Summary

Dr. Thomas Ohalloran is a cardiovascular specialist with 29 years of experience treating heart and blood vessel conditions. He earned his medical degree from University College Dublin School of Medicine and Medical Science before establishing his practice in cardiovascular disease. Dr. Ohalloran speaks English and has dedicated nearly three decades to helping patients manage complex heart conditions.

Dr. Ohalloran practices at Mount Auburn Hospital and sees patients in Cambridge and Milton, Massachusetts. He specializes in treating heart rhythm disorders such as cardiac arrhythmia, supraventricular tachycardia, and atrial fibrillation. His expertise includes performing electrocardiograms, contrast echocardiography, and transthoracic echocardiograms to diagnose and monitor heart conditions. Patients rate Dr. Ohalloran 3.0 out of 5 stars on average.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3
  • 29 years of experience
  • 38 insurance plans accepted
  • speaks English
  • University College Dublin School Of Medicine And Medical Science
  • 1 written review
  • 1 specialty
  • 13 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Thomas David Ohalloran has 2 locations

Mount Auburn Cardiology Associates Inc

300 Mount Auburn St Ste 310Cambridge, MA 02138
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Beth Israel Deaconess Hospital Milton

199 Reedsdale RdMilton, MA 02186

Compare with Similar Doctors

Dr. Thomas David Ohalloran, MD
Dr. Dana Weisshaar, MD
Jeanne M Colton
Dr. David Michael Dudzinski, MD
Dr. Thomas David Ohalloran, MDDr. Dana Weisshaar, MDJeanne M ColtonDr. David Michael Dudzinski, MD
Cardiovascular DiseaseCardiovascular DiseaseNurse PractitionerCritical Care Medicine
Accepts New Patients Accepts New Patients
29 Years of Experience 37 Years of Experience 20 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks Spanish, English
Cambridge , MACambridge , MASouth Weymouth , MABoston , MA
Med School: University College Dublin School Of Medicine And Medical Science Med School: University of Toledo Medical School Med School: Harvard Medical School
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Thomas David Ohalloran

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • AARP - HMO
  • Aetna
  • AmeriGroup
  • Assurant Health
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Minnesota
  • Blue Cross Blue Shield of Texas
  • CBA Blue
  • Cigna
  • Commonwealth Care Alliance
  • Fallon Community Health Plan (FCHP)
  • First Choice Health
  • First Health (Coventry Health Care)
  • GEHA
  • Harvard Pilgrim Health Care
  • Harvard Pilgrim Health Care - HMO
  • HealthPartners
  • Humana
  • MagnaCare
  • Mass General Brigham Health Plan
  • MassHealth - Medicaid (Managed)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Neighborhood Health Plan
  • Senior Whole Health
  • STLDentalPlan| LLC
  • Tricare
  • Tufts Health Plan
  • UniCare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • Well Sense Health Plan
  • Wellcare

Medical Specialties

Dr. Thomas David Ohalloran has the following specialty

Specialty Expertise

Dr. Thomas David Ohalloran has the following 13 areas of expertise

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

Certifications, License, & Education

29 Years Experience

MEDICAL LICENSE

Medical Doctor, Massachusetts, 2026, Active

EDUCATION & TRAINING

Medical School

University College Dublin School Of Medicine And Medical ScienceGraduated in 1997

Similar doctors

Frequently Asked Questions

Where is Dr. Thomas Ohalloran's office located?
Dr. Thomas Ohalloran's office is located at 300 Mount Auburn St Ste 310, Cambridge, MA, 02138.
How can I make an appointment with Dr. Thomas Ohalloran?
You can find contact information for Dr. Thomas Ohalloran here on Vitals.
Which hospitals is Dr. Thomas Ohalloran affiliated with?
Dr. Thomas Ohalloran is affiliated with Mount Auburn Hospital.
Does Dr. Thomas Ohalloran accept my insurance?
You can see the insurance plans that Dr. Thomas Ohalloran accepts on their Vitals profile.
Is Dr. Thomas Ohalloran accepting new patients?
Dr. Thomas Ohalloran is accepting new patients on Vitals. View Dr. Thomas Ohalloran's profile on Vitals to make an appointment.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.