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Dr. Mark O'Connor Jr, MD

Cardiology* Age 39
Dr. Mark O'Connor Jr, MD
4.5 (2 Ratings)

Offers telehealth

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Dr. Mark O'Connor Jr, MD is a Cardiologist in Leominster, MA.
Dr. Mark O'Connor Jr, MD
4.5 (2 Ratings)
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Dr. Mark O'Connor Jr, MD

Cardiology* Age 39
Leominster, MA
Accepting new patients
12 years of experience

Offers telehealth

Dr. Mark O'Connor Jr, MD is a Cardiologist in Leominster, MA.

About

Dr. O'Connor Jr graduated from UNIVERSITY OF MASSACHUSETTS / WORCESTER CAMPUS. Dr. Mark O'Connor Jr, MD is a Cardiologist in Leominster, MA and has 12 years experience. Dr. O'Connor Jr currently practices at Saint Vincent Medical Group - Cardiology and are affiliated with Saint Vincent Hospital. Dr. O'Connor Jr has experience treating conditions like Peripheral Edema among other conditions at varying frequencies. At present, Dr. O'Connor Jr received an average rating of 4.5/5 from patients and has been reviewed 2 times. Dr. O'Connor Jr's office accepts new patients and telehealth appointments. Dr. O'Connor Jr is board certified in Cardiovascular Disease and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Peripheral Edema
Cardiomyopathy
Electrocardiogram (EKG)
Peripheral Edema
Cardiomyopathy
Electrocardiogram (EKG)
Peripheral Edema
Cardiomyopathy
Electrocardiogram (EKG)
Acute Congestive Heart Failure
Acute Coronary Syndrome
Aortic Aneurysm
Aortic Valve Disease
Arrhythmias
Atherosclerosis
Atrial Fibrillation
Atrial Flutter
Cardiomyopathy, Dilated
Carotid Artery Disease
Chest Pain
Chronic Congestive Heart Failure
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Congestive Heart Failure
Coronary Artery Disease (CAD)
Heart Attack (Acute Myocardial Infarction)
Heart Disease
Heart Palpitations
Hyperkalemia
Hyperlipidemia
Hypertension
Hypotension
Hypotension (Excluding Maternal)
Lipid Disorders
Mitral Valve Disease
Mitral Valve Prolapse
Mitral Valve Regurgitation
Orthostatic Hypotension
Paroxysmal Atrial Fibrillation
Pericardial Disease
Pericarditis
Peripheral Vascular Disease (PAD, PVD)
Pulmonary Hypertension
Second Degree Heart Block
Sick Sinus Syndrome
Sinus Bradycardia
Supraventricular Tachycardia
Syncope
  • View other providers who treat Syncope
Systolic Heart Failure
Third Degree Heart Block
Type 2 Heart Block - Mobitz
Ventricular Tachycardia (VT)
Cardiac Myocardial Perfusion Imaging
Cardiac Ultrasound
Cardioversion, Elective
Tilt_Testing
Vascular Duplex Ultrasonography and Plethysmography
Abdominal Aortic Aneurysm (AAA)
Abdominal Pain
Acidosis
  • View other providers who treat Acidosis
Acute Deep Vein Thrombosis (DVT)
Acute Endocarditis
Acute Kidney Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
All Headaches (incl. Migraine)
Anemia
  • View other providers who treat Anemia
Angina
  • View other providers who treat Angina
Anxiety
  • View other providers who treat Anxiety
Aortic Dissection
Aortic Ectasia
Aortic Stenosis
Aortic Valve Regurgitation
Aortopulmonary Septal Defect
Arthritis
Arthritis of the Elbow
Asthma
  • View other providers who treat Asthma
Atherosclerosis of Aorta
Atrial Septal Defect
Atypical Atrial Flutter
Benign Heart Tumors
Blood in Urine (Hematuria)
Calcium Metabolism Disorders
Cardiomegaly
Cardiomyopathy, Hypertrophic
Chest Wall Pain Syndrome
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Congenital Aortic Valve Disorders
Congenital Heart Defects
COPD (Chronic Obstructive Pulmonary Disease)
Coronary Artery Dissection
Deep Vein Thrombosis (DVT)
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Dizziness
Dyslipidemia
Emphysema
Endocarditis
Enlarged Prostate (BPH)
Esophagitis
Familial Hypercholesterolemia
Fever
  • View other providers who treat Fever
First Degree Heart Block
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gout
  • View other providers who treat Gout
Headache
  • View other providers who treat Headache
Heart Murmur
Hernia
  • View other providers who treat Hernia
Herpes Zoster Without Complication
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hypertensive Heart with Failure
Hypertensive Heart without Failure
Hypokalemia
Hypothyroidism
Infective Endocarditis
Insomnia
  • View other providers who treat Insomnia
Kidney Infection
Leg and Foot Ulcers
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipidoses (incl. Gaucher Disease)
Long QT Syndrome
Malaise and Fatigue
Malnutrition
Mineral Metabolism Disorders
Mitral and Aortic Valve Disorder
Mitral Valve Stenosis
Nausea
  • View other providers who treat Nausea
Noninfective Endocarditis
Nonrheumatic Mitral Stenosis
Nonrheumatic Tricuspid Disease
Nosebleed
Obesity
  • View other providers who treat Obesity
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoporosis
Overweight
Patent Foramen Ovale (PFO)
Peripheral Arterial Disease of Extremities
Phosphorus Metabolism Disorders
Pneumonia
Polyneuropathy
Postpartum Cardiomyopathy
Reflux Esophagitis
Restless Leg Syndrome
Rheumatic Aortic Valve Disorders
Rheumatic Mitral Stenosis
Rheumatic Tricuspid Disease
Sarcoidosis
Secondary Diabetes Mellitus
Septal Defect
Septic Embolism
Shingles
  • View other providers who treat Shingles
Shortness of Breath
Sinus Tachycardia
Sleep Apnea
Subacute Endocarditis
Systemic Vasculitis
Tension Headache
Tetralogy of Fallot
Tobacco Use Disorder
Transient Ischemic Attack (TIA)
Tricuspid Valve Disease
Trigeminal Neuralgia
Typical Atrial Flutter
Unstable Angina
Urinary Stones
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Vertigo
  • View other providers who treat Vertigo
Vitamin D Deficiency
Wheezing
  • View other providers who treat Wheezing
Wolff-Parkinson-White Pattern
Automatic Implantable Cardioverter Defibrillator (ICD) Implantation
Cardioverter-Defibrillator or Pacemaker Insertion, Removal or Repair
Care Coordination for Complex Conditions and Procedures
Chest CT (incl. Heart and Lungs)

