> > > > Dr. Mark Hattenhauer, MD
Dr. Mark Thomas Hattenhauer MD is a male Internist, has 44 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Video profile
Dr. Mark Hattenhauer has 2 office locations.
New West Side
St John's Medical Center
1615 Delaware St
Longview, WA 98632

Phone Number
Locations and availability (2)
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).

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Specialties & Research

Dr. Mark Hattenhauer, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • Interventional Cardiology
  • Unstable Angina

Education & Awards

Dr. Hattenhauer graduated from Oregon Health & Science University, Portland.


Dr. Hattenhauer has 12 hospital affiliations:

  • Oregon Health & Science University Hospitals And Clinics 
  • St John's Medical Center 

Accepted Insurance Plans

Dr. Hattenhauer accepts these health insurances in at least one office:

  • Providence Health Plan - 14 plans
  • Regence Blue Cross Blue Shield - 16 plans
  • Community Health Plan of Washington - 8 plans
  • ODS Health Plans - 5 plans
  • Humana - 10 plans
  • Cigna - 4 plans

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Additional Information
Where does Dr. Mark T. Hattenhauer practice?
Dr. Mark Hattenhauer practices Internal Medicine and Cardiovascular Disease near Longview, WA.
Additional practice locations include: Lake Oswego, OR.
See Longview Internists and Longview Cardiologists.