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 3 of 4 stars
The overall average patient rating of Dr. John Ryan is Good.
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Specialties & Research
Dr. John Ryan, MD, FACS is board certified in Surgery.
He has special expertise in 2 Areas, including Endocrine Disorders and Liver Diseases.
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Education & Awards
Dr. Ryan graduated from University of Michigan Medical School, Ann Arbor.More Education & Awards
Dr. Ryan has 2 hospital affiliations:
- Virginia Mason Medical Center
Accepted Insurance Plans
Dr. Ryan accepts these health insurances in at least one office:
- Regence Blue Cross Blue Shield - 12 plans
- Premera Blue Cross - 5 plans
- Blue Cross Blue Shield of Illinois - 1 plan
- Humana - 6 plans
- Cigna - 4 plans
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