5
1 Rating
Summary
Dr. Michael Brennan is a cardiovascular disease specialist with expertise in internal medicine who has been caring for patients for over four decades. He earned his medical degree from the University of Oklahoma College of Medicine and completed his residency training at AMI Presbyterian Denver Hospital. His extensive experience spans 42 years of dedicated practice in heart and vascular care. Dr. Brennan is fluent in both English and Spanish.
Dr. Brennan practices at Sheridan Memorial Hospital and the Heart Center in Sheridan, Wyoming. He specializes in treating coronary artery disease and provides specialized care for heart disease in women. His expertise includes diagnosing heart muscle blood flow problems and performing essential heart tests like echocardiograms and EKGs. Patients have given Dr. Brennan an average rating of 5.0, reflecting their confidence in his compassionate and skilled cardiovascular care.
Dr. Brennan practices at Sheridan Memorial Hospital and the Heart Center in Sheridan, Wyoming. He specializes in treating coronary artery disease and provides specialized care for heart disease in women. His expertise includes diagnosing heart muscle blood flow problems and performing essential heart tests like echocardiograms and EKGs. Patients have given Dr. Brennan an average rating of 5.0, reflecting their confidence in his compassionate and skilled cardiovascular care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 42 years of experience
- speaks English, Spanish
- Ami Presbyterian Denver Hospital
- 2 specialties
- 13 areas of expertise
- 2 board certifications
- 3 hospital affiliations
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Michael Ward Brennan has 2 locationsHeart Center
1333 W 5th St Ste 103Sheridan, WY 82801Mon8:00 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 - 4:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 | | |  |
| Dr. Michael Ward Brennan, MD | Dr. Sundeep Kumar Ram, DO | Dr. Oscar E Mendez Busso, MD | Dr. Elise Victoria Sylar, MD |
| Cardiovascular Disease | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | |||
| 42 Years of Experience | 20 Years of Experience | 38 Years of Experience | 9 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | |||
| Sheridan , WY | Madison , WI | Miles City , MT | Sheridan , WY |
| Med School: University Of Oklahoma College Of Medicine | Med School: Lake Erie College Of Osteopathic Medicine | Med School: Universidad Nacional Mayor De San Marcos Facultad De Medicina San Fernando | Med School: University Of Washington School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Michael Ward Brennan
Medical Specialties
Dr. Michael Ward Brennan has the following 2 specialties
Specialty Expertise
Dr. Michael Ward Brennan has the following 13 areas of expertise
Certifications, License, & Education
42 Years Experience
Dr. Michael Ward Brennan holds an expired medical license in the state of Wyoming.
Medical License
Medical Doctor with an expired medical license in the state of Wyoming that expired in 2026.
Education & Training
Residency
Completed their residency at Ami Presbyterian Denver Hospital.
Medical School
Graduated from University Of Oklahoma College Of Medicine in 1984.
NPI Number
Dr. Brennan's NPI number is 1619903705.
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Frequently Asked Questions
- Is Dr. Michael Brennan accepting new patients?
- Dr. Michael Brennan is accepting new patients on Vitals. View Dr. Michael Brennan's profile on Vitals to make an appointment.
- Where is Dr. Michael Brennan's office located?
- Dr. Michael Brennan's office is located at 1333 W 5th St Ste 103, Sheridan, WY, 82801.
- How can I make an appointment with Dr. Michael Brennan?
- You can find contact information for Dr. Michael Brennan here on Vitals.
- Does Dr. Michael Brennan accept my insurance?
- You can see the insurance plans that Dr. Michael Brennan accepts on their Vitals profile.
- Which hospitals is Dr. Michael Brennan affiliated with?
- Dr. Michael Brennan is affiliated with Sheridan Memorial Hospital, St Vincent Regional Hospital, and Frances Mahon Deaconess Hospital.
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