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Dr. Mark Onaitis, MD
Cardiothoracic Surgery* Age 55
Dr. Mark Onaitis, MD

Offers telehealth

Dr. Mark Onaitis, MD is a Cardiothoracic Surgeon in La Jolla, CA.
Dr. Mark Onaitis, MD

Dr. Mark Onaitis, MD

Cardiothoracic Surgery* Age 55
La Jolla, CA
Accepting new patients
29 years of experience

Offers telehealth

Dr. Mark Onaitis, MD is a Cardiothoracic Surgeon in La Jolla, CA.
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About Dr. Mark Onaitis, MD

Dr. Onaitis graduated from Duke University School of Medicine in 1997 and completed a residency at Duke University Medical Center. Dr. Mark Onaitis, MD is a Cardiothoracic Surgeon in La Jolla, CA and has 29 years experience. Dr. Onaitis currently practices at UC San Diego Health and is affiliated with UC San Diego Health Hillcrest Hillcrest Medical Center, Duke University Hospital, Palomar UC San Diego Health Escondido and Palomar UC San Diego Health Poway. Dr. Onaitis's office accepts new patients and telehealth appointments. Dr. Onaitis is board certified in Thoracic Cardiovascular Surgery and accepts multiple insurance plans.

Offers Telehealth

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

Where Dr. Mark Onaitis, MD Sees Patients

  1. 1 Office
    9452 Medical Center Dr Rm 3E-313, La Jolla, CA 92037

Experience and Background Check

Lymph Node Biopsy or Excision
Lung Cancer
Thoracoscopic Segmentectomy
Lymph Node Biopsy or Excision
Lung Cancer
Thoracoscopic Segmentectomy
Thoracoscopic Wedge Resection
Partial Lobectomy
Thoracoscopic Lobectomy
Collapsed Lung (Pneumothorax)
Chest CT (incl. Heart and Lungs)
Video-Assisted Thoracoscopic Surgery (VATS) or Thoracotomy
Pleural Effusion
Open Lung Resection or Removal
Esophageal Cancer
Thoracoscopic Thymectomy
Thoracentesis
Metastatic Respiratory System Cancer
Diaphragmatic and Hiatal Hernia
Esophagogastric Fundoplasty
Adhesive Pericarditis
Aneurysm
  • View other providers who treat Aneurysm
Aortic Aneurysm
Aortic Dissection
Aortic Ectasia
Aortic Valve Disease
Atrial Fibrillation
Atrial Septal Defect
Benign Mediastinal Tumor
Cardiac Tamponade
Carotid Artery Disease
Chest Wall Deformity
Chylothorax
Congenital Heart Defects
Coronary Artery Disease (CAD)
Coronary Vessel Malformation
Empyema
  • View other providers who treat Empyema
Esophageal Diverticulum
Heart Valve Disorders
Hypertensive Heart with Failure
Hypertensive Heart without Failure
Interstitial Lung Disease
Lung Abscess
Malignant Mediastinal Tumor
Mitral Valve Disease
Mitral Valve Regurgitation
Neuroendocrine Tumors
Nonrheumatic Tricuspid Disease
Paroxysmal Atrial Fibrillation
Partial Lung Collapse
Pericardial Disease
Peripheral Arterial Aneurysm
Peripheral Arterial Aneurysm and Dissection
Pleura Cancer
Pleural Cancer
Pneumonitis
Pulmonary Embolism
Rheumatic Tricuspid Disease
Septal Defect
Spontaneous Pneumothorax
Systolic Heart Failure
Thoracic Outlet Syndrome
Thymomas
  • View other providers who treat Thymomas
Ventricular Tachycardia (VT)
Bronchoscopy
Decortication and Pleurectomy
Esophagectomy (Esophagogastrostomy, Esophagojejunostomy)
Esophagomyotomy
Excision of Esophageal Lesion
Excision of Tracheal Tumor or Stenosis
Lobectomy
Lung Removal
Lymphadenectomy With Robotic Assistance
Non-Coronary Angioplasty, Atherectomy, and Stenting
Open Lobectomy
Open Lung Removal
Pancoast Tumor Excision
Paraesophageal Hernia Repair, Laparoscopic
Peripheral Artery Catheterization
Port Placements or Replacements
Sympathectomy
Thoracoscopic Excision of Lung With Robotic Assistance
Thoracoscopic Pneumonectomy
Tracheal Surgery

