5
1 Rating
Summary
Dr. Michael Brennan treats ventricular arrhythmia, atrial fibrillation, and cardiac arrhythmia, and performs contrast echocardiography and transthoracic echocardiogram. He practices cardiology and internal medicine and has 42 years of experience. He speaks English and Spanish.
Dr. Brennan earned his medical degree from the University of Oklahoma College of Medicine and completed his residency at Ami Presbyterian Denver Hospital. He sees patients in Sheridan, Wyoming, and is affiliated with Sheridan Memorial Hospital, St. Vincent Regional Hospital, and Frances Mahon Deaconess Hospital. Patients on Vitals rate Dr. Brennan 5 out of 5.
Dr. Brennan earned his medical degree from the University of Oklahoma College of Medicine and completed his residency at Ami Presbyterian Denver Hospital. He sees patients in Sheridan, Wyoming, and is affiliated with Sheridan Memorial Hospital, St. Vincent Regional Hospital, and Frances Mahon Deaconess Hospital. Patients on Vitals rate Dr. Brennan 5 out of 5.
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
- 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. Michael J Strahan, MD | Dr. Sundeep Kumar Ram, DO | Dr. Daniel Adam Bainbridge, DO |
| Cardiology | Family Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 42 Years of Experience | 20 Years of Experience | 11 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | ||
| Sheridan , WY | Sheridan , WY | Madison , WI | Sheridan , WY |
| Med School: University Of Oklahoma College Of Medicine | Med School: Lake Erie College Of Osteopathic Medicine | Med School: Edward Via Virginia College Of Osteopathic 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
- 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.
- Does Dr. Michael Brennan accept virtual/telehealth appointments?
- Dr. Michael Brennan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- 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.
- 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.
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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