The 20 Best Vitamin B12 Deficiency Doctors Near Me in Danbury, CT

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 33 doctor with experience in Vitamin B12 Deficiency near Danbury, CT. Of these, 30 are Experienced and 3 are Advanced.

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33 providers found
    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    Business Systems Inc

    95 Locust Ave, 
    Danbury, CT 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Wenli Gao is a Hematologist practicing medicine in Danbury, Connecticut. Dr. Gao is rated as an Experienced 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 B-Cell Lymphoma, Paget Disease of the Breast, Anemia, and Inflammatory Breast Cancer.

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

    Business Systems Inc

    95 Locust Ave, 
    Danbury, CT 
     (0.9 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Kamila Bakirhan is a Hematologist and an Oncologist practicing medicine in Danbury, Connecticut. Dr. Bakirhan 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 Anemia, Paget Disease of the Breast, Breast Cancer, and Ampullary Cancer.

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

    Nuvance Danbury Primary Care

    79 Sand Pit Rd Ste 102, 
    Danbury, CT 
     (1.3 miles away)
    Languages Spoken:
    English

    Joseph Franceschina is a primary care provider, practicing in Internal Medicine in Danbury, Connecticut. Dr. Franceschina 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 Type 1 Diabetes (T1D), Infant Hyperglycemia, Anemia, and High Cholesterol.

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

    Nuvance Danbury Primary Care

    79 Sand Pit Rd Ste 102, 
    Danbury, CT 
     (1.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Vadim Tikhomirov is a primary care provider, practicing in Internal Medicine in Danbury, Connecticut. Dr. Tikhomirov 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 Sitosterolemia, Lymphedema, Infant Hyperglycemia, and High Cholesterol.

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

    Danbury Medical Group

    100 Reserve Rd Ste 4A, 
    Danbury, CT 
     (1.3 miles away)
    Experience:
    16+ years
    Languages Spoken:
    English
    Offers Telehealth

    Danielle Phillip is a primary care provider, practicing in Internal Medicine in Danbury, Connecticut. She has been practicing medicine for over 16 years. Dr. Phillip 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 High Cholesterol, Melorheostosis, Melorheostosis with Osteopoikilosis, and Osteopenia. Dr. Phillip is board certified in American Board Of Internal Medicine.

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

    Office

    7 Durant Ave, 
    Bethel, CT 
     (2.5 miles away)
    Languages Spoken:
    English

    Mary Galasinski is a Nurse Practitioner practicing medicine in Bethel, Connecticut. Ms. Galasinski is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency.

    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology

    Northern Medical Group PLLC

    111 Clock Tower Cmns, 
    Brewster, NY 
     (6.5 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sadhis Rivas is an Endocrinologist practicing medicine in Brewster, New York. Dr. Rivas is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Thyroid Nodule, Type 2 Diabetes (T2D), Secondary Adrenal Insufficiency, and Addison's Disease.

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

    MDVIP - Newtown, CT

    153 S Main St, 
    Newtown, CT 
     (8.9 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Jeffrey Friedman is a primary care provider, practicing in Internal Medicine in Newtown, Connecticut. Dr. Friedman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Hypertensive Heart Disease, Enlarged Liver, Peptic Ulcer, and Pediatric Myocarditis. Dr. Friedman is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Advanced in Vitamin B12 Deficiency

    Office

    340 Route 202 Fl Mailbox Bldg A, 
    Somers,, NY 
     (14.1 miles away)
    Languages Spoken:
    English

    Deanna Sandor is a Cardiologist practicing medicine in Somers,, New York. Dr. Sandor is rated as an Advanced 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 Abdominal Obesity Metabolic Syndrome, Type B Insulin Resistance Syndrome, Cytochrome C Oxidase Deficiency, and Mitochondrial Complex V Deficiency.

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

    Northeast Radiology PC

    60 Old New Milford Rd Ste 2A, 
    Brookfield, CT 
     (6.2 miles away)
    Languages Spoken:
    English

    Robert Mascia is a primary care provider, practicing in Family Medicine in Brookfield, Connecticut. Dr. Mascia is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Subacute Combined Degeneration, High Cholesterol, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism.

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

    Northern Medical Group PLLC

    111 Clock Tower Cmns, 
    Brewster, NY 
     (6.5 miles away)
    Languages Spoken:
    English

    Patricia Shannon is a primary care provider, practicing in Internal Medicine in Brewster, New York. Dr. Shannon is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses EGFR Positive Lung Cancer, Squamous Cell Lung Carcinoma, Non-Small Cell Lung Cancer (NSCLC), and Lung Adenocarcinoma.

