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For more than 10 years, Northeast Oklahoma Heart Center has been a regional leader in cardiothoracic surgery and heart care. Committed to high quality and superior outcomes, our team maintains years of specialized clinical experience, and is dedicated to caring for patients with skill and compassion. Our medical providers deliver a team-oriented approach to patient heart issues, with a high level of technical expertise.

Northeast Oklahoma Heart Center has been recognized by CareChex (a leading authority on clinical quality) as a "Top 10% Cardiovascular Care" program in the nation. CareChex provides clinical, financial, and patient satisfaction findings to consumers, providers, and purchasers of U.S. medical care. Unlike other publicly available quality ratings, CareChex provides a comprehensive evaluation of inpatient hospital quality performance using a variety of outcomes of care measures, expressed as a composite quality score (CQS).




Years of Experience

NHC Patients

Annual Procedures Performed

Happy Staff



Dr. Jack Casas

Interventional Cardiologist

Dr. George Cohlmia

Cardiovascular Surgeon

Dr. Neil Agrawal

Non-Invasive Cardiologist

Carla Hayes

Nurse Practitioner


"NHC is serious about offering exceptional healthcare. The national rankings they receive prove that they are making positive strides ..."

Dr. Charles Gosnell

"NHC saved my husband's life. 

The staff is exceptional and the providers

go above and beyond. Dr. Cohlmia came to our room at 3:00a.m. just to make sure we had everything we needed."

SueAnn Freeman

"If you don't have your health, you have nothing. NHC provides outstanding cardiac care to our Cherokee citizens daily.  We are thankful to be able to have a service like the heart center right here in Tahlequah" 

Principal Chief of the Cherokee Nation

Bill John Baker



Our Address

1373 E. Boone Street 

Tahlequah, OK 74464

Tel: 918-229-1431

Opening Hours

Monday – Friday  

8:00a.m. - 4:30p.m.