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

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 273 doctor with experience in Vitamin B12 Deficiency near Janesville, WI. Of these, 264 are Experienced, 7 are Advanced and 2 are Distinguished.

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273 providers found
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    West Bend Health Center

    1700 W. Paradise Dr., 
    West Bend, WI 
    Languages Spoken:
    English, Croatian, Serbian
    Accepting New Patients
    Offers Telehealth

    Zoran Gajic is a primary care provider, practicing in Internal Medicine in West Bend, Wisconsin. Dr. Gajic 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 Lung Cancer, Hypothyroidism, Hypertension, and Familial Hypertension. Dr. Gajic is board certified in Internal Medicine. Dr. Gajic is currently accepting new patients.

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

    Center For Advanced Care - Froedtert Hospital

    8900 W. Doyne Ave., 
    Milwaukee, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    David King is an Orthopedics provider practicing medicine in Milwaukee, Wisconsin. Dr. King is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses Epithelioid Sarcoma, Rhabdomyosarcoma Embryonal, Mesenchymoma, Hip Replacement, and Knee Replacement. Dr. King is board certified in General Orthopaedics. Dr. King is currently accepting new patients.

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

    Ascension All Saints - Union Grove - Family Medicine

    1120 Main St, 
    Union Grove, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Laurie Potratz is a primary care provider, practicing in Family Medicine in Union Grove, Wisconsin. Dr. Potratz 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 Multiple Carboxylase Deficiency, Vitamin B12 Deficiency Anemia, Folate Deficiency, and Subacute Combined Degeneration. Dr. Potratz is board certified in The American Board Of Family Medicine - Family Medicine. Dr. Potratz is currently accepting new patients.

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

    West Bend Health Center

    1700 W. Paradise Dr., 
    West Bend, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nicole Klausmeier is a primary care provider, practicing in Internal Medicine in West Bend, Wisconsin. Dr. Klausmeier is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Obesity in Children, Melorheostosis with Osteopoikilosis, and Melorheostosis. Dr. Klausmeier is board certified in Internal Medicine. Dr. Klausmeier is currently accepting new patients.

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

    Sargeant Health Center

    840 North 87th St., 
    Milwaukee, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Laura Kleczka is a primary care provider, practicing in Internal Medicine in Milwaukee, Wisconsin. Dr. Kleczka is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Diabetic Nephropathy. Dr. Kleczka is board certified in Internal Medicine. Dr. Kleczka is currently accepting new patients.

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

    Calhoun Health Center

    1905 N. Calhoun Rd., 
    Brookfield, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Michael Schneider is a primary care provider, practicing in Internal Medicine in Brookfield, Wisconsin. Dr. Schneider 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 Crohn's Disease, Vitamin B12 Deficiency Anemia, Folate Deficiency, and Multiple Carboxylase Deficiency. Dr. Schneider is board certified in Internal Medicine. Dr. Schneider 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

    W180N11070 River Ln, 
    Germantown, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Timothy Goggins is a Hematologist and an Oncologist practicing medicine in Germantown, Wisconsin. Dr. Goggins 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 Non-Hodgkin Lymphoma, Colorectal Cancer, Familial Colorectal Cancer, and Testicular Yolk Sac Tumor. Dr. Goggins is board certified in American Board Of Internal Medicine, Hematology. Dr. Goggins 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

    855 N Westhaven Dr, 
    Oshkosh, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Hassaan Jafri is a Hematologist and an Oncologist practicing medicine in Oshkosh, Wisconsin. Dr. Jafri is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His clinical expertise encompasses Saddle Pulmonary Embolism, Follicular Lymphoma, Malabsorption, ALK-Positive Non-Small Cell Lung Cancer, and Salpingo-Oophorectomy. Dr. Jafri is board certified in American Board Of Internal Medicine, Hematology. Dr. Jafri is currently accepting new patients.

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

    Ascension Medical Group WI - Menomonee Falls - Family Medicine

    N88w14275 Main St, Ste 200, 
    Menomonee Falls, WI 
    Languages Spoken:
    English, Hmong, Spanish
    Accepting New Patients
    Offers Telehealth

    Michael Martella is a primary care provider, practicing in Family Medicine in Menomonee Falls, Wisconsin. Dr. Martella 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 Camptocormism, Conversion Disorder, Maturity Onset Diabetes of the Young, and Type 2 Diabetes (T2D). Dr. Martella is board certified in American Osteopathic Board Of Family Physicians - Family Medicine. Dr. Martella is currently accepting new patients.