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Passage HMO
  • Harvard Pilgrim Health Care HMO
    ChoiceNet HMO
    Maines Choice - Standard HMO
    Harvard Pilgrim Health Care PPO
  • Navigate POS
    Navigate HMO
    Nexus Open Access
    Choice Plus POS
    Options PPO
    Medica Choice
  • Blue Card PPO
  • First Health (Coventry Health Care) PPO
  • Curative PPO
    Curative PPO Plus
    Curative EPO
  • Choice Plus POS II
    Aetna
    Open Choice PPO
    Select
    Managed Choice (Open Access) POS
    Elect Choice (Open Access) EPO
    Premier Care Network Plus - Innovation Health
  • Cigna
    Cigna PPO
    Open Access Plus
    LocalPlus
  • MVP Health Plan EPO
    MVP Health Care PPO
  • Preferred Blue PPO
    Blue Select HMO
    Blue Cross Blue Shield of Massachusetts PPO
  • Select HMO
  • Tufts PPO
  • Complete PPO Plus
    Complete HMO

Locations

  1. 1 Saint Vincent Medical Group - Cardiology
    100 Hospital Rd, Leominster, MA 01453
    Icon Directions Right Arrow Directions Phone Icon (978) 534-3179

Patient Satisfaction

Likelihood to recommend Dr. O'Connor Jr
4.5
Based on 2 Reviews
5 Stars (1)
4 Stars (1)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Jul 24, 2024
My first visit to Dr. O'Connor was very good. He listened carefully, asked questions, provided new information, and offered help to stay out of the hospital. I was impressed with his knowledge. I feel he keeps up on the latest research.
— Jul 24, 2024
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Photo: Dr. Mark O'Connor Jr, MD
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Dr. O'Connor Jr's Office & Staff

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  • Staff friendliness and courteousness
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Experience with Dr. O'Connor Jr

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
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Call now to make an appointment
(978) 534-3179

About Me

Specialties*
Cardiology
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • UNIVERSITY OF MASSACHUSETTS / WORCESTER CAMPUS
    2012
Medical Education

Board Certifications

Board Certifications
  • Cardiovascular Disease and Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. O'Connor Jr communicate via email?
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Does Dr. O'Connor Jr offer telehealth services or virtual visits?
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Does Dr. O'Connor Jr offer an online patient portal?
2 users said yes.
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Does Dr. O'Connor Jr have free onsite parking?
1 user said yes.
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Mark O'Connor Jr, MD. To arrange an appointment, call the number on Dr. O'Connor Jr's profile.

Dr. Mark O'Connor Jr, MD is affiliated with Saint Vincent Hospital.

Yes, Dr. Mark O'Connor Jr, MD holds board certification in Cardiovascular Disease and Internal Medicine.

Hospital Affiliations

  • Saint Vincent Hospital

    123 Summer St, Worcester, MA