Summary

Dr. Brennan graduated from the University of Oklahoma College of Medicine in 1984. He works in Sheridan, WY and 1 other location and specializes in Cardiovascular Disease and Internal Medicine. Dr. Brennan is affiliated with Sheridan Memorial Hospital.

Quick Facts

  • accepting new patients
  • 5
  • 42 years of experience
  • 56 insurance plans accepted
  • speaks English, Spanish
  • Ami Presbyterian Denver Hospital
  • 2 specialties
  • 13 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Michael Ward Brennan has 2 locations

Heart Center

1333 W 5th St Ste 103Sheridan, WY 82801
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 - 4:00 pm
SatClosed
SunClosed

Sheridan Memorial Hospital

1401 W 5th StSheridan, WY 82801

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Dr. Michael Ward Brennan, MDAmanda Marie McintireDr. Michael Darby Pettersen, MDDr. Rita Cherni-Smith, MD
Cardiovascular DiseaseNurse PractitionerCardiovascular DiseaseInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
42 Years of Experience 32 Years of Experience 43 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish
Sheridan , WYSheridan , WYDenver , COSheridan , WY
Med School: University Of Oklahoma College Of Medicine Med School: Mayo Clinic Alix School Of Medicine Med School: Mcgovern Medical School At The Univ Of Texas Health Science Ctr At Houston
Current Profile
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Insurance Plans Accepted by Dr. Michael Ward Brennan

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • AARP - Medicare
  • Aetna
  • Aetna - Medicare
  • Aflac
  • Allegiance Life and Health
  • Anthem Blue Cross
  • Anthem Blue Cross - Medicare
  • Anthem Blue Cross Blue Shield
  • APWU
  • Avesis
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Wyoming
  • BLUE CROSS of CALIFORNIA
  • Blue Cross of Idaho
  • Blue Shield of California
  • CHAMPVA
  • CHAMPVA - HMO
  • Christian Healthcare Ministries
  • Cigna
  • Dean Health Plan
  • GEHA
  • Golden Rule
  • Humana
  • Humana - Medicare
  • Kaiser Permanente
  • Lasso Healthcare
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medical Mutual
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare - Medicaid
  • Mountain Health Co-Op
  • Mutual of Omaha
  • Premera Blue Cross
  • Premera Blue Cross - Medicare
  • SAMBA
  • Security Life
  • State Farm
  • STLDentalPlan| LLC
  • Transamerica
  • Travelers
  • Tricare
  • Tricare - Medicare
  • Triwest Healthcare Alliance
  • United American
  • United American - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • UnitedHealthcare Oxford - Medicare
  • University of Utah Health Plans

Medical Specialties

Dr. Michael Ward Brennan has the following 2 specialties

Specialty Expertise

Dr. Michael Ward Brennan has the following 13 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Cholesterol
  • Hypertension
  • Internal Medicine
  • Stroke
  • Unstable Angina

Certifications, License, & Education

42 Years Experience

MEDICAL LICENSE

Medical Doctor, Wyoming, 2026, Active

EDUCATION & TRAINING

Residency

Ami Presbyterian Denver Hospital

Medical School

University Of Oklahoma College Of MedicineGraduated in 1984

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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.
Which hospitals is Dr. Michael Brennan affiliated with?
Dr. Michael Brennan is affiliated with Sheridan Memorial Hospital.
What languages does Dr. Michael Brennan speak?
Dr. Michael Brennan speaks English and Spanish.
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.

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