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    Last Updated: 01/09/2026

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    MediFind found 33 doctor with experience in Vitamin B12 Deficiency near Grand Rapids, MI. Of these, 33 are Experienced.

    Location
    LocationClose
    33 providers found
      Anas Al
      Experienced in Vitamin B12 Deficiency
      Hematology | Hematology Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology | Hematology Oncology

      Corewell Health Grand Rapids Hospitals Hematology Oncology - Lemmen-Holton

      145 Michigan Street Northeast, Suite 5200, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      35+ years
      Languages Spoken:
      English

      Anas Al is a Hematologist and a Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Al has been practicing medicine for over 35 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Multiple Myeloma, Familial Prostate Cancer, Urothelial Cancer, and Muscle Invasive Bladder Cancer.

      Stephanie A. Dublis
      Experienced in Vitamin B12 Deficiency
      Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology | Oncology

      Corewell Health Medical Oncology Program - Lemmen-Holton

      145 Michigan Street Northeast, Suite 5200, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      22+ years
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Stephanie Dublis is a Hematologist and an Oncologist in Grand Rapids, Michigan. Dr. Dublis has been practicing medicine for over 22 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Small Cell Lung Cancer (SCLC), Lung Cancer, Pleuropulmonary Blastoma, Angiosarcoma, and Bone Marrow Aspiration. Dr. Dublis is currently accepting new patients.

      Colin A. Hardin
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology | Hematology

      The Cancer & Hematology Centers

      145 Michigan Street Northeast, Suite 3100, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      15+ years
      Languages Spoken:
      English
      Accepting New Patients

      Colin Hardin is a Hematologist and a Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Hardin has been practicing medicine for over 15 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Thrombocytopenia, Adult Immune Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, Anemia, and Bone Marrow Aspiration. Dr. Hardin is currently accepting new patients.

      Learn about our expert tiers
      Brett T. Brinker
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology

      The Cancer & Hematology Centers

      145 Michigan Street Northeast, Suite 3100, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      26+ years
      Languages Spoken:
      English
      Accepting New Patients

      Brett Brinker is a Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Brinker has been practicing medicine for over 26 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are B-Cell Lymphoma, Acute Myeloid Leukemia (AML), Non-Hodgkin Lymphoma, Acute Myeloblastic Leukemia without Maturation, and Bone Marrow Aspiration. Dr. Brinker is currently accepting new patients.

      Mohammad M. Alhyari
      Experienced in Vitamin B12 Deficiency
      Hematology | Hematology Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology | Hematology Oncology

      Corewell Health Grand Rapids Hospitals Hematology Oncology - Lemmen-Holton

      145 Michigan Street Northeast, Suite 5200, 
      Grand Rapids, MI 
       (0.9 miles away)
      Experience:
      18+ years
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Mohammad Alhyari is a Hematologist and a Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Alhyari 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 Large-Cell Immunoblastic Lymphoma, Chronic Lymphocytic Leukemia (CLL), Pleuropulmonary Blastoma, and Lung Cancer. Dr. Alhyari is currently accepting new patients.

      Thomas V. Bilisko
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine

      Grand Valley Medical Specialists - Wyoming

      2093 Health Drive Southwest, Suite 200, 
      Wyoming, MI 
       (5.7 miles away)
      Experience:
      36+ years
      Languages Spoken:
      English
      Accepting New Patients

      Thomas Bilisko is a primary care provider, practicing in Internal Medicine in Wyoming, Michigan. Dr. Bilisko has been practicing medicine for over 36 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Infant Hyperglycemia, Macroamylasemia, Familial HDL Deficiency, and Apo A-I Deficiency. Dr. Bilisko is currently accepting new patients.

      John W. Hamersma
      Experienced in Vitamin B12 Deficiency
      Family Medicine
      Experienced in Vitamin B12 Deficiency
      Family Medicine

      Grand Valley Medical Specialists - Wyoming

      2093 Health Drive Southwest, Suite 200, 
      Wyoming, MI 
       (5.7 miles away)
      Experience:
      27+ years
      Languages Spoken:
      English
      Accepting New Patients

      John Hamersma is a primary care provider, practicing in Family Medicine in Wyoming, Michigan. Dr. Hamersma has been practicing medicine for over 27 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Obesity in Children, High Cholesterol, Hypertensive Heart Disease, and Hypothyroidism. Dr. Hamersma is currently accepting new patients.