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Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • First Health (Coventry Health Care) PPO
  • Blue Cross Blue Shield of California PPO
    Select Plus HMO
    Advantage Preferred DirectAccess Plus PPO
  • HealthyBlue 2.0
    HealthyBlue Advantage
  • Blue Card PPO
  • Aetna
    Choice Plus POS II
  • Cigna
    Open Access Plus
    Cigna PPO
  • MultiPlan PPO
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • MemorialCare Custom-CA PPO
    Blue Cross (Prudent Buyer) - Individual-CA PPO
    Traditional PPO
    Silver EPO (Prudent Buyer EPO/ Small Grp)-CA
    National (BlueCard Basic) PPO
    National (BlueCard) PPO
    Platinum Select (Select / Small Grp)-CA HMO
    Advantage-CA HMO
    Gold Select (Select / Small Grp)-CA HMO
    Blue Cross-CA HMO-POS
    Gold EPO (Prudent Buyer / Small Grp)-CA PPO
    Bronze EPO (Prudent Buyer EPO/ Small Grp)-CA
    Blue Cross (CACare) - Small Group-CA HMO
    Bronze (Prudent Buyer PPO/ Small Grp)-CA PPO
    Bronze EPO (Prudent Buyer / Small Grp)-CA PPO
    Balanced (Prudent Buyer)-CA PPO
    Silver w/ H.S.A (Prudent Buyer PPO/Small Grp)-CA PPO
    Dignity Health Ventura EPO/PPO-CA
    Silver Select (Select / Small Grp)-CA HMO
    UC Health Savings Plan-CA
    PERS Choice / PERSCare Providers-CA PPO
    Dignity Health PHC EPO & HDP/HSA-CA
    Platinum (CaliforniaCare HMO/ Small Grp) HMO
    UC High Option Supplement to Medicare-CA
    Gold EPO (Prudent Buyer EPO/ Small Grp)-CA
    Select-CA HMO
    Silver (CaliforniaCare HMO/ Small Grp) HMO
    Major Risk Medical Insurance Program (MRMIP) - Prudent Buyer-CA PPO
    Blue Cross (Prudent Buyer) - Large Group-CA PPO
    Blue Cross (Prudent Buyer) - Student Health-CA PPO
    USC Plan (Two Tiered Network)-CA HMO
    UC CORE-CA PPO
    Lumenos Plans-CA PPO
    Advantage-CA PPO
    Traditional
    Silver Advantage-CA PPO
    Blue Cross (Prudent Buyer) - Small Group-CA PPO
    PERS Select-CA HMO
    Bronze w/ H.S.A (Prudent Buyer PPO/Small Grp)-CA PPO
    Dignity Health EPO / PPO-CA
    UC Care-CA PPO
    Platinum (Prudent Buyer PPO/ Small Grp)-CA PPO
    EPO-CA
    UC Medicare with Prescription Drugs-CA PPO
    Blue Cross (CACare) - Individual-CA HMO
    PERS Traditional-CA HMO
    UC Medicare without Prescription Drugs-CA PPO
    UCSHIP-CA PPO
    Tenet Network-CA PPO
    Blue Cross (CACare) - Large Group-CA HMO
    Dignity Health Custom Advantage-CA HMO
    Select Plus-CA HMO
    Gold (CaliforniaCare HMO/ Small Grp) HMO
    Gold (Prudent Buyer PPO/ Small Grp)-CA PPO
    Gold Advantage-CA PPO
    Silver EPO w/ H.S.A (Prudent Buyer/Small Grp)-CA PPO
    Silver (Prudent Buyer PPO/ Small Grp)-CA PPO
    Dignity Health PHC EPO & HDP/HSA-CA
    UC Resident and Fellows-CA PPO

Meet Dr. Mark Onaitis, MD

Biography
  • Dr. Mark Onaitis, MD is a cardiothoracic surgeon in La Jolla, CA and has over 25 years of experience in the medical field. He graduated from Duke University School of Medicine in 1997. He specializes in Cardiothoracic Surgery.
Biography
Specialties*
Cardiothoracic Surgery
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.
Training & Medical Education
Medical Education
  • Duke University School of Medicine
    1997
Medical Education
Board Certifications
  • Thoracic Cardiovascular Surgery
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.
Residency Hospital
  • Duke University Medical Center
    2007
Residency Hospital
Fellowship Hospital
  • Duke University Medical Center
    2001
Fellowship Hospital
Common Questions and Answers
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FAQs About Dr. Onaitis's Practice

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 Onaitis, MD. To arrange an appointment, call the number on Dr. Onaitis's profile.

Dr. Mark Onaitis, MD is affiliated with UC San Diego Health Hillcrest Hillcrest Medical Center, Duke University Hospital, Palomar UC San Diego Health Escondido and Palomar UC San Diego Health Poway.

Yes, Dr. Mark Onaitis, MD holds board certification in Thoracic Cardiovascular Surgery.

Dr. Onaitis has over 29 years of healthcare experience.

Hospitals Where Dr. Mark Onaitis, MD Practices

  • UC San Diego Health Hillcrest Hillcrest Medical Center

    200 W Arbor Dr, San Diego, CA

  • Duke University Hospital

    2100 Erwin Rd, Durham, NC

  • Palomar UC San Diego Health Escondido

    2185 Citracado Pkwy, Escondido, CA

  • Palomar UC San Diego Health Poway

    15615 Pomerado Rd, Poway, CA

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