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. Gregory Ostrom:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Gregory Ostrom is Excellent.
Specialties & Research
Dr. Gregory Ostrom, MD, PHD is board certified in Internal Medicine.
Education & Awards
Dr. Ostrom graduated from University of Illinois at Chicago.
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- Where does Dr. Gregory L. Ostrom practice?
Dr. Gregory Ostrom practices Internal Medicine near Hoffman Estates, IL.
See Hoffman Estates Internists.