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John O. Schrader, M.D.
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John O. Schrader, M.D.

Interventional Cardiologist

Dr. John Schrader currently resides in Enid, OK. He is an interventional cardiologist and specializes in the diagnosis and treatment of heart and vascular disease.

Dr. Schrader received his bachelor’s and master’s degrees from the University of Nebraska in Lincoln and his medical degree from Creighton University School of Medicine. In 2008, he completed a cardiovascular interventional fellowship at the Cardiac Center at Creighton University Medical Center Department of Internal Medicine in Omaha, NE. He completed an internal medicine residency and a cardiovascular diseases fellowship through the Creighton University Medical Center.

Schrader is a member of the American College of Cardiology, American Heart Association, and the American College of Physicians.

Dr. Schrader’s office is located at the newest Cardiovascular Health Clinic site, 3201 N Van Buren, Suite 500 in Enid and can be reached at 580-616-3369. Dr. Schrader also holds clinic in Cherokee, OK and the CardioVascular Health Clinic in Oklahoma City.

"Dr. John Schrader is the most personable doctor we know. He stays on top of my dads health care and is genuinely concerned about his health. We never leave his office with questions. He answers them all. Even questions we don’t think of. Always professional but never cold or bad bedside manner. In our opinion he is THE BEST around.
Thank you Dr Schrader."

- Kathy J

Patient Resources

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Testimonials

Professional staff working in a beautiful facility with great doctors who sincerely care about their patients. Without Dr. Schmidt's skill, I would have needed heart bypass surgery instead of a stent. Follow-up has been thorough. I can't recommend them highly enough.
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LeAnn Harner

Dr. Jim Melton and all the staff are fantastic. He is an excellent surgeon and his team is GREAT!!!! I just had surgery at the surgery center, I have only great things to say about my experience. Without him I really don't think I would be here to write this. If you’re looking for a good cardiovascular team, they are a 5 star for sure.

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Susie Brooks Harrison

Dr. Parsons and staff are amazing. He truly listened to me from the consult. Staff showed genuine care for my progress post procedure. I had my follow up appointment today so satisfied with results. Blake made me comfortable from the start. He is an activist for uterine fibroids treatment beyond the standard.

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Tamara Means

Professional and caring staff. Dr. Smith is very knowledgeable and shows genuine concern for your personal health. I enjoyed the background music in the procedure room, it really adds to the relaxing atmosphere.

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David Lambert

Dr. John Schrader is the most personable doctor we know. He stays on top of my dads health care and is genuinely concerned about his health. We never leave his office with questions. He answers them all. Even questions we don’t think of. Always professional but never cold or bad bedside manner. In our opinion he is THE BEST around.
Thank you Dr Schrader.

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Kathy J

I came to Dr. Warren by a self referral for mals when it took me 8yrs 50+ doctors and thousands of dollars spent on no answers. My first visit I was scared I was just going to be gaslighted just like the past however I was pleasantly shocked when Dr. Warren immediately believed me. She took the time to review many disk I had brought from past tests. She never once dismissed me and listened to ever word I had to say. She scheduled one last test to confirm the diagnosis then I was scheduled for surgery right away. Surgery was a success and I can’t thank her and her staff enough. Dr. Warren truly saved my life.

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Angie W

Dr. Garner literally saved my life 18 months ago and I've followed him to his new practice with Cardiovascular Health. He explains things so clearly, listens and is just a very nice person. His staff is great, too! I highly recommend!

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D Watts

Some of the nicest staff that I have ever dealt with!! They have been so incredibly awesome to my mom!! Would definitely recommend them to anyone!! Thank you so much for being so great with her!!

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Christy Garvie

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