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    Last Updated: 01/09/2026

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    MediFind found 146 doctor with experience in Vitamin B12 Deficiency near Port Jefferson Station, NY. Of these, 122 are Experienced, 20 are Advanced and 4 are Distinguished.

    Location
    LocationClose
    146 providers found
      Experienced in Vitamin B12 Deficiency
      Neurology | Sleep Medicine
      Experienced in Vitamin B12 Deficiency
      Neurology | Sleep Medicine

      North Suffolk Neurology PC

      5 Medical Dr, 
      Port Jefferson Station, NY 
       (0.4 miles away)
      Languages Spoken:
      English

      Warren Spinner is a Neurologist and a Sleep Medicine provider in Port Jefferson Station, New York. Dr. Spinner is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Migraine, Memory Loss, Peripheral Neuropathy, and Vertigo.

      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
      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. Her top areas of expertise are Hypothyroidism, Obesity in Children, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency

      Port Jefferson Emergency Medical Care

      7 S Jersey Ave Ste 1, 
      East Setauket, NY 
       (3.6 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. Her top areas of expertise are Blood Clots, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

      Learn about our expert tiers
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine

      Office

      2500 Nesconset Hwy Bldg 18B, 
      Stony Brook,, NY 
       (4.4 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. His top areas of expertise are Atypical Pneumonia, Pneumonia, Flu, Endoscopy, and Gastrostomy.

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

      Mather Primary Care At Stony Brook

      2500 Nesconset Highway, Bldg 2, 
      Stony Brook, NY 
       (4.7 miles away)
      Languages Spoken:
      English

      Scott Sussman is a Nurse Practitioner in Stony Brook, New York. Mr. Sussman 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, and Lung Nodules.

      Roy H. Chen
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology

      North Shore Hematology Oncology Associates PC

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

      Roy Chen is a Hematologist Oncology specialist and a Hematologist in Port Jefferson Station, New York. Dr. Chen is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Blood Clots, Childhood Iron Deficiency Anemia, Thrombocytopenia, Hip Replacement, and Endoscopy.

      Clara E. Lengyel
      Experienced in Vitamin B12 Deficiency
      Endocrinology
      Experienced in Vitamin B12 Deficiency
      Endocrinology

      Northwell Health Physician Partners Diabetes & Endocrinology At Medford

      1723 North Ocean Avenue, Suite A, 
      Medford, NY 
       (7.6 miles away)
      Languages Spoken:
      English, Spanish
      Offers Telehealth

      Clara Lengyel is an Endocrinologist in Medford, New York. Dr. Lengyel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Hypothyroidism, Type 2 Diabetes (T2D), Obesity in Children, and Type 1 Diabetes (T1D).

      Distinguished in Vitamin B12 Deficiency
      Endocrinology
      Distinguished in Vitamin B12 Deficiency
      Endocrinology

      Endocrine Associates Of Long Island, PC

      732 Smithtown Byp, Suite 103, 
      Smithtown, NY 
       (8.1 miles away)
      Experience:
      44+ years
      Languages Spoken:
      English

      David Kugler is an Endocrinologist in Smithtown, New York. Dr. Kugler has been practicing medicine for over 44 years and is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hashimoto Thyroiditis, Type 2 Diabetes (T2D), Vitamin B12 Deficiency, and Idiopathic Hypercalciuria.

      Distinguished in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Distinguished in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology

      North Shore Hematology Oncology Associates PC

      48 Route 25a, 
      Smithtown, NY 
       (8.6 miles away)
      Languages Spoken:
      English

      Fauzia Paracha is a Hematologist Oncology specialist and a Hematologist in Smithtown, New York. Dr. Paracha is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Anemia, Vitamin B12 Deficiency, Childhood Iron Deficiency Anemia, and Iron Deficiency Anemia.

