Placeholder Photo for Gregory J. Mcwilliams, DO

Specializing in cardiology, Dr. Gregory Mcwilliams offers specialized treatment plans for patients with heart & cardiovascular conditions near Tahlequah, OK.


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of Dr. Mcwilliams


Northeastern Health System  

Accepting New Patients?

Yes, Dr. Gregory J. Mcwilliams is accepting new patients at this office.


1400 E Downing Street, Tahlequah, OK 74464-3324

Office Details

Doctor Specialty Cardiology
Accepting New Patients? Yes
Practice Specialty Multi Specialty
Languages Spoken English

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Insurance Accepted  

  • Medicare

About Dr. Mcwilliams
Dr. Mcwilliams



Dr. Gregory Mcwilliams graduated from Kirksville College of Osteopathic Medicine in 1974.

Dr. Mcwilliams has one office in Oklahoma where he specializes in Cardiology.

Dr. Mcwilliams works with thirty-seven doctors including Dr. Paula Guinnip and Dr. James Higgins.


Education & Training  


Hospital Affiliations

  • Northeastern Health System
  • Cherokee Nation

Languages Spoken  

  • English
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