Summary

Dr. Deaglan Ocochlain is a cardiovascular disease specialist with expertise in interventional cardiology and internal medicine. He earned his medical degree from NUI Galway School of Medicine and brings 28 years of experience to his practice. Dr. Ocochlain speaks English and has dedicated nearly three decades to caring for patients with heart conditions.

Dr. Ocochlain practices at multiple Mayo Clinic Health System locations across Wisconsin and Minnesota, including facilities in Eau Claire, Rochester, Bloomer, and Menomonie. He specializes in treating heart rhythm disorders, heart block, and ventricular rhythm problems. His procedural expertise includes performing heart tests like EKGs, cardiac catheterization, and coronary angiograms to diagnose and treat heart conditions. Patients rate him 4.6 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 28 years of experience
  • speaks English
  • Nui Galway School Of Medicine
  • 3 specialties
  • 17 areas of expertise
  • 3 board certifications
  • 5 hospital affiliations
  • 6 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Deaglan Fearghas Ocochlain has 6 locations

Mayo Clinic Health System Cardiology

1400 Bellinger StEau Claire, WI 54703
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

Mayo Clinic Hospital Saint Marys Campus

1216 2nd St SwRochester, MN 55902

Mayo Clinic Health System

1221 Whipple StEau Claire, WI 54703

Mayo Clinic Health System Red Cedar In Menomonie

2321 Stout RdMenomonie, WI 54751

Mayo Clinic Hospital Methodist Campus

201 Center St WRochester, MN 55902

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Dr. Deaglan Fearghas Ocochlain, MD
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Dr. Deaglan Fearghas Ocochlain, MDDr. Thiyagarajan Thangavelu, MDDr. Margaret Ann Smith, MDDr. Peter Jon Wagner, MD
Cardiovascular DiseaseInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients
4.6 
28 Years of Experience 23 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
Eau Claire , WIEau Claire , WIChippewa Falls , WIEau Claire , WI
Med School: Nui Galway School Of Medicine Med School: Stanley Medical College Med School: University Of Wisconsin School Of Medicine And Public Health Med School: Mayo Clinic Alix School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Deaglan Fearghas Ocochlain

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Deaglan Fearghas Ocochlain has the following 3 specialties

Specialty Expertise

Dr. Deaglan Fearghas Ocochlain has the following 17 areas of expertise

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

Certifications, License, & Education

28 Years Experience

Dr. Deaglan Fearghas Ocochlain holds an expired medical license in the state of Wisconsin.

Medical License

Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025.

Education & Training

Medical School

Graduated from Nui Galway School Of Medicine in 1998.

NPI Number

Dr. Ocochlain's NPI number is 1982677274.

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Frequently Asked Questions

Is Dr. Deaglan Ocochlain accepting new patients?
Dr. Deaglan Ocochlain is accepting new patients on Vitals. View Dr. Deaglan Ocochlain's profile on Vitals to make an appointment.
Where is Dr. Deaglan Ocochlain's office located?
Dr. Deaglan Ocochlain's office is located at 1400 Bellinger St, Eau Claire, WI, 54703.
What languages does Dr. Deaglan Ocochlain speak?
Dr. Deaglan Ocochlain speaks English.
Does Dr. Deaglan Ocochlain accept my insurance?
You can see the insurance plans that Dr. Deaglan Ocochlain accepts on their Vitals profile.
Which hospitals is Dr. Deaglan Ocochlain affiliated with?
Dr. Deaglan Ocochlain is affiliated with Mayo Clinic Health System, Mayo Clinic Hospital Methodist Campus, Mayo Clinic Hospital Saint Marys Campus, Mayo Clinic Health System Chippewa Valley In Bloomer, and Mayo Clinic Health System Red Cedar In Menomonie.

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