Overview
John Bartnik is a Hematologist Oncology specialist and a Hematologist in Saginaw, Michigan. Dr. Bartnik and is rated as an Advanced provider by MediFind in the treatment of Virilizing Ovarian Tumor. His top areas of expertise are Familial Colorectal Cancer, Lynch Syndrome, Colorectal Cancer, Paget Disease of the Breast, and Bone Marrow Aspiration. Dr. Bartnik is currently accepting new patients.
His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.
Insurance
Please contact the provider to confirm they accept your insurance or if you don't see your insurance listed.
Accepted insurance plans
- Priority Health
- Health First
- Blue Cross Blue Shield
- Aetna
- McLaren Health
- Humana
Locations
5400 Mackinaw Rd, Suite 4200, Saginaw, MI 48604
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.
Mymichigan Medical Center Alpena
Sharon Levandowski is a Hematologist Oncology specialist and a Hematologist in Midland, Michigan. Dr. Levandowski and is rated as a Distinguished provider by MediFind in the treatment of Virilizing Ovarian Tumor. Her top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Paget Disease of the Breast, Gastroesophageal Junction Cancer, and Bone Marrow Aspiration. Dr. Levandowski is currently accepting new patients.
Mymichigan Medical Center Alpena
Tannu Sahay is a Hematologist Oncology specialist and a Neurologist in Mt Pleasant, Michigan. Dr. Sahay and is rated as a Distinguished provider by MediFind in the treatment of Virilizing Ovarian Tumor. Her top areas of expertise are Familial Colorectal Cancer, Lynch Syndrome, Colorectal Cancer, and Childhood Iron Deficiency Anemia. Dr. Sahay is currently accepting new patients.
Sparrow Clinton Hospital
Hussein Ali-Ahmad is a Hematologist Oncology specialist and a Hospital Medicine provider in Saint Johns, Michigan. Dr. Ali-Ahmad and is rated as a Distinguished provider by MediFind in the treatment of Virilizing Ovarian Tumor. His top areas of expertise are Cyclic Neutropenia, Lynch Syndrome, Large-Cell Immunoblastic Lymphoma, Ovarian Carcinosarcoma, and Bone Marrow Aspiration. Dr. Ali-Ahmad is currently accepting new patients.
Areas of Expertise
When evaluating expertise, MediFind pulls from factors such as the 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.
To learn more about how MediFind determines the expertise levels, check out our expert tiers page.
- Distinguished
- Angiosarcoma
- Breast Cancer
- Childhood Iron Deficiency Anemia
- Chromophobe Renal Cell Carcinoma
- Colorectal Cancer
- Familial Colorectal Cancer
- Advanced
- Adult Immune Thrombocytopenia
- Adult Soft Tissue Sarcoma
- Agranulocytosis
- ALK-Positive Non-Small Cell Lung Cancer
- Anemia
- B-Cell Lymphoma
- Experienced
- Acute Eosinophilic Pneumonia
- Acute Mountain Sickness
- Acute Myeloblastic Leukemia with Maturation
- Acute Myeloblastic Leukemia without Maturation
- Acute Myeloid Leukemia (AML)
- Acute Myelomonocytic Leukemia