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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 (4)

The overall average patient rating of Dr. Stephen Portz is Excellent. Dr. Portz has been reviewed by 8 patients who have provided 4 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 4.2
Bedside Manner 4.8
Spends Time with Me 4.3
Follows Up After Visit 4.0

Specialties & Research

Dr. Stephen Portz, 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)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Portz graduated from University of Kansas , Kansas City. He has 3 awards.

Patients' Choice Award (2015)
Compassionate Doctor Recognition (2015)
On-Time Doctor Award (2015)


Dr. Portz has 14 hospital affiliations:

  • St Rose Dominican Hospital 
  • Desert Springs Hospital 


  • Spanish
  • English

> > > > Dr. Stephen Portz, MD

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Additional Information
Dr. Stephen Jerome Portz MD is a male Internist, has 30 years of experience and practices in Internal Medicine, Cardiovascular Disease, Cardiology, and Interventional Cardiology.
Where does Dr. Stephen J. Portz practice?
Dr. Stephen Portz has 1 office location.
Dr. Stephen Portz practices Internal Medicine, Cardiovascular Disease, Cardiology, and Interventional Cardiology near Las Vegas, NV.
See Las Vegas Internists and Las Vegas Cardiologists.