      Frances Y. Wong
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology Oncology

      The Cancer & Hematology Centers - Foremost Drive Ste 200

      5800 Foremost Drive Southeast, Suite 200, 
      Grand Rapids, MI 
       (7.8 miles away)
      Experience:
      19+ years
      Languages Spoken:
      English
      Accepting New Patients

      Frances Wong is a Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Wong has been practicing medicine for over 19 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Thrombocytopenia, Hemangioma Thrombocytopenia Syndrome, Childhood Iron Deficiency Anemia, Essential Thrombocythemia, and Bone Marrow Aspiration. Dr. Wong is currently accepting new patients.

      William A. Fabricius
      Experienced in Vitamin B12 Deficiency
      Otolaryngology | Hematology | Oncology
      Experienced in Vitamin B12 Deficiency
      Otolaryngology | Hematology | Oncology

      The Cancer & Hematology Centers - Foremost Drive Ste 200

      5800 Foremost Drive Southeast, Suite 200, 
      Grand Rapids, MI 
       (7.8 miles away)
      Experience:
      24+ years
      Languages Spoken:
      English
      Accepting New Patients

      William Fabricius is an Otolaryngologist and a Hematologist in Grand Rapids, Michigan. Dr. Fabricius has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Chronic Lymphocytic Leukemia (CLL), Multiple Myeloma, Relapsed Refractory Multiple Myeloma (RRMM), and Inflammatory Breast Cancer. Dr. Fabricius is currently accepting new patients.

      Britni L. Mashni
      Experienced in Vitamin B12 Deficiency
      Hematology | Hematology Oncology | Oncology
      Experienced in Vitamin B12 Deficiency
      Hematology | Hematology Oncology | Oncology

      The Cancer & Hematology Centers

      710 Kenmoor Avenue Southeast, Suite 200, 
      Grand Rapids, MI 
       (7.8 miles away)
      Experience:
      11+ years
      Languages Spoken:
      English
      Accepting New Patients

      Britni Mashni is a Hematologist and a Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Mashni has been practicing medicine for over 11 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are HER-2 Positive Breast Cancer, Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, and Triple-Negative Breast Cancer. Dr. Mashni is currently accepting new patients.

      Melonie S. Ice
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine

      Grand Valley Medical Specialists - East Paris Avenue

      1000 East Paris Avenue Southeast, Suite 100, 
      Grand Rapids, MI 
       (7.8 miles away)
      Experience:
      40+ years
      Languages Spoken:
      English
      Accepting New Patients

      Melonie Ice is a primary care provider, practicing in Internal Medicine in Grand Rapids, Michigan. Dr. Ice has been practicing medicine for over 40 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Sitosterolemia, Hypothyroidism, Collagenous Colitis, and Hypertension. Dr. Ice is currently accepting new patients.

      David R. Heyboer
      Experienced in Vitamin B12 Deficiency
      Internal Medicine
      Experienced in Vitamin B12 Deficiency
      Internal Medicine

      Corewell Health Internal Medicine - Wyoming

      6105 Wilson Avenue Southwest, Suite 202, 
      Wyoming, MI 
       (8.0 miles away)
      Experience:
      35+ years
      Languages Spoken:
      English

      David Heyboer is a primary care provider, practicing in Internal Medicine in Wyoming, Michigan. Dr. Heyboer has been practicing medicine for over 35 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Crohn's Disease, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Familial Hypertension.

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

      Advantage Health/saint Mary's Medical Group

      250 Cherry St Se, 
      Grand Rapids, MI 
       (0.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Barbara Mcgrath is an Oncologist and a Hematologist Oncology provider in Grand Rapids, Michigan. Dr. Mcgrath is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Angiosarcoma, Inflammatory Breast Cancer, Familial Colorectal Cancer, and Lung Cancer. Dr. Mcgrath is currently accepting new patients.

