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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).

Patient Reviews

Patient comments (8)

The overall average patient rating of Dr. Katherine Hays, Cardiologist is Excellent. Dr. Hays has been reviewed by 17 patients who have provided 8 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
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. Katherine Hays, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • She has special expertise in 6 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • Heart Diseases
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Hays graduated from University of Oklahoma , Oklahoma City. She has 5 awards.

Patients' Choice Award (2011 - 2014)
Compassionate Doctor Recognition (2012 - 2014)
Top 10 Doctor - State (2014)
Top 10 Doctor - Metro Area (2014)
Oklahoma City Metro Area
On-Time Doctor Award (2014)


Dr. Hays has 2 hospital affiliations:

  • Norman Regional Hospital 
  • Moore Medical Center 

> > > > Dr. Katherine Hays, MD

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Additional Information
Dr. Katherine Hays MD is a female Internist, has 8 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Katherine Hays practice?
Dr. Katherine Hays has 3 office locations.
Dr. Katherine Hays practices Internal Medicine and Cardiovascular Disease near Norman, OK.
See Norman Internists and Norman Cardiologists.