4.2
10 Ratings with 2 written Reviews
Summary
With 31 years in thoracic surgery, cardiovascular surgery, and cardiology, Dr. John Grehan treats myocarditis, coronary artery disease, and coronary artery disease in women, and performs cardiovascular and thoracic surgery and heart surgery. He is affiliated with Allina Health United Hospital Hastings Regina Campus.
Dr. Grehan earned his MD from the University of Minnesota Medical School and sees patients in Sioux Falls, South Dakota.
Dr. Grehan earned his MD from the University of Minnesota Medical School and sees patients in Sioux Falls, South Dakota.
Overview based on verified provider data
Quick Facts
- 31 years of experience
- 13 insurance plans accepted
- speaks English
- University Of Minnesota Medical School
- 2 written reviews
- 4 specialties
- 8 areas of expertise
- 1 hospital affiliation
- 1 office location
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Location
Sanford Cardiac, Thoracic & Vascular Surgery Clinic
1301 W 18th StSioux Falls, SD 57105 Tel: (605) 312-2100
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  | | |
| John Grehan, MD | Kelli Jo Kolander | Shawn Marie Myhre | Dr. Pradeeksha Mukuntharaj |
| Thoracic Surgery | Nurse Practitioner | Nurse Practitioner | Pediatrics |
| Accepts New Patients | |||
| 31 Years of Experience | 5 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Sioux Falls , SD | Sioux Falls , SD | Sioux Falls , SD | Sioux Falls , SD |
| Med School: University Of Minnesota Medical School | Med School: Government Medical College Akola | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by John Grehan
Medical Specialties
John Grehan has the following 4 specialties
Specialty Expertise
John Grehan has the following 8 areas of expertise
Certifications, License, & Education
31 Years Experience
John Grehan holds an active medical license in the states of South Dakota and Minnesota.
Medical License
Medical Doctor with an active medical license in the state of South Dakota that expires in 2027 and an active medical license in the state of Minnesota that expires in 2026.
Education & Training
Medical School
Graduated from University Of Minnesota Medical School in 1995.
NPI Number
John Grehan's NPI number is 1275549784.
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Frequently Asked Questions
- How can I make an appointment with John Grehan?
- You can find contact information for John Grehan here on Vitals.
- What languages does John Grehan speak?
- John Grehan speaks English.
- Is John Grehan accepting new patients?
- John Grehan has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does John Grehan accept my insurance?
- You can see the insurance plans that John Grehan accepts on their Vitals profile.
- Does John Grehan accept virtual/telehealth appointments?
- John Grehan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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