
Overview
Michael Lehner, MD, specializes in hematology and medical oncology at MercyOne North Iowa Cancer Center. His clinical interests include treating malignancies of the chest (thoracic) and urinary and reproductive systems. He’s passionate about community care and is grateful to have the opportunity to serve Mason City and its surrounding area. He’s an advocate for all of his patients and strives to support them and their families while he cares for them. Outside of work, Dr. Lehner enjoys spending time with his family outdoors and loves to cook with ventures into barbecue and pizza making.
His clinical expertise encompasses Paraneoplastic Cerebellar Degeneration, Teratoma of the Mediastinum, and Testicular Yolk Sac Tumor.
Dr. Lehner is board certified in American Board Of Internal Medicine. He is actively involved in clinical research, co-authoring 7 peer reviewed articles. Dr. Lehner is currently accepting new patients.
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
1000 4th St. SW, Mason City, IA 50401
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
MercyOne North Iowa Cancer Center
Flavio Kruter, MD, is a board-certified oncologist specializing in hematology oncology at MercyOne North Iowa Cancer Center. Conditions he frequently treats include: All types of cancerBlood disorders unrelated to cancerDr. Kruter approaches your care from different angles and sees you as a whole person. He addresses not only your specific disease but also how it affects you emotionally, socially and financially. He strives to make sure that you understand your disease and also why specific treatment is recommended. Dr. Kruter believes that you and your family are part of the decision process from the very beginning.In his free time, he happily spends time with his wife, children and grandchildren. He also enjoys reading, traveling and biking. He played soccer until his mid-fifties and continues to be a big soccer fan and likes watching soccer matches with his children and friends. Dr. Kruter is highly rated in 79 conditions, according to our data. His clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Hemangioma Thrombocytopenia Syndrome, Essential Thrombocythemia, and Bone Marrow Aspiration. Dr. Kruter is board certified in American Board Of Internal Medicine, Subspecialty In Medical Oncology. Dr. Kruter is currently accepting new patients.
MercyOne North Iowa Cancer Center
Jenny Castle has a passion for working with those that have a history of cancer or who may have increased risk for cancer. When she was a teenager, her dad was diagnosed with pancreatic cancer. That experience shaped her and prompted her interest in the nursing field. Cancer survivors and their families have a unique set of needs, which are addressed during ongoing care within the Survivorship Clinic. She enjoys helping individuals understand personal risk of cancer and adapting care recommendations based on risk to help them live their healthiest life. Dr. Castle is highly rated in 15 conditions, according to our data. Her clinical expertise encompasses Breast Cancer, Paget Disease of the Breast, Colorectal Cancer, and Familial Colorectal Cancer. Dr. Castle is board certified in American Nurses Credentialing Center. Dr. Castle is currently accepting new patients.
MercyOne North Iowa Cancer Center
After helping care for a family member who was diagnosed with cancer, Heidi Smith knew that cancer care was how she wanted to spend the rest of career. She went back to school after being a nurse for 18 years and became an Advanced Registered Nurse Practitioner (ARNP). She feels blessed to be able to help cancer patients and their families navigate their cancer diagnosis and treatments. Heidi also feels fortunate that patients allow her to be on this journey with them. She looks forward to being able to make an impact for the people she serves. Dr. Smith is highly rated in 24 conditions, according to our data. Her clinical expertise encompasses Chronic Lymphocytic Leukemia (CLL), Lung Cancer, Pleuropulmonary Blastoma, and Small Cell Lung Cancer (SCLC). Dr. Smith is currently accepting new patients.
Frequently Asked Questions about Dr. Michael J. Lehner
How do I make an appointment with Dr. Michael J. Lehner?
You can book an appointment with Dr. Michael J. Lehner by calling their office at 641-428-6320. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Michael J. Lehner a top-rated expert for Paraneoplastic Cerebellar Degeneration?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Michael J. Lehner is classified as an Experienced expert for Paraneoplastic Cerebellar Degeneration, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Michael J. Lehner specialize in?
While Dr. Michael J. Lehner is a Hematology Oncology, they have specific expertise in Paraneoplastic Cerebellar Degeneration, Teratoma of the Mediastinum, and Testicular Yolk Sac Tumor. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology Oncology.
Does Dr. Michael J. Lehner participate in research or clinical trials?
Yes. Dr. Michael J. Lehner has published 7 articles and abstracts on conditions like Paraneoplastic Cerebellar Degeneration. You can view a list of Dr. Michael J. Lehner's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Michael J. Lehner accept my insurance?
Dr. Michael J. Lehner accepts most major insurance plans, including Anthem BCBS and Blue Cross Blue Shield. We recommend calling the office directly at 641-428-6320 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Paraneoplastic Cerebellar DegenerationDr. Lehner isExperienced. Learn about Paraneoplastic Cerebellar Degeneration.
- Teratoma of the MediastinumDr. Lehner isExperienced. Learn about Teratoma of the Mediastinum.
- Testicular Yolk Sac TumorDr. Lehner isExperienced. Learn about Testicular Yolk Sac Tumor.


