Browse Health
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. Demosthenis Klonis:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (8)

The overall average patient rating of Dr. Demosthenis Klonis is Average. Dr. Klonis has been reviewed by 14 patients who have provided 8 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.2
Promptness 2.7
Courteous Staff 3.7
Accurate Diagnosis 3.1
Bedside Manner 3.2
Spends Time with Me 3.3
Follows Up After Visit 2.9

Specialties & Research

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

Education & Awards

Dr. Klonis graduated from University of North Texas, Fort Worth.


Dr. Klonis has 3 hospital affiliations:

  • Presbyterian Hospital 
  • Kaseman Presby Hosp 
  • Mountainview Regional Hospital 


  • Greek
  • English

> > > > Dr. Demosthenis Klonis, DO

Similar doctors nearby

Dr. Marcellin Simard

Internal Medicine
36 years experience
Santa Fe, NM

Dr. C Grant La Farge

Cardiovascular Disease
Santa Fe, NM

Dr. William Bailey

Cardiovascular Disease
25 years experience
Santa Fe, NM

Dr. R Stamm

Cardiovascular Disease
34 years experience
Santa Fe, NM

Dr. Abner Delman

Internal Medicine
Santa Fe, NM

Dr. William Kuchar

48 years experience
Pecos, NM
Search All Similar Doctors
Additional Information
Dr. Demosthenis W Klonis DO is a male Internist, has 28 years of experience and practices in Cardiovascular Disease.
Where does Dr. Demosthenis W. Klonis practice?
Dr. Demosthenis Klonis has 3 office locations.
Dr. Demosthenis Klonis practices Cardiovascular Disease near Santa Fe, NM.
Additional practice locations include: Oklahoma City, OK.
See Santa Fe Cardiologists.