin B12 Deficiency
    Rheumatology
    Advanced in Vitamin B12 Deficiency
    Rheumatology
    Referral may be required

    Rheumatology Associates Of L.I. LLP

    7 Medical Dr, 
    Port Jefferson Station, NY 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hong Xu is a Rheumatologist practicing medicine in Port Jefferson Station, New York. Dr. Xu is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 29 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, Polymyalgia Rheumatica, and Raynaud Phenomenon. Dr. Xu is currently accepting new patients.

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

    Office

    10 Medical Dr Ste B, 
    Port Jefferson Station, NY 
     (4.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Mark Shapiro is a primary care provider, practicing in Family Medicine in Port Jefferson Station, New York. Dr. Shapiro is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Necrosis, Peptic Ulcer, Stasis Dermatitis and Ulcers, and Cellulitis. Dr. Shapiro is currently accepting new patients.

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

    Office

    701 Route 25A Ste B, 
    Mount Sinai, NY 
     (1.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Denise Abselet is a primary care provider, practicing in Family Medicine in Mount Sinai, New York. Dr. Abselet 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 Hypothyroidism, Obesity in Children, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Abselet is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Office

    7 Medical Dr, 
    Port Jefferson Station, NY 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Luiziana Marinescu is a Rheumatologist practicing medicine in Port Jefferson Station, New York. Dr. Marinescu is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Rheumatoid Arthritis (RA), Psoriatic Arthritis, Psoriasis, and Postmenopausal Osteoporosis. Dr. Marinescu is currently accepting new patients.

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

    Office

    765 Route 25A Ste 6, 
    Miller Place, NY 
     (1.7 miles away)
    Languages Spoken:
    English

    Mark Koenig is a primary care provider, practicing in Family Medicine in Miller Place, New York. Dr. Koenig is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Parainfluenza Virus Type 3, Parainfluenza, Hypothyroidism, and Middle East Respiratory Syndrome (MERS).

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

    Rheumatology Associates Of L.I. LLP

    7 Medical Dr, 
    Port Jefferson Station, NY 
     (3.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Howard Blumstein is a Rheumatologist practicing medicine in Port Jefferson Station, New York. Dr. Blumstein is rated as an Experienced 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 Rheumatoid Arthritis (RA), Dermatomyositis, Psoriatic Arthritis, and Psoriasis. Dr. Blumstein is currently accepting new patients.

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

    Sensory Solutions Of Long Island Inc.

    5225 Nesconset Hwy, 
    Port Jefferson Station, NY 
     (3.3 miles away)
    Languages Spoken:
    English

    Darren Kaufman is a primary care provider, practicing in Internal Medicine in Port Jefferson Station, New York. Dr. Kaufman 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 Chronic Kidney Disease, Hyperlipidemia Type 3, Nephronophthisis, and Autosomal Dominant Tubulointerstitial Kidney Disease.

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

    North Shore Hematology Oncology Associates PC

    49 Nesconset Hwy, 
    Port Jefferson Station, NY 
     (3.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    George Cyriac is a Hematologist practicing medicine in Port Jefferson Station, New York. Dr. Cyriac is rated as an Experienced 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 Blood Clots, Anemia, Malabsorption, Thrombocytopenia, and Bone Marrow Aspiration.

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

    North Shore Hematology Oncology Associates PC

    49 Nesconset Hwy, 
    Port Jefferson Station, NY 
     (3.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Harry Staszewski is a primary care provider, practicing in Internal Medicine in Port Jefferson Station, New York. Dr. Staszewski 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 Blood Clots, Familial Colorectal Cancer, Colorectal Cancer, and Hemochromatosis.

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

    North Shore Hematology Oncology Associates PC

    49 Nesconset Hwy, 
    Port Jefferson Station, NY 
     (3.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Chu is a Hematologist practicing medicine in Port Jefferson Station, New York. Dr. Chu 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 Blood Clots, Anemia, Thrombocytopenia, and Malabsorption.

