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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. Marshall Spencer:

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  1. Qualifications
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Specialties & Research

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

Education & Awards

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


Dr. Spencer has 5 hospital affiliations:

  • MidMichigan Medical Center-Clare 
  • MidMichigan Medical Center-Gladwin 


  • Spanish
  • Italian
  • English

> > > > Dr. Marshall Spencer, MD

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Additional Information
Dr. Marshall Stewart Spencer MD is a male Internist, has 40 years of experience and practices in Cardiology.
Where does Dr. Marshall S. Spencer practice?
Dr. Marshall Spencer has 4 office locations.
Dr. Marshall Spencer practices Cardiology near Midland, MI.
Additional practice locations include: Lansing, MI and Detroit, MI.
See Midland Cardiologists.