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    Last Updated: 01/09/2026

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    MediFind found 150 doctor with experience in Vitamin B12 Deficiency near Greenwich, CT. Of these, 139 are Experienced, 10 are Advanced and 1 are Distinguished.

    Location
    LocationClose
    150 providers found
      Distinguished in Vitamin B12 Deficiency
      Distinguished in Vitamin B12 Deficiency
      49 Lake Ave, Suite 104, 
      Greenwich, CT 
       (0.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Nazanine Khairkhah is a Nephrologist in Greenwich, Connecticut. Dr. Khairkhah is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin B12 Deficiency, Acute Kidney Failure, End-Stage Renal Disease (ESRD), Endoscopy, and Gastrostomy.

      Myung-ho Lee
      Experienced in Vitamin B12 Deficiency
      Cardiology
      Experienced in Vitamin B12 Deficiency
      Cardiology

      WPHPA Of Rye Brook

      90 South Ridge Street, Suite LL-9, 
      Rye Brook, NY 
       (2.7 miles away)
      Languages Spoken:
      English, Korean

      Dr. Myung-Ho Lee is board certified in Internal Medicine and Cardiology. His areas of clinical expertise include adult cardiology, echocardiography and peripheral vascular disease. Dr. Lee is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypertensive Heart Disease, Mitral Valve Regurgitation, Necrosis, and Pediatric Myocarditis.

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

      Francis X Walsh MD PC

      31 River Rd Ste 200, 
      Cos Cob, CT 
       (2.8 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Marcus Mayus is a primary care provider, practicing in Internal Medicine in Cos Cob, Connecticut. Dr. Mayus is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Urinary Tract Infection in Children, Childhood Iron Deficiency Anemia, Subacute Combined Degeneration, Gastrostomy, and Pacemaker Implantation.

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

      Stamford Health Medical Group Primary Care

      292 Long Ridge Rd Ste 101, 
      Stamford, CT 
       (4.9 miles away)
      Languages Spoken:
      English

      Lynn Morris is a primary care provider, practicing in Internal Medicine in Stamford, Connecticut. Dr. Morris is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are ALK-Positive Non-Small Cell Lung Cancer, Squamous Cell Lung Carcinoma, Small Cell Lung Cancer (SCLC), and Familial Colorectal Cancer.

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

      Stamford Health Medical Group Primary Care

      292 Long Ridge Rd Ste 101, 
      Stamford, CT 
       (4.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Maja Simic is a primary care provider, practicing in Internal Medicine in Stamford, Connecticut. Dr. Simic is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Type 2 Diabetes (T2D), Hypertension, Familial Hypertension, Pacemaker Implantation, and Cardiac Ablation.

      Advanced in Vitamin B12 Deficiency
      Advanced in Vitamin B12 Deficiency
      31 River Rd, Suite 200, 
      Cos Cob, CT 
       (1.9 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Francis Walsh is a Nephrologist in Cos Cob, Connecticut. Dr. Walsh is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are End-Stage Renal Disease (ESRD), Vitamin B12 Deficiency, Chronic Kidney Disease, and Necrosis.

      Anthony P. Gulati
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology | Oncology

      Hematology Oncology PC

      1 Hospital Plz, 
      Stamford, CT 
       (4.4 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English
      Offers Telehealth

      Anthony Gulati is a Hematologist Oncology specialist and a Hematologist in Stamford, Connecticut. Dr. Gulati has been practicing medicine for over 18 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Neuroendocrine Tumor, and Urothelial Cancer.

      Bryan E. Dorf
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine

      Northwell Health Physician Partners Medicine Specialties At Stamford

      945 Summer Street, 3rd Floor, 
      Stamford, CT 
       (5.1 miles away)
      Languages Spoken:
      English

      Bryan Dorf is a primary care provider, practicing in Internal Medicine in Stamford, Connecticut. Dr. Dorf is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Sitosterolemia, Fainting, High Cholesterol, and Bronchitis.

      Michael B. Finkelstein
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine

      Scarsdale Medical Group

      600 Mamaroneck Avenue, Suite 301, 
      Harrison, NY 
       (6.7 miles away)
      Languages Spoken:
      English

      Dr. Michael Finkelstein, MD, CWS*, obtained his Medical Degree from Ross University. He did his residency in internal medicine at Brooklyn Hospital and was Chief Medical resident. In addition to internal medicine, Dr. Finkelstein practices hyperbaric medicine and wound care. Dr. Finkelstein is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Acute Cystitis, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

      Rafael A. Ortiz
      Experienced in Vitamin B12 Deficiency
      Neuroradiology | Vascular Surgery | Interventional Radiology
      Experienced in Vitamin B12 Deficiency
      Neuroradiology | Vascular Surgery | Interventional Radiology

      WPHPA Neuro-Endovascular Surgery

      122 Maple Avenue, 8th Floor, 
      White Plains, NY 
       (7.1 miles away)
      Languages Spoken:
      English, French, Spanish
      Offers Telehealth

      Dr. Rafael Alexander Ortiz is Executive Director of Neurosciences, Chief of Neuro-Endovascular Surgery and Chief of Neurology at White Plains Hospital. His specialties include endovascular treatment of cerebral aneurysms; embolization of brain tumors and vascular tumors of the head and neck region; cerebral and spinal arteriovenous malformations; ischemic stroke; cerebral and carotid artery stenting; and treatment of craniofacial vascular lesions in adults and children, among others. Dr. Ortiz is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Brain Aneurysm, Stroke, Apoplexy, Stent Placement, and Transmyocardial Revascularization.

