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10000 SE Main Street,
Suite 60
Portland, OR 97216

Clinic Hours:

Monday through Friday
8 a.m.–5 p.m.



1100 Third Street
Tillamook, OR 97141

Clinic Hours:

Monday through Friday
8 a.m. - 5 p.m.


Ron Chelsky, MD


Main Profile

Naturally drawn to medicine, Dr. Chelsky found cardiology to be a constantly changing field and was excited by the new technological breakthroughs in this specialty. He even found ways to incorporate computer modeling into his organic chemistry research.

Cardiology care draws on many aspects of internal medicine. Dr. Chelsky enjoys staying up to date on how issues like kidney disease, diabetes, and rheumatology can influence heart health. He’s also passionate about getting to know patients and believes understanding them better is key to providing the best care and support for their individual needs.

Adventist Health Portland’s anticoagulation clinic is directed by Dr. Chelsky. A fellow in the American College of Cardiology, Dr. Chelsky has participated in more than 30 clinical trials and published a number of scientific papers.

In his spare time, Dr. Chelsky enjoys cooking, skiing and following his kids to musical and sporting events.

Dedicated to loving your heart: Ronald Chelsky, MD, receives Adventist Health's Cristal Angel Award

Specialties and Procedures

  • Cardiac valvular disease
  • Cardiomyopathy
  • Cardioversion
  • Clinical cardiology
  • Congestive heart failure
  • Diagnostic catheterization
  • Rhythm disorders


Medical school

University of Texas Health Science Center


Oregon Health & Science University


Oregon Health & Science University

Board certifications

American Board of Internal Medicine, cardiovascular disease (1991) and internal medicine (1988)