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

      Advantage Health/saint Mary's Medical Group

      250 Cherry St Se, 
      Grand Rapids, MI 
       (0.9 miles away)
      Languages Spoken:
      English
      Accepting New Patients
      Offers Telehealth

      Lloyd Geddes is a Hematologist Oncology specialist and a Hematologist in Grand Rapids, Michigan. Dr. Geddes is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Deep Vein Thrombosis, Inflammatory Breast Cancer, Non-Hodgkin Lymphoma, and Non-Small Cell Lung Cancer (NSCLC). Dr. Geddes is currently accepting new patients.

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

      Saint Marys Health Services

      200 Jefferson Ave Se, 
      Grand Rapids, MI 
       (1.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Robert Riekse is a primary care provider, practicing in Geriatrics and Internal Medicine in Grand Rapids, Michigan. Dr. Riekse is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Atrial Fibrillation, Parkinson's Disease, Anemia, and Pericarditis. Dr. Riekse is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Internal Medicine | General Practice
      Experienced in Vitamin B12 Deficiency
      Internal Medicine | General Practice
      1260 Ekhart St Ne, Ste112, 
      Grand Rapids, MI 
       (2.0 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Daniel Carrel is a primary care provider, practicing in Internal Medicine and General Practice in Grand Rapids, Michigan. Dr. Carrel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Hypothyroidism, and Hypertensive Heart Disease. Dr. Carrel is currently accepting new patients.

      Experienced in Vitamin B12 Deficiency
      Geriatrics | Emergency Medicine
      Experienced in Vitamin B12 Deficiency
      Geriatrics | Emergency Medicine
      3355 Eagle Park Dr Ne, Ste103, 
      Grand Rapids, MI 
       (4.5 miles away)
      Languages Spoken:
      English

      Gary Poelman is a Geriatrics specialist and an Emergency Medicine provider in Grand Rapids, Michigan. Dr. Poelman is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Vitamin B12 Deficiency, Urinary Tract Infection (UTI), Dementia, and Necrosis.

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

      Metropolitan Hospital

      4200 N Division Ave, Metro Health Comstock Park, 
      Comstock Park, MI 
       (4.8 miles away)
      Languages Spoken:
      English
      Accepting New Patients

      Janice Wabeke is a primary care provider, practicing in Family Medicine in Comstock Park, Michigan. Dr. Wabeke is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Myelodysplastic Syndrome (MDS), Generalized Anxiety Disorder (GAD), Type 2 Diabetes (T2D), and Tracheitis. Dr. Wabeke is currently accepting new patients.

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

      Grand Valley Medical Specialists - East Paris Avenue

      1000 East Paris Avenue Southeast, Suite 100, 
      Grand Rapids, MI 
       (7.8 miles away)
      Experience:
      21+ years
      Languages Spoken:
      English
      Accepting New Patients

      Daniel Bergner is a primary care provider, practicing in Internal Medicine in Grand Rapids, Michigan. Dr. Bergner has been practicing medicine for over 21 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Sitosterolemia, Melorheostosis, Melorheostosis with Osteopoikilosis, and Osteopenia. Dr. Bergner is currently accepting new patients.

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

      The Cancer & Hematology Centers - Foremost Drive Ste 200

      5800 Foremost Drive Southeast, Suite 200, 
      Grand Rapids, MI 
       (7.8 miles away)
      Experience:
      24+ years
      Languages Spoken:
      English

      Aaron Zarnosky is a Physician Assistant in Grand Rapids, Michigan. Mr. Zarnosky has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Myeloproliferative Neoplasms (MPN), Vitamin B12 Deficiency, and Smoldering Multiple Myeloma.

      Showing 1-20 of 33

      Last Updated: 01/09/2026

      When should I see a Vitamin B12 Deficiency doctor near Grand Rapids, MI?

      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 Grand Rapids, MI?

      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 Grand Rapids, MI?

      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 Grand Rapids, MI?

      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 Grand Rapids, MI?

      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 Grand Rapids, MI?

      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 Grand Rapids, MI?

      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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