Summary

Dr. Johnsen is an interventional cardiologist with expertise in cardiac catheterization, angioplasty and related interventional procedures, such as stents and atherectomy. He is Director of Cardiac Rehabilitation at Hillcrest Medical Center and Director of the Hillcrest Exercise and Lifestyle Programs. He completed his Clinical Cardiology Fellowship at the University of Oklahoma – Oklahoma City, where he then finished an extra year of dedicated training in interventional cardiology. He completed his Internal Medicine Internship and Residency training at the University of Oklahoma – Oklahoma City, where he also received his medical degree. Dr. Johnsen received his Bachelor of Science degree from Oklahoma State University.

Quick Facts

  • accepting new patients
  • 4.8
  • 38 years of experience
  • speaks English, Spanish
  • University Hospital
  • 10 written reviews
  • 2 specialties
  • 6 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. Gregory Dennis Johnsen has 2 locations

Oklahoma Heart Institute Pryor

1301 NE 1st St Ste 200Pryor, OK 74361
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Oklahoma Heart Institute Hillcrest Medical Center

1120 S Utica AveTulsa, OK 74104
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Gregory Dennis Johnsen, MDDr. Tyler Gregory Ellington, DODr. Chelsea Chnique Mcgee, DODr. Robert Parker Zoller
Interventional CardiologyCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients
4.8 
4.5 
38 Years of Experience 12 Years of Experience 20 Years of Experience 62 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English
Pryor , OKOwasso , OKWagoner , OKTulsa , OK
Med School: University Of Oklahoma College Of Medicine Med School: Oklahoma State University College Of Osteopathic Medicine Med School: Ohio University College Of Osteopathic Medicine Med School: University of Iowa
Current Profile
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Insurance Plans Accepted by Dr. Gregory Dennis Johnsen

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Gregory Dennis Johnsen has the following 2 specialties

Specialty Expertise

Dr. Gregory Dennis Johnsen has the following 6 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Cardiovascular Disease
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Certifications, License, & Education

38 Years Experience

MEDICAL LICENSE

Medical Doctor, Oklahoma, 2026, Active

EDUCATION & TRAINING

Residency

University Hospital

Medical School

University Of Oklahoma College Of MedicineGraduated in 1988

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Frequently Asked Questions

Does Dr. Gregory Johnsen accept my insurance?
You can see the insurance plans that Dr. Gregory Johnsen accepts on their Vitals profile.
Is Dr. Gregory Johnsen accepting new patients?
Dr. Gregory Johnsen is accepting new patients on Vitals. View Dr. Gregory Johnsen's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Gregory Johnsen?
You can find contact information for Dr. Gregory Johnsen here on Vitals.
Where is Dr. Gregory Johnsen's office located?
Dr. Gregory Johnsen's office is located at 1301 NE 1st St Ste 200, Pryor, OK, 74361.
Which hospitals is Dr. Gregory Johnsen affiliated with?
Dr. Gregory Johnsen is affiliated with Hillcrest Hospital South, Hillcrest Medical Center, and Hillcrest Hospital Pryor.

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