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

    Office

    575 Route 25A, 
    Rocky Point, NY 
     (3.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    John Gil is a primary care provider, practicing in Family Medicine in Rocky Point, New York. Dr. Gil 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 Blood Clots, Insomnia, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension.

    Experienced in Vitamin B12 Deficiency
    Neurology | Sleep Medicine
    Experienced in Vitamin B12 Deficiency
    Neurology | Sleep Medicine
    Referral may be required

    PJ Optical

    1010 Route 112 Ste 300, 
    Port Jefferson Station,, NY 
     (3.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Warren Spinner is a Neurologist and a Sleep Medicine provider practicing medicine in Port Jefferson Station,, New York. Dr. Spinner is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Migraine, Memory Loss, Peripheral Neuropathy, and Vertigo. Dr. Spinner is currently accepting new patients.

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

    Joseh P Boglia MD PC

    200 Belle Terre Rd Ste 110, 
    Port Jefferson, NY 
     (3.7 miles away)
    Languages Spoken:
    English

    Kenneth Fishberger is a primary care provider, practicing in Internal Medicine in Port Jefferson, New York. Dr. Fishberger 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 Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Ulcerative Colitis.

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

    Office

    5 Roosevelt Ave, 
    Port Jefferson Station, NY 
     (3.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Cynthia Santiago is a primary care provider, practicing in Family Medicine in Port Jefferson Station, New York. Dr. Santiago 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, Transient Ischemic Attack (TIA), and High Cholesterol.

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

    North Shore Hematology Oncology Associates PC

    1500 Route 112, 
    Port Jefferson Station, NY 
     (3.7 miles away)
    Languages Spoken:
    English

    Daniel Laieta is a primary care provider, practicing in Internal Medicine in Port Jefferson Station, New York. Dr. Laieta is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Tracheitis.

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

    Terryville Medical Associates

    116 Terryville Rd, 
    Port Jefferson Station, NY 
     (3.8 miles away)
    Languages Spoken:
    English

    Anil Sangwan is a primary care provider, practicing in Internal Medicine in Port Jefferson Station, New York. Dr. Sangwan 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 Acute Kidney Failure, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Colonoscopy, and Bone Graft.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency

    Office

    5225 Nesconset Hwy Ste 53, 
    Port Jefferson Station, NY 
     (4.1 miles away)
    Languages Spoken:
    English

    Pedro Roque-Rodriguez is a primary care provider, practicing in Internal Medicine in Port Jefferson Station, New York. Dr. Roque-Rodriguez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Peptic Ulcer, Necrosis, Cellulitis, and Stasis Dermatitis and Ulcers.

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

    Northwell Health GoHealth Urgent Care In Port Jefferson

    5145 Nesconset Hwy Ste 4, 
    Port Jefferson Station, NY 
     (4.1 miles away)
    Languages Spoken:
    English

    Xian Li is a primary care provider, practicing in Family Medicine in Port Jefferson Station, New York. Dr. Li 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 Canker Sore, Aphthous Stomatitis, Sutton Disease 2, Mouth Sores, and Gastrostomy.

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

    Office

    49 Route 347, 
    Port Jefferson Station, NY 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Adriana Guigova is a Hematologist practicing medicine in Port Jefferson Station, New York. Dr. Guigova is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 10 other conditions, according to our data. Her clinical expertise encompasses Blood Clots, Anemia, Malabsorption, and Thrombocytopenia.

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

    Office

    49 Route 347, 
    Port Jefferson Station, NY 
     (4.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Steven Montana is an Oncologist practicing medicine in Port Jefferson Station, New York. Dr. Montana 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 Lung Cancer, Pleuropulmonary Blastoma, Colorectal Cancer, and Familial Colorectal Cancer.

    Showing 1-20 of 109

    Last Updated: 09/26/2026

    When should I see a Vitamin B12 Deficiency doctor near miller place, 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 miller place, 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 miller place, 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 miller place, 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 miller place, 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 miller place, 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 miller place, 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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