Summary

Dr. Mark Onaitis is a thoracic surgeon who specializes in cardiovascular surgery, oncology, and general surgery. He earned his medical degree from Duke University School of Medicine and brings 29 years of experience to his practice. Dr. Onaitis is fluent in English.

Based in San Diego, California, Dr. Onaitis practices at UC San Diego Health's Moores Cancer Center on Health Sciences Drive. He focuses on treating esophageal cancer, esophageal disorders such as achalasia, and gastroesophageal reflux disease. His surgical expertise includes performing pathology tests, surgical pathology procedures, and brain tumor biopsies. Patients have given Dr. Onaitis an average rating of 3.4 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 29 years of experience
  • 35 insurance plans accepted
  • speaks English
  • Duke University
  • 7 written reviews
  • 4 specialties
  • 10 areas of expertise
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

UC San Diego Health

3855 Health Sciences Drive Moores Cancer CenterSan Diego, CA 92037
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Mark W. Onaitis, MD
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Mark W. Onaitis, MDDr. Robert Francis Mcginn, MDDeborah Lynn WalterDr. Richard Martin Barboza, MD
Thoracic SurgerySurgeryThoracic SurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
29 Years of Experience 50 Years of Experience 17 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish
San Diego , CASan Diego , CASan Diego , CASan Diego , CA
Med School: Duke University Med School: Medical College Of Wisconsin Med School: Northeast Ohio Medical University
Current Profile
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Insurance Plans Accepted by Mark W. Onaitis

  • AARP
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Brand New Day
  • Brand New Day - Medicare (Advantage HMO)
  • CalOptima
  • CareFirst Blue Cross Blue Shield - Medicaid (Managed)
  • Cigna
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan
  • Magellan Health
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare (Advantage HMO)
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Sharp Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Mark W. Onaitis has the following 4 specialties

Specialty Expertise

Mark W. Onaitis has the following 10 areas of expertise

  • Carcinoid Tumor
  • Esophagus Cancer (Esophogeal Neoplasm)
  • General Surgeon
  • Intestinal Cancer
  • Lung Cancer
  • Mediastinum Cancer (Mediastinal Neoplasm)
  • Melanoma
  • Oncologist
  • Pancreatic Cancer
  • Thoracic Surgeon

Certifications, License, & Education

29 Years Experience

Mark W. Onaitis holds an active medical license in the state of California.

Medical License

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

Education & Training

Medical School

Graduated from Duke University and Duke University School Of Medicine in 1997.

NPI Number

Mark W. Onaitis' NPI number is 1841310638.

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Frequently Asked Questions

Where is Mark Onaitis's office located?
Mark Onaitis's office is located at 3855 Health Sciences Drive Moores Cancer Center, San Diego, CA, 92037.
Does Mark Onaitis accept virtual/telehealth appointments?
Mark Onaitis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Mark Onaitis?
You can find contact information for Mark Onaitis here on Vitals.
Does Mark Onaitis accept my insurance?
You can see the insurance plans that Mark Onaitis accepts on their Vitals profile.
What languages does Mark Onaitis speak?
Mark Onaitis speaks English.

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