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Internist, Cardiologist (heart)
33 years of experience
Video profile
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 Hammer:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Donald Hammer is Good. Dr. Hammer has been reviewed by 5 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 3.2
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

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

  • He has special expertise in 9 areas:
  • Acute Coronary Syndrome (ACS)
  • Cardiac Edema
  • Coronary Artery Disease (CAD)
  • Dyspnea
  • Heart Block
  • Heart Disease (Myocardial Ischemia)
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Hammer graduated from The Ohio State University , Columbus.


Dr. Hammer has 2 hospital affiliations:

  • Cleveland Clinic 
  • CCHS Cleveland Clinic 


  • English

> > > > Dr. Donald Hammer, MD

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Additional Information
Dr. Donald Frank Hammer MD is a male Internist, has 33 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Donald F. Hammer practice?
Dr. Donald Hammer has 1 office location.
Dr. Donald Hammer practices Internal Medicine and Cardiovascular Disease near Cleveland, OH.
See Cleveland Internists and Cleveland Cardiologists.