      Beatriz Sanchez
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine

      WPHPA Medical Specialists

      170 Maple Avenue, Suite G2, 
      White Plains, NY 
       (7.1 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English, Spanish
      Offers Telehealth

      Dr. Beatriz Sanchez is a board-certified internist at WPHPA Medical Specialists in White Plains, where she specializes in preventive medicine, infectious diseases, and metabolic syndrome – a group of conditions that can increase the risk of heart disease, stroke, and diabetes. Dr. Sanchez is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Familial Hypertension, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Urinary Tract Infection in Children.

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

      Allied Healthcare Physicians PLLC

      444 East Boston Post Road, 
      Mamaroneck, NY 
       (7.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Eyad Hijazin is a primary care provider, practicing in Internal Medicine in Mamaroneck, New York. Dr. Hijazin is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Hypertension, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Ureteroscopy, and Prostatectomy.

      Experienced in Vitamin B12 Deficiency
      Oncology | Hematology
      Experienced in Vitamin B12 Deficiency
      Oncology | Hematology
      77 Lafayette Pl, 
      Greenwich, CT 
       (0.5 miles away)
      Languages Spoken:
      English

      Dickerman Hollister is an Oncologist and a Hematologist in Greenwich, Connecticut. Dr. Hollister is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Angiosarcoma, Inflammatory Breast Cancer, Monoclonal Gammopathy of Undetermined Significance (MGUS), and Paget Disease of the Breast.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      42 Sherwood Pl, 
      Greenwich, CT 
       (0.6 miles away)
      Languages Spoken:
      English
      Offers Telehealth

      Christopher Edelmann is a primary care provider, practicing in Internal Medicine in Greenwich, Connecticut. Dr. Edelmann is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Urinary Tract Infection in Children, Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, and Hypertensive Heart Disease.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      40 E Putnam Ave, 
      Cos Cob, CT 
       (1.5 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Tiago Miguel is a primary care provider, practicing in Internal Medicine in Cos Cob, Connecticut. Dr. Miguel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Guillain-Barre Syndrome, Chronic Polyradiculoneuritis, Miller-Fisher Syndrome, Ureteroscopy, and Endoscopy. Dr. Miguel is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      31 River Rd, Suite 200, 
      Cos Cob, CT 
       (1.9 miles away)
      Languages Spoken:
      English

      James Brunetti is a primary care provider, practicing in Internal Medicine in Cos Cob, Connecticut. Dr. Brunetti is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Urinary Tract Infection in Children, Childhood Iron Deficiency Anemia, Movement Disorders, Gastrostomy, and Endoscopy.

      Experienced in Vitamin B12 Deficiency
      Infectious Disease
      Experienced in Vitamin B12 Deficiency
      Infectious Disease

      Glenville Medical Associates P.C

      7 Riversville Rd, 
      Greenwich, CT 
       (2.1 miles away)
      Languages Spoken:
      English

      Ralph Cipriani is an Infectious Disease provider in Greenwich, Connecticut. Dr. Cipriani is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Cellulitis, Osteomyelitis, Compartment Syndrome, and Lymphangitis.

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

      Glenville Medical Associates P.C

      7 Riversville Rd, 
      Greenwich, CT 
       (2.1 miles away)
      Languages Spoken:
      English

      Judith Shea is a primary care provider, practicing in Internal Medicine in Greenwich, Connecticut. Dr. Shea is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Osmotic Diuresis, Allergic Conjunctivitis, Sitosterolemia, and High Cholesterol.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      7 Riversville Rd, 
      Greenwich, CT 
       (2.1 miles away)
      Languages Spoken:
      English

      Steven Mickley is a primary care provider, practicing in Internal Medicine in Greenwich, Connecticut. Dr. Mickley is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Osmotic Diuresis, Lyme Disease, Familial Hypertension, and Hypertension.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      430 Westchester Ave, 
      Port Chester, NY 
       (2.8 miles away)
      Languages Spoken:
      English

      Linda Silberstein is a primary care provider, practicing in Internal Medicine in Port Chester, New York. Dr. Silberstein is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Plummer-Vinson Syndrome, High Cholesterol, Hypertension, and Familial Hypertension.

      Showing 1-20 of 150

      Last Updated: 01/09/2026

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