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Dr. Mark O'Connor Jr, MD

Cardiology* Age 39
Dr. Mark O'Connor Jr, MD

Offers telehealth

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

About

Dr. Mark O'Connor Jr, MD is a Cardiology Specialist in Leominster, MA and has 12 years experience. They graduated from UNIVERSITY OF MASSACHUSETTS / WORCESTER CAMPUS. They currently practice 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. Their 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.

Experience Check

Enter a condition or procedure
Peripheral Edema
Cardiomyopathy
Vascular Duplex Ultrasonography and Plethysmography
Peripheral Edema
Cardiomyopathy
Vascular Duplex Ultrasonography and Plethysmography
Peripheral Edema
Cardiomyopathy
Vascular Duplex Ultrasonography and Plethysmography
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
Lipid Disorders
Mitral Valve Disease
Mitral Valve Regurgitation
Paroxysmal Atrial Fibrillation
Pericardial Disease
Peripheral Vascular Disease (PAD, PVD)
Pulmonary Hypertension
Sinus Bradycardia
Sinus Tachycardia
Syncope
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Systolic Heart Failure
Third Degree Heart Block
Ventricular Tachycardia (VT)
Cardiac Myocardial Perfusion Imaging
Cardiac Ultrasound
Cardioversion, Elective
Electrocardiogram (EKG)
Tilt_Testing
Abdominal Aortic Aneurysm (AAA)
Abdominal Pain
Acidosis
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Acute Deep Vein Thrombosis (DVT)
Acute Endocarditis
Acute Kidney Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
All Headaches (incl. Migraine)
Anemia
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Angina
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Anxiety
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Aortic Ectasia
Aortic Valve Regurgitation
Arthritis
Arthritis of the Elbow
Asthma
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Atherosclerosis of Aorta
Atrial Septal Defect
Atypical Atrial Flutter
Benign Heart Tumors
Blood in Urine (Hematuria)
Calcium Metabolism Disorders
Cardiomegaly
Chest Wall Pain Syndrome
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Congenital Heart Defects
COPD (Chronic Obstructive Pulmonary Disease)
Deep Vein Thrombosis (DVT)
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Dizziness
Dyslipidemia
Emphysema
Endocarditis
Enlarged Prostate (BPH)
Esophagitis
Familial Hypercholesterolemia
Fever
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First Degree Heart Block
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gout
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Headache
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Heart Murmur
Hernia
  • View other providers who treat Hernia
Herpes Zoster Without Complication
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hypertensive Heart with Failure
Hypertensive Heart without Failure
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Infective Endocarditis
Insomnia
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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 Prolapse
Nausea
  • View other providers who treat Nausea
Noninfective Endocarditis
Nonrheumatic Tricuspid Disease
Nosebleed
Obesity
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Orthostatic Hypotension
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoporosis
Overweight
Phosphorus Metabolism Disorders
Pneumonia
Polyneuropathy
Potassium Deficiency
Reflux Esophagitis
Restless Leg Syndrome
Rheumatic Tricuspid Disease
Sarcoidosis
Second Degree Heart Block
Secondary Diabetes Mellitus
Septal Defect
Septic Embolism
Shingles
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Shortness of Breath
Sick Sinus Syndrome
Sleep Apnea
Subacute Endocarditis
Supraventricular Tachycardia
Tension Headache
Tetralogy of Fallot
Tobacco Use Disorder
Transient Ischemic Attack (TIA)
Tricuspid Valve Disease
Trigeminal Neuralgia
Type 2 Heart Block - Mobitz
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.
  • Choice Plus POS II
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Select
  • Blue Cross Blue Shield of Massachusetts PPO
    Blue Select HMO
    Preferred Blue PPO
  • Blue Card PPO
  • Cigna PPO
    LocalPlus
    Open Access Plus
  • Passage HMO
  • First Health (Coventry Health Care) PPO
  • ChoiceNet HMO
    Harvard Pilgrim Health Care HMO
    Harvard Pilgrim Health Care PPO
    Maines Choice - Standard HMO
  • Select HMO
  • MVP Health Care PPO
    MVP Health Plan EPO
  • Tufts PPO
  • Choice Plus POS
    Medica Choice
    Navigate HMO
    Navigate POS
    Nexus Open Access
    Options PPO

Locations

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

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Telehealth Options
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(978) 534-3179

About Me

Specialties*
Cardiology
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
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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