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. Ellen Gryniewicz:
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Specialties & Research
Dr. Ellen Gryniewicz, MD is board certified in Family Medicine.
Education & Awards
Dr. Gryniewicz graduated from University of Michigan Medical School, Ann Arbor.
Dr. Gryniewicz has 5 hospital affiliations:
- Saint Joseph Mercy Saline Hospital
- St. Joseph Mercy Oakland
Accepted Insurance Plans
Dr. Gryniewicz accepts these health insurances in at least one office:
- Aetna - 1 plan
- Health Alliance Plan of Michigan - 8 plans
- Blue Cross Blue Shield of Michigan - 14 plans
- Great-West Healthcare - 1 plan
- Humana - 9 plans
- Priority Health - 1 plan
- HealthPlus of Michigan - 13 plans
- Medicare - 1 plan