Summary

Dr. Mark Oconnor specializes in cardiovascular disease and internal medicine, bringing 14 years of experience to his practice. He earned his medical degree from the University of Massachusetts Medical School, where he developed expertise in treating heart conditions and providing comprehensive internal medicine care. Dr. Oconnor communicates with patients in English.

Dr. Oconnor practices at UMass Memorial Medical Center and sees patients in Sterling, MA. He treats heart rhythm disorders such as atrial fibrillation and supraventricular tachycardia. His diagnostic services include ambulatory EKG monitoring and blood work to assess heart health. Patients have given him an average rating of 5.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • 5
  • 14 years of experience
  • 24 insurance plans accepted
  • speaks English
  • University Of Massachusetts Medical School
  • 5 written reviews
  • 2 specialties
  • 1 area of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Location

Saint Vincent Medical Group - Cardiology

100 Leominster Rd.Sterling, MA 01564
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

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Dr. Mark Joseph Oconnor, MD
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Dr. Mark Joseph Oconnor, MDDr. Dana Weisshaar, MDDr. Alison K DuganDr. Wen Chin Ko
Cardiovascular DiseaseCardiovascular DiseaseInternal MedicineCardiovascular Disease
Accepts New Patients
14 Years of Experience 37 Years of Experience 41 Years of Experience 38 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
Sterling , MACambridge , MAWorcester , MAWORCESTER , MA
Med School: University Of Massachusetts Medical School Med School: University of Toledo Medical School Med School: Queens Univ Fac Of Med Med School: China Medical University
Current Profile
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Insurance Plans Accepted by Dr. Mark Joseph Oconnor

  • AARP
  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Texas
  • CHAMPVA - HMO
  • Cigna
  • Fallon Community Health Plan (FCHP)
  • GEHA
  • GEHA - PPO
  • Harvard Pilgrim Health Care
  • Humana
  • MassHealth - Medicaid (Managed)
  • Medicaid
  • Medicaid - Workers’ Compensation
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • PreferredOne
  • Senior Whole Health
  • Tufts Health Plan
  • UnitedHealthcare

Medical Specialties

Dr. Mark Joseph Oconnor has the following 2 specialties

Specialty Expertise

Dr. Mark Joseph Oconnor has the following area of expertise

  • Internal Medicine

Certifications, License, & Education

14 Years Experience

Dr. Mark Joseph Oconnor holds an active medical license in the state of Massachusetts.

Medical License

Medical Doctor with an active medical license in the state of Massachusetts that expires in 2027.

Education & Training

Medical School

Graduated from University Of Massachusetts Medical School in 2012.

NPI Number

Dr. Oconnor's NPI number is 1215297270.

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Frequently Asked Questions

What languages does Dr. Mark Oconnor speak?
Dr. Mark Oconnor speaks English.
Where is Dr. Mark Oconnor's office located?
Dr. Mark Oconnor's office is located at 100 Leominster Rd., Sterling, MA, 01564.
Which hospitals is Dr. Mark Oconnor affiliated with?
Dr. Mark Oconnor is affiliated with Umass Memorial Medical Center.
Is Dr. Mark Oconnor accepting new patients?
Dr. Mark Oconnor has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Mark Oconnor accept virtual/telehealth appointments?
Dr. Mark Oconnor has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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