22 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Onaitis, Thoracic Surgeon in San Diego, CA?
Dr. Mark Onaitis, MD is a Thoracic Surgeon, who primarily practices in San Diego, CA with 2 additional practice locations. He has been practicing for over 22 years and is board certified. Dr. Onaitis graduated from Duke University, School of Medicine, Durham, NC and completed his residency at Duke Univ Med Ctr, General Surgery. Dr. Onaitis is fluent in English, and is currently seeing new patients. Dr. Onaitis’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Onaitis’s office at (858) 657-7777.
What are Areas of Expertise for Dr. Onaitis?
Dr. Mark Onaitis, MD is a highly-rated, board-certified Thoracic Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Onaitis empowers patients to confidently navigate their health journey, specializing in Gastroesophageal Reflux Disease (GERD), Lung Cancer, Minimally Invasive Surgery, or comprehensive wellness support. Serving the San Diego/CA community, Dr. Onaitis is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Onaitis go to medical school and complete their residency?
Residency: Duke Univ Med Ctr, General Surgery
Medical School: Duke University, School of Medicine, Durham, NC | Duke University, School of Medicine, Durham, NC | Thoracic Surgeon | Professor of Medicine
What languages does Dr. Onaitis speak?
Dr. Onaitis and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Onaitis treat?
As a Thoracic Surgeon, Dr. Onaitis diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Onaitis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Lung Cancer
- Right upper lobe lung cancer
- Bronchial cancer
- Malignant neoplasm of lung
- Right lower lobe lung cancer
- Left Lung Cancer
- Upper Lobe Lung Cancer
- Bronchial Cancer
- Left lower lobe lung cancer
- Right lung cancer
- Malignant Lung Tumor
ICD-10 Codes:
- C3411: Malignant neoplasm of upper lobe, right bronchus or lung
- C3431: Malignant neoplasm of lower lobe, right bronchus or lung
- C3412: Malignant neoplasm of upper lobe, left bronchus or lung
- C3432: Malignant neoplasm of lower lobe, left bronchus or lung
- C3491: Malignant neoplasm of unspecified part of right bronchus or lung
- C3492: Malignant neoplasm of unspecified part of left bronchus or lung
Also known as:
- Single Lung Nodule
- Other Abnormal Findings on Lung Scan
- Lung Disease
- Lung Spot
- Pulmonary Nodule
- Spot on Lung Scan
- Unusual Lung Scan Results
- Atypical Lung Imaging
- Nonspecific Lung Abnormality
ICD-10 Codes:
- R911: Solitary pulmonary nodule
- R918: Other nonspecific abnormal finding of lung field
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Other Mediastinum Disorder
- Various mediastinal diseases
- Unspecified chest cavity problems
- Other conditions of the mediastinum
ICD-10 Codes:
- J9859: Other diseases of mediastinum, not elsewhere classified
Also known as:
- Esophageal Cancer
- Esophagus Cancer
- Esophageal Carcinoma
ICD-10 Codes:
- C159: Malignant neoplasm of esophagus, unspecified
Also known as:
- Pleural Effusion
- Pleural Disorder
- Fluid in lungs
- Water on the lung
- Fluid around lungs
ICD-10 Codes:
- J90: Pleural effusion, not elsewhere classified
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Cancer Surgery Aftercare
- After Surgery
- Cancer
- Post-cancer surgery care
- Oncology aftercare
- Cancer recovery follow-up
ICD-10 Codes:
- Z483: Aftercare following surgery for neoplasm
Also known as:
- Lung Cancer Screening
- Health Screening
- Respiratory cancer screening
- Pulmonary cancer check
- Lung tumor screening
ICD-10 Codes:
- Z122: Encounter for screening for malignant neoplasm of respiratory organs
Also known as:
- Other Lung Disease
- Lung Disease
- Various lung conditions
- Unspecified lung disorder
- Miscellaneous lung problems
ICD-10 Codes:
- J984: Other disorders of lung
Also known as:
- Unspecified Injury
- General injury
- Injury, unknown location
- Trauma
ICD-10 Codes:
- T148XXA: Other injury of unspecified body region, initial encounter
Which procedures does Dr. Onaitis perform as a Thoracic Surgeon?
As a Thoracic Surgeon, procedures performed by a Dr. Mark Onaitis may include:
- