> > > > Dr. Marshall Spencer, MD
Dr. Marshall Stewart Spencer MD is a male Internist, has 38 years of experience and practices in Cardiology.
Dr. Marshall Spencer has 5 office locations.
805 S Oakland St
Suite 400
Saint Johns, MI 48879

Phone Number
Locations and availability (5)
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

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

Education & Awards

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


Dr. Spencer has 5 hospital affiliations:

  • Gratiot Medical Center 
  • Hayes Green Beach Memorial Hospital 


  • Italian
  • Spanish

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Additional Information
Where does Dr. Marshall S. Spencer practice?
Dr. Marshall Spencer practices Cardiology near Saint Johns, MI.
Additional practice locations include: Midland, MI and Lansing, MI.
See Saint Johns Cardiologists.