Browse Health
Internist, Cardiologist (heart)
44 years of experience
Accepting new patients
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. Donald Zeilenga:

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  1. Qualifications
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Specialties & Research

Dr. Donald Zeilenga, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • He has special expertise in 4 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • Unstable Angina

Education & Awards

Dr. Zeilenga graduated from University of Illinois at Chicago.


Dr. Zeilenga has 5 hospital affiliations:

  • St John's Medical Center 
  • PeaceHealth St. John Hospital 

> > > > Dr. Donald Zeilenga, MD

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Additional Information
Dr. Donald W Zeilenga MD is a male Internist, has 44 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Donald W. Zeilenga practice?
Dr. Donald Zeilenga has 2 office locations.
Dr. Donald Zeilenga practices Internal Medicine and Cardiovascular Disease near Rainier, OR.
Additional practice locations include: Longview, WA.
See Rainier Internists and Rainier Cardiologists.