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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 80 doctor with experience in Vitamin B12 Deficiency near Troy, NY. Of these, 69 are Experienced and 11 are Advanced.

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80 providers found
    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    American Horizon Medical Group

    1500 2nd Ave, 
    Watervliet, NY 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tahir Effendi is a primary care provider, practicing in Internal Medicine in Watervliet, New York. Dr. Effendi 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 Vitamin D Deficiency, Dermatomyositis, Diabetic Nephropathy, and Vitamin B12 Deficiency. Dr. Effendi is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Family Medicine | Bariatric Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine | Bariatric Medicine

    Waterford Health Center

    158 Saratoga Ave, 
    Waterford, NY 
     (4.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Irina Kaplan is a primary care provider, practicing in Bariatric Medicine and Family Medicine in Waterford, New York. Dr. Kaplan 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, Obesity in Children, Familial Combined Hyperlipidemia, and Xanthoma. Dr. Kaplan is board certified in American Board Of Obesity Medicine and American Board Of Family Medicine. Dr. Kaplan is currently accepting new patients.

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

    Internal Medicine Associates

    63 Shaker Rd, Ste G02, 
    Albany, NY 
     (4.8 miles away)
    Experience:
    25+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Darryl Aliggayu is a primary care provider, practicing in Internal Medicine in Albany, New York. He has been practicing medicine for over 25 years. Dr. Aliggayu 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 Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Aliggayu is board certified in American Board Of Internal Medicine. Dr. Aliggayu is currently accepting new patients.

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

    Internal Medicine Associates

    63 Shaker Rd, Ste G02, 
    Albany, NY 
     (4.8 miles away)
    Experience:
    22+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Timothy Derenzo is a primary care provider, practicing in Family Medicine in Albany, New York. He has been practicing medicine for over 22 years. Dr. Derenzo 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 Opioid Use Disorder, Familial Hypertension, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Derenzo is board certified in American Board Of Family Medicine. Dr. Derenzo is currently accepting new patients.

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

    Razaali H Mamdani, MD, PLLC

    1500 2nd Ave, 
    Watervliet, NY 
     (0.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Razaali Mamdani is a primary care provider, practicing in Internal Medicine in Watervliet, New York. Dr. Mamdani is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Hyperlipidemia Type 3, High Cholesterol, Facial Paralysis, and Recurrent Peripheral Facial Palsy. Dr. Mamdani is currently accepting new patients.

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

    New York Oncology Hematology PC

    258 Hoosick St, Ste 206, 
    Troy, NY 
     (1.2 miles away)
    Experience:
    31+ years
    Languages Spoken:
    English

    Charlene Ives is a Hematologist and an Oncologist practicing medicine in Troy, New York. She has been practicing medicine for over 31 years. Dr. Ives is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 69 other conditions, according to our data. Her clinical expertise encompasses Mantle Cell Lymphoma (MCL), Paget Disease of the Breast, Childhood Iron Deficiency Anemia, and Iron Deficiency Anemia. Dr. Ives is board certified in American Board Of Internal Medicine Subspecialty, Medical Oncology.

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

    New York Oncology Hematology PC

    258 Hoosick St, Ste 206, 
    Troy, NY 
     (1.2 miles away)
    Experience:
    8+ years
    Languages Spoken:
    English
    Accepting New Patients

    Erin Lasher is a Hematologist and an Oncologist practicing medicine in Troy, New York. She has been practicing medicine for over 8 years. Ms. Lasher is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Small Lymphocytic Lymphoma (SLL), Gallbladder Adenocarcinoma, Smoldering Multiple Myeloma, and Classical Hodgkin Lymphoma. Ms. Lasher is board certified in American Board Of Internal Medicine, Nurse Practitioner, Adult-Gerontology Primary Care, American Nurses Credentialing Center. Ms. Lasher is currently accepting new patients.

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

    St. Peter's Medical Oncology/Hematology - Troy

    1300 Massachusetts Ave, 
    Troy, NY 
     (1.3 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Todd Whitman is a Hematologist and an Internal Medicine provider practicing medicine in Troy, New York. He has been practicing medicine for over 24 years. Dr. Whitman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 49 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Lynch Syndrome, Familial Colorectal Cancer, and Monoclonal Gammopathy of Undetermined Significance (MGUS). Dr. Whitman is board certified in American Board Of Internal Medicine Subspecialty, Medical Oncology and American Board Of Internal Medicine Subspecialty, Hematology. Dr. Whitman is currently accepting new patients.

