A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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Specialties & Research
Dr. Glenn Preston, MD, PHD is board certified in Hematology and Medical Oncology.
Education & Awards
Dr. Preston graduated from University of Missouri at Columbia.
Dr. Preston has 10 hospital affiliations:
- Sid Peterson Memorial Hospital
- Seton Medical Center
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- Additional Information
- Dr. Glenn Geoffrey Preston MD and PHD is a male Internist, has 15 years of experience and practices in Internal Medicine, Medical Oncology, and Hematology.
- Where does Dr. Glenn G. Preston practice?
- Dr. Glenn Preston has 2 office locations.
Dr. Glenn Preston practices Internal Medicine, Medical Oncology, and Hematology near Spencer, IA.
Additional practice locations include: Marble Falls, TX.
See Spencer Internists, Spencer Oncologists, and Spencer Hematologists.