The 20 Best Vitamin B12 Deficiency Doctors Near Me in green bay, WI

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 33 doctor with experience in Vitamin B12 Deficiency near green bay, WI. Of these, 31 are Experienced and 2 are Advanced.

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33 providers found
    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Vince Lombardi Cancer Clinic

    2845 Greenbrier Rd, Ste 250, 
    Green Bay, WI 
     (4.5 miles away)
    Languages Spoken:
    English, Turkish
    Accepting New Patients
    Offers Telehealth

    Demet Yasar is a Hematologist practicing medicine in Green Bay, Wisconsin. Dr. Yasar is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 23 other conditions, according to our data. Her clinical expertise encompasses Myelodysplastic Syndrome (MDS), Thrombocytopenia, ALK-Positive Non-Small Cell Lung Cancer, and Monoclonal Gammopathy of Undetermined Significance (MGUS). Dr. Yasar is board certified in American Board Of Internal Medicine, Hematology. Dr. Yasar is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    James Gast, MD

    1630 Commanche Ave, 
    Green Bay, WI 
     (4.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    James Gast is a primary care provider, practicing in Family Medicine in Green Bay, Wisconsin. Dr. Gast is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 259 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Familial Hypertension, Hypertension, and Intrauterine Device Insertion. Dr. Gast is currently accepting new patients.

    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Advanced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Green Bay Oncology, Ltd. - St. Mary Site

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Anthony Jaslowski is a Hematologist and an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Jaslowski is rated as an Advanced 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 Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, Colorectal Cancer, Bone Marrow Aspiration, and Myringotomy. Dr. Jaslowski is board certified in The American Board Of Internal Medicine - Hematology, The American Board Of Internal Medicine - Medical Oncology, American Board Of Internal Medicine, and The American Board Of Internal Medicine - Internal Medicine. Dr. Jaslowski is currently accepting new patients.

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

    Daniel Lemkuil, MD

    1630 Commanche Ave, 
    Green Bay, WI 
     (4.6 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Daniel Lemkuil is a primary care provider, practicing in Family Medicine in Green Bay, Wisconsin. Dr. Lemkuil is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, High Cholesterol, Attention Deficit Hyperactivity Disorder (ADHD), and Familial Hypertension. Dr. Lemkuil is currently accepting new patients.

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

    Loren Fuglestad, MD

    2714 Riverview Dr, 
    Green Bay, WI 
     (4.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Loren Fuglestad is a primary care provider, practicing in Family Medicine in Green Bay, Wisconsin. Dr. Fuglestad is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 80 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Hypertension, and Familial Hypertension. Dr. Fuglestad is currently accepting new patients.

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

    Alyssa Trawitzki, MD

    2714 Riverview Dr, 
    Green Bay, WI 
     (4.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Alyssa Trawitzki is a primary care provider, practicing in Family Medicine in Green Bay, Wisconsin. Dr. Trawitzki 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 Generalized Anxiety Disorder (GAD), Seasonal Affective Disorder (SAD), Obesity in Children, Familial Combined Hyperlipidemia, and Intrauterine Device Insertion. Dr. Trawitzki is currently accepting new patients.

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

    Tammy Durant, MD

    2714 Riverview Dr, 
    Green Bay, WI 
     (4.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Tammy Durant is a primary care provider, practicing in Family Medicine in Green Bay, Wisconsin. Dr. Durant is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 13 other conditions, according to our data. Her clinical expertise encompasses Seasonal Affective Disorder (SAD), High Cholesterol, Cirrhosis, Familial Combined Hyperlipidemia, and Intrauterine Device Insertion. Dr. Durant is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Green Bay Oncology, Ltd. - St. Vincent Site

    835 S Van Buren St, 
    Green Bay, WI 
     (0.8 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Brian Burnette is a Hematologist and an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Burnette is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Large-Cell Immunoblastic Lymphoma, Paget Disease of the Breast, Familial Colorectal Cancer, Chromophobe Renal Cell Carcinoma, and Bone Marrow Aspiration. Dr. Burnette is board certified in The American Board Of Internal Medicine - Hematology, The American Board Of Internal Medicine - Medical Oncology, and American Board Of Internal Medicine. Dr. Burnette is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Green Bay Oncology, Ltd. - St. Mary Site

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Matthew Ryan is a Hematologist and an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Ryan is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 57 other conditions, according to our data. His clinical expertise encompasses Lung Adenocarcinoma, Acquired Hemophilia, Chronic Lymphocytic Leukemia (CLL), Bone Marrow Aspiration, and Gastrostomy. Dr. Ryan is board certified in The American Board Of Internal Medicine - Hematology, The American Board Of Internal Medicine - Medical Oncology, and American Board Of Internal Medicine. Dr. Ryan is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Green Bay Oncology, Ltd. - St. Mary Site

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    David Groteluschen is an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Groteluschen 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 Myelodysplastic Syndrome (MDS), Richter Syndrome, Chronic Lymphocytic Leukemia (CLL), Paget Disease of the Breast, and Bone Marrow Aspiration. Dr. Groteluschen is board certified in The American Board Of Internal Medicine - Medical Oncology, American Board Of Internal Medicine, and The American Board Of Internal Medicine - Internal Medicine. Dr. Groteluschen is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Green Bay Oncology, Ltd. - St. Mary Site