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

    Hildegard Medicus Cancer Center Medical Oncology Operated By Samaritan Hospital Samaritan Hospital – St. Mary’s Campus

    1300 Massachusetts Ave, 
    Troy, NY 
     (1.3 miles away)
    Experience:
    46+ years
    Languages Spoken:
    English
    Accepting New Patients

    Arthur Sunkin is an Oncologist and an Internal Medicine provider practicing medicine in Troy, New York. He has been practicing medicine for over 46 years. Dr. Sunkin is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Follicular Lymphoma, Inflammatory Breast Cancer, Angiosarcoma, and Gastroesophageal Junction Cancer. Dr. Sunkin is board certified in American Board Of Internal Medicine Subspecialty, Medical Oncology and American Board Of Internal Medicine. Dr. Sunkin is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    Experienced in Vitamin B12 Deficiency
    Nurse Practitioner
    101 Jordan Rd, Suite 104, 
    Troy, NY 
     (3.5 miles away)
    Languages Spoken:
    English

    Marsha Smith is a Nurse Practitioner practicing medicine in Troy, New York. Ms. Smith 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

    Wound Care & Hyperbaric Medicine

    600 Northern Blvd, 
    Albany, NY 
     (4.7 miles away)
    Languages Spoken:
    English

    Eric Klausner is a primary care provider, practicing in Family Medicine in Albany, New York. Dr. Klausner 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 Necrosis, Cellulitis, Enlarged Liver, and Urinary Tract Infection in Children.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1375 Washington Ave Ste 101, 
    Albany, NY 
     (5.9 miles away)
    Experience:
    40+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Richard Clift is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Albany, New York. He has been practicing medicine for over 40 years. Dr. Clift 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 Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), Crohn's Disease, Endoscopy, and Gastrectomy. Dr. Clift is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology and American Board Of Internal Medicine. Dr. Clift is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1375 Washington Ave Ste 101, 
    Albany, NY 
     (5.9 miles away)
    Experience:
    24+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joseph Choma is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Albany, New York. He has been practicing medicine for over 24 years. Dr. Choma is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Portal Hypertension, Gallbladder Disease, Jaundice, Endoscopy, and Pancreatectomy. Dr. Choma is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology. Dr. Choma is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1375 Washington Ave Ste 101, 
    Albany, NY 
     (5.9 miles away)
    Experience:
    38+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Joseph Polito is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Albany, New York. He has been practicing medicine for over 38 years. Dr. Polito is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Crohn's Disease, Angiodysplasia of the Colon, Endoscopy, and Gastrectomy. Dr. Polito is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology. Dr. Polito is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1375 Washington Ave Ste 101, 
    Albany, NY 
     (5.9 miles away)
    Experience:
    11+ years
    Languages Spoken:
    English
    Offers Telehealth

    Shai Posner is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Albany, New York. He has been practicing medicine for over 11 years. Dr. Posner is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 22 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Irritable Bowel Syndrome (IBS), Swallowing Difficulty, Ulcerative Colitis, and Endoscopy. Dr. Posner is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology and American Board Of Internal Medicine.

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

    Podiatry Washington Avenue Extension

    220 Washington Avenue Ext, 
    Albany, NY 
     (8.4 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sharon Tietgens is an Endocrinologist practicing medicine in Albany, New York. Dr. Tietgens is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Obesity in Children, Type 1 Diabetes (T1D), and Hypothalamic Tumor.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1785 Route 9, 
    Clifton Park, NY 
     (9.8 miles away)
    Experience:
    35+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    James Puleo is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Clifton Park, New York. He has been practicing medicine for over 35 years. Dr. Puleo 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 Trichohepatoenteric Syndrome, Visceromegaly, Hepatitis, Endoscopy, and Gastrostomy. Dr. Puleo is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology. Dr. Puleo is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1785 Route 9, 
    Clifton Park, NY 
     (9.8 miles away)
    Experience:
    37+ years
    Languages Spoken:
    English

    Xinjun Zhu is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Clifton Park, New York. She has been practicing medicine for over 37 years. Dr. Zhu 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 Diarrhea, Crohn's Disease, Ulcerative Colitis, Endoscopy, and Colonoscopy. Dr. Zhu is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1785 Route 9, 
    Clifton Park, NY 
     (9.8 miles away)
    Experience:
    14+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Neil Volk is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Clifton Park, New York. He has been practicing medicine for over 14 years. Dr. Volk 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 Ulcerative Colitis, Crohn's Disease, Hemorrhagic Proctocolitis, Endoscopy, and Colonoscopy. Dr. Volk is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology and American Board Of Internal Medicine. Dr. Volk is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1785 Route 9, 
    Clifton Park, NY 
     (9.8 miles away)
    Experience:
    15+ years
    Languages Spoken:
    English
    Accepting New Patients

    Jonathan Barsa is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Clifton Park, New York. He has been practicing medicine for over 15 years. Dr. Barsa is rated as an Experienced 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 Portal Hypertension, Ulcerative Colitis, Diarrhea, Endoscopy, and Colonoscopy. Dr. Barsa is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology and American Board Of Internal Medicine. Dr. Barsa is currently accepting new patients.

    Showing 1-20 of 80

    Last Updated: 04/28/2026

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