    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 
    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
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Aurora Internal Medicine

    3003 W Good Hope Rd, 
    Milwaukee, WI 
    Languages Spoken:
    English
    Accepting New Patients

    Jeffrey Bahr is a primary care provider, practicing in Internal Medicine in Milwaukee, Wisconsin. Dr. Bahr is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 454 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, High Cholesterol, and Intrauterine Device Insertion. Dr. Bahr is board certified in American Board Of Internal Medicine. Dr. Bahr is currently accepting new patients.

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

    Office

    116 N Dodge St Ste 8, 
    Burlington, WI 
    Languages Spoken:
    English
    Accepting New Patients

    Syed Haider is an Oncologist practicing medicine in Burlington, Wisconsin. Dr. Haider is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Hemangioma Thrombocytopenia Syndrome, Breast Cancer, Paget Disease of the Breast, and Thrombocytopenia. Dr. Haider is currently accepting new patients.

    Distinguished in Vitamin B12 Deficiency
    Family Medicine
    Distinguished in Vitamin B12 Deficiency
    Family Medicine

    ThedaCare PhysiciansWaupaca

    710 Riverside Drive, 
    Waupaca, WI 
    Languages Spoken:
    English, German
    Accepting New Patients

    Paul Sletten is a primary care provider, practicing in Family Medicine in Waupaca, Wisconsin. Dr. Sletten is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Glossitis, Pernicious Anemia, Vitamin B12 Deficiency, and Subacute Combined Degeneration. Dr. Sletten is board certified in Family Medicine, American Board Of Family Medicine (1985). Dr. Sletten 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 
    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.

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

    New Richmond Clinic, Westfields Hospital & Clinic

    535 Hospital Rd, 
    New Richmond, WI 
    Languages Spoken:
    English
    Accepting New Patients

    David Degear is a primary care provider, practicing in Family Medicine in New Richmond, Wisconsin. Dr. Degear 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 Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Headache, and Vertigo. Dr. Degear is board certified in American Board Of Family Medicine. Dr. Degear 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 
    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.

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

    Vince Lombardi Cancer Clinic

    6811 118th Ave, 
    Kenosha, WI 
    Languages Spoken:
    English, Hindi, Urdu
    Accepting New Patients
    Offers Telehealth

    Malik Bandealy is a Hematologist and an Oncologist practicing medicine in Kenosha, Wisconsin. Dr. Bandealy is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 81 other conditions, according to our data. His clinical expertise encompasses Angiosarcoma, Paget Disease of the Breast, Thrombocytopenia, and Adult Immune Thrombocytopenia. Dr. Bandealy is board certified in American Board Of Internal Medicine, Hematology. Dr. Bandealy is currently accepting new patients.

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

    Mayo Clinic Health System Chippewa Valley In Bloomer

    1501 Thompson St, 
    Bloomer, WI 
    Languages Spoken:
    English
    Accepting New Patients

    Kristen Bruxvoort is a primary care provider, practicing in Family Medicine in Bloomer, Wisconsin. Dr. Bruxvoort is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Postmenopausal Osteoporosis, Osteoporosis, Hypothyroidism, and Chronic Cough. Dr. Bruxvoort is currently accepting new patients.

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

    Bellin Psychiatric Center Inc

    2820 Roosevelt Rd, 
    Marinette, WI 
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Charles Heyka is a primary care provider, practicing in Family Medicine in Marinette, Wisconsin. Dr. Heyka is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 99 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Type 2 Diabetes (T2D), Familial Combined Hyperlipidemia, Xanthoma, and Intrauterine Device Insertion. Dr. Heyka is currently accepting new patients.

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

    Pawneet Singh, MD

    218 S US Highway 141, 
    Crivitz, WI 
    Languages Spoken:
    English, Hindi, Punjabi, Urdu
    Accepting New Patients

    Pawneet Singh is a primary care provider, practicing in Family Medicine in Crivitz, Wisconsin. Dr. Singh 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 High Cholesterol, Type 2 Diabetes (T2D), Heart Failure with Preserved Ejection Fraction (HFpEF), and Familial Hypertension. Dr. Singh is currently accepting new patients.

    Showing 1-20 of 273

    Last Updated: 09/26/2026

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