      Distinguished in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Distinguished in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology

      North Shore Hematology Oncology Associates PC

      48 Route 25a, 
      Smithtown, NY 
       (8.6 miles away)
      Languages Spoken:
      English

      Ramamohana Kancherla is a Hematologist Oncology specialist and a Hematologist in Smithtown, New York. Dr. Kancherla is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Severe Congenital Neutropenia, Agranulocytosis, Chronic Familial Neutropenia, Pulmonary Embolism, and Gastrostomy.

      Sanjeev Jain
      Experienced in Vitamin B12 Deficiency
      Hematology
      Experienced in Vitamin B12 Deficiency
      Hematology

      North Shore Hematology Oncology Associates PC

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

      Sanjeev Jain is a Hematologist in Smithtown, New York. Dr. Jain is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Anemia, Blood Clots, Lung Cancer, and Childhood Iron Deficiency Anemia.

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

      Edward Condon is an Endocrinologist in Commack, New York. Dr. Condon is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hashimoto Thyroiditis, Polycystic Ovary Syndrome, Obesity in Children, and Infertility.

      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      5 Roosevelt Ave, 
      Port Jefferson Station, NY 
       (0.2 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 top areas of expertise are Vitamin B12 Deficiency, Subacute Combined Degeneration, Transient Ischemic Attack (TIA), and High Cholesterol.

      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      49 Nesconset Hwy, 
      Port Jefferson Station, NY 
       (0.3 miles away)
      Languages Spoken:
      English

      William Li Pera is a Hematologist Oncology specialist and a Hematologist in Port Jefferson Station, New York. Dr. Li Pera is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Blood Clots, Pleuropulmonary Blastoma, Familial Colorectal Cancer, and Hemochromatosis.

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

      North Shore Hematology Oncology Associates PC

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

      John Gil is a primary care provider, practicing in Family Medicine in Port Jefferson Station, New York. Dr. Gil is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Blood Clots, Insomnia, Familial Hypertension, and Hypertension.

      Experienced in Vitamin B12 Deficiency
      Experienced in Vitamin B12 Deficiency
      5225 Nesconset Hwy, Suite 60 - Building 13, 
      Port Jefferson Station, NY 
       (0.3 miles away)
      Languages Spoken:
      English

      Darren Kaufman is a Nephrologist in Port Jefferson Station, New York. Dr. Kaufman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Chronic Kidney Disease, Senior-Loken Syndrome, Medullary Sponge Kidney, and Nephronophthisis.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine | General Practice
      Experienced in Vitamin B12 Deficiency
      Internal Medicine | General Practice

      Chs Physician Partners PC

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

      Anil Sangwan is a primary care provider, practicing in Internal Medicine and General Practice in Port Jefferson Station, New York. Dr. Sangwan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Acute Kidney Failure, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Colonoscopy, and Vertebroplasty.

      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      10 B Medical Dr, 
      Port Jefferson Station, NY 
       (0.4 miles away)
      Languages Spoken:
      English

      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. His top areas of expertise are Peptic Ulcer, Necrosis, Stasis Dermatitis and Ulcers, and Cellulitis.

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

      North Shore Hematology Oncology Associates PC

      1500 Route 112, Suite 101, 
      Port Jefferson Station, NY 
       (1.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Dipen Patel is a Hematologist Oncology specialist and a Hematologist in Port Jefferson Station, New York. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Blood Clots, Anemia, Malabsorption, Childhood Iron Deficiency Anemia, and Endoscopy.

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

      North Shore Hematology Oncology Associates PC

      1500 Route 112, Suite 101, 
      Port Jefferson Station, NY 
       (1.2 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Regina Jablonski is a Hematologist Oncology specialist and a Hematologist in Port Jefferson Station, New York. Dr. Jablonski is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Blood Clots, Paget Disease of the Breast, Childhood Iron Deficiency Anemia, and Iron Deficiency Anemia.

      Showing 1-20 of 146

      Last Updated: 01/09/2026

      When should I see a Vitamin B12 Deficiency doctor near Port Jefferson Station, 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 Port Jefferson Station, 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 Port Jefferson Station, 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 Port Jefferson Station, 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 Port Jefferson Station, 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 Port Jefferson Station, 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 Port Jefferson Station, 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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