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).
Learn more about Dr. Glenn Preston:
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Specialties & Research
Dr. Glenn Preston, MD, PHD is board certified in Hematology and Medical Oncology.
More Specialties & Research
Education & Awards
Dr. Preston graduated from University of Missouri at Columbia.More Education & Awards
Dr. Preston has 10 hospital affiliations:
- Seton Medical Center
- Sid Peterson Memorial Hospital
Accepted Insurance Plans
Dr. Preston accepts these health insurances in at least one office:
- Aetna - 1 plan
- United Healthcare - 15 plans
- Blue Cross Blue Shield of Texas - 4 plans
- Superior Health Plan - 5 plans
- Scott and White Health Plan - 6 plans
- Humana - 12 plans
- Cigna - 7 plans
- USA H & W Network - 1 plan
More Accepted Insurance
Similar doctors nearby
- Additional Information
- Where does Dr. Glenn G. Preston practice?
Dr. Glenn Preston practices Internal Medicine, Medical Oncology, Hematology & Oncology, Hematology, and Hematology near Spencer, IA.
Additional practice locations include: Marble Falls, TX.
See Spencer Internists, Spencer Oncologists, Spencer Hematologists, and Spencer Pathologists.