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License & Identifications

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. Marian Oleszkowicz:

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Specialties & Research

Dr. Marian Oleszkowicz, MD is board certified in Internal Medicine.

  • She has special expertise in 5 areas:
  • Diabetes
  • Diabetes Complications
  • Flu (Human Influenza)
  • Lipid Disorders
  • Osteoporosis

Education & Awards

Dr. Oleszkowicz graduated from Michigan State University , East Lansing.


Dr. Oleszkowicz has 10 hospital affiliations:

  • Spectrum Health Medical Center 
  • Zeeland Community Hospital 

> > > > Dr. Marian Oleszkowicz, MD

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Additional Information
Dr. Marian E Oleszkowicz MD is a female Internist, has 26 years of experience and practices in Internal Medicine.
Where does Dr. Marian E. Oleszkowicz practice?
Dr. Marian Oleszkowicz has 3 office locations.
Dr. Marian Oleszkowicz practices Internal Medicine near Grand Rapids, MI.
See Grand Rapids Internists.