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English, Arabic, French, German, Spanish
    Accepting New Patients

    Edgard Badine is a Hematologist and an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Badine 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 Pancreatoblastoma, Pleuropulmonary Blastoma, Lung Cancer, Myelodysplastic Syndrome (MDS), and Bone Marrow Aspiration. Dr. Badine is board certified in The American Board Of Internal Medicine - Hematology, The American Board Of Internal Medicine - Oncology, American Board Of Internal Medicine, and The American Board Of Internal Medicine - Internal Medicine. Dr. Badine is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Vince Lombardi Cancer Clinic

    2845 Greenbrier Rd, Ste 250, 
    Green Bay, WI 
     (4.5 miles away)
    Languages Spoken:
    English, Hindi
    Accepting New Patients
    Offers Telehealth

    Umang Gautam is a Hematologist and an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Gautam is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Lung Cancer, Pleuropulmonary Blastoma, Adult Soft Tissue Sarcoma, Clear Cell Sarcoma, and Bone Marrow Aspiration. Dr. Gautam is board certified in American Board Of Internal Medicine, Hematology. Dr. Gautam is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    Aurora BayCare Medical Center

    2845 Greenbrier Rd, 
    Green Bay, WI 
     (4.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Mullane is a Hematologist and an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Mullane is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 50 other conditions, according to our data. His clinical expertise encompasses Small Cell Lung Cancer (SCLC), Lung Cancer, Pleuropulmonary Blastoma, and Monoclonal Gammopathy of Undetermined Significance (MGUS). Dr. Mullane is board certified in American Board Of Internal Medicine, Hematology. Dr. Mullane is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    Prevea Health

    1821 S Webster Ave, 
    Green Bay, WI 
     (1.8 miles away)
    Languages Spoken:
    English, Hindi, Telugu
    Accepting New Patients

    Prasad Kanneganti is a Neurologist practicing medicine in Green Bay, Wisconsin. Dr. Kanneganti is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Limb-Girdle Muscular Dystrophy Type 1A, Limb-Girdle Muscular Dystrophy Type 2C, Limb-Girdle Muscular Dystrophy Type 2A, and Limb-Girdle Muscular Dystrophy Type 1B. Dr. Kanneganti is currently accepting new patients.

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

    Prevea St Mary's Health Center Laboratory

    1860 Shawano Ave, 
    Green Bay, WI 
     (2.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    J Christopher-Williams is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Christopher-Williams is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Vitamin D Deficiency, Sitosterolemia, High Cholesterol, Endoscopy, and Ureteroscopy. Dr. Christopher-Williams is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology
    Referral may be required

    HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Michael Volk is a Hematologist and an Oncologist practicing medicine in Green Bay, Wisconsin. Dr. Volk is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Marginal Zone Lymphoma (MZL), Non-Hodgkin Lymphoma, Myelodysplastic Syndrome (MDS), Relapsed Refractory Multiple Myeloma (RRMM), and Bone Marrow Aspiration.

    Experienced in Vitamin B12 Deficiency
    Experienced in Vitamin B12 Deficiency
    Referral may be required

    HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English

    Jules Blank is a Hematologist practicing medicine in Green Bay, Wisconsin. Dr. Blank is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 3 other conditions, according to our data. His clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Small Lymphocytic Lymphoma (SLL), Essential Thrombocythemia, Polycythemia Vera, and Bone Marrow Aspiration.

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

    St Vincent Hospital-Hospital Sisters-Third Order Of St Francis

    1715 Dousman St, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English, Hindi, Kutchi, Marathi
    Accepting New Patients

    Vaishali Gala is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Gala is rated as an Experienced 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 Hypothyroidism, Sitosterolemia, Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Gala is currently accepting new patients.

    Experienced in Vitamin B12 Deficiency
    Gastroenterology
    Experienced in Vitamin B12 Deficiency
    Gastroenterology
    Referral may be required

    St Vincent Hospital-Hospital Sisters-Third Order Of St Francis

    1715 Dousman St, 
    Green Bay, WI 
     (3.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Roland Christian is a Gastroenterologist practicing medicine in Green Bay, Wisconsin. Dr. Christian 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 Crohn's Disease, Angiodysplasia of the Colon, Gallstones, Endoscopy, and Gastrectomy. Dr. Christian is currently accepting new patients.

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

    Prevea Health

    3021 Voyager Dr, 
    Green Bay, WI 
     (4.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Daniel Ripp is a primary care provider, practicing in Internal Medicine in Green Bay, Wisconsin. Dr. Ripp is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Sitosterolemia. Dr. Ripp is currently accepting new patients.

    Showing 1-20 of 33

    Last Updated: 09/26/2026

    When should I see a Vitamin B12 Deficiency doctor near green bay, WI?

    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 green bay, WI?

    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 green bay, WI?

    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 green bay, WI?

    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 green bay, WI?

    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 green bay, WI?

    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 green bay, WI?

    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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