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. Gordon Ohning, MD, PHD is board certified in Internal Medicine and Gastroenterology.
He has special expertise in 2 Areas, including Irritable Bowel Syndrome and Peptic Ulcer.
More Specialties & Research
Education & Awards
Dr. Ohning graduated from Case Western Reserve University , Cleveland.More Education & Awards
Dr. Ohning has 6 hospital affiliations:
- John Muir Medical Center, Walnut Creek Campus
- UCLA Medical Center