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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- Currently 4 of 4 stars
The overall average patient rating of Dr. Henry Grainger is Excellent.
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Specialties & Research
Dr. Henry Grainger, DO, MD is board certified in Internal Medicine and Geriatric Medicine.
- He has special expertise in 4 areas:
- Acute Coronary Syndrome (ACS)
- Heart Block
- High Blood Pressure (Hypertension)
- Unstable Angina
Education & Awards
Dr. Grainger graduated from University of Missouri at Kansas City. He has 3 awards.
Dr. Grainger has 9 hospital affiliations:
- Memorial Hermann Katy Hospital
- Memorial Hermann Northwest Hospital
Accepted Insurance Plans
Dr. Grainger accepts these health insurances in at least one office:
- Molina Healthcare - 3 plans
- Unicare - 11 plans
- WellCare - 1 plan
- Humana - 18 plans