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

    Northern Medical Group PLLC

    111 Clock Tower Cmns, 
    Brewster, NY 
     (6.5 miles away)
    Languages Spoken:
    English

    Martha Bouchard is a primary care provider, practicing in Internal Medicine in Brewster, New York. Dr. Bouchard is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Xanthoma.

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

    UCP Of Putnam & Southern Dutchess Counties Inc

    15 Mount Ebo Rd S, 
    Brewster, NY 
     (6.8 miles away)
    Languages Spoken:
    English

    Henry Kamin is a primary care provider, practicing in Internal Medicine in Brewster, New York. Dr. Kamin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Status Epilepticus, Vitamin D Deficiency, Essential Thrombocythemia, and Painful Swallowing.

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

    James K Ahern And Dr Carol A Galban MDS

    77 Danbury Rd, 
    Ridgefield, CT 
     (7.3 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    James Ahern is a primary care provider, practicing in Family Medicine in Ridgefield, Connecticut. Dr. Ahern 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 Sitosterolemia, Asthma, Asthma in Children, and High Cholesterol.

    Experienced in Vitamin B12 Deficiency
    Rheumatology
    Experienced in Vitamin B12 Deficiency
    Rheumatology

    Mount Kisco Medical Group PC

    185 Route 312, 
    Brewster, NY 
     (9.4 miles away)
    Languages Spoken:
    English

    Ronen Marmur is a Rheumatologist practicing medicine in Brewster, New York. Dr. Marmur is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Psoriatic Arthritis, Raynaud Phenomenon, Rheumatoid Arthritis (RA), and Psoriasis.

    Experienced in Vitamin B12 Deficiency
    Hospital Medicine
    Experienced in Vitamin B12 Deficiency
    Hospital Medicine
    342 Route 202, 
    Somers, NY 
     (12.7 miles away)
    Languages Spoken:
    English, Gujarati , Hindi

    Jimmy Bhatt is a primary care provider, practicing in Hospital Medicine in Somers, New York. Dr. Bhatt 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 Obesity, COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), and Obesity in Children. Dr. Bhatt is board certified in American Board Of Internal Medicine.

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

    Optum Medical Care PC

    342 Route 202, 
    Somers, NY 
     (12.7 miles away)
    Languages Spoken:
    English

    Bernadette Tillmon is a primary care provider, practicing in Internal Medicine in Somers, New York. Dr. Tillmon is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Lyme Disease, Vitamin B12 Deficiency Anemia, and Multiple Carboxylase Deficiency. Dr. Tillmon is board certified in American Board Of Internal Medicine.

    Experienced in Vitamin B12 Deficiency
    Physician Assistant
    Experienced in Vitamin B12 Deficiency
    Physician Assistant

    Southbury Internal Medicine

    385 Main St S, Ste 301, 
    Southbury, CT 
     (13.2 miles away)
    Experience:
    21+ years
    Languages Spoken:
    English
    Accepting New Patients

    Gina Rupert is a Physician Assistant practicing medicine in Southbury, Connecticut. She has been practicing medicine for over 21 years. Ms. Rupert is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency. Ms. Rupert is board certified in National Commission On Certification Of Physician Assistants, Physician Assistant. Ms. Rupert is currently accepting new patients.

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

    Southbury Internal Medicine

    385 Main St S, Ste 301, 
    Southbury, CT 
     (13.2 miles away)
    Experience:
    30+ years
    Languages Spoken:
    English
    Accepting New Patients

    Carolyn O'connor is a primary care provider, practicing in Internal Medicine in Southbury, Connecticut. She has been practicing medicine for over 30 years. Dr. O'connor is rated as an Experienced 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 Hypothyroidism, High Cholesterol, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. O'connor is board certified in American Board Of Internal Medicine. Dr. O'connor is currently accepting new patients.

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

    Hhcmg Specialists, LLC

    15 Corporate Dr, 
    Trumbull, CT 
     (13.5 miles away)
    Languages Spoken:
    English

    Steven Fisher is a primary care provider, practicing in Internal Medicine in Trumbull, Connecticut. Dr. Fisher is rated as an Advanced 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 Lipogranulomatosis, Lipoid Proteinosis, Movement Disorders, and Parkinson's Disease. Dr. Fisher is board certified in American Board Of Internal Medicine.

    Showing 1-20 of 33

    Last Updated: 04/28/2026

    When should I see a Vitamin B12 Deficiency doctor near Danbury, CT?

    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 Danbury, CT?

    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 Danbury, CT?

    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 Danbury, CT?

    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 Danbury, CT?

    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 Danbury, CT?

    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 Danbury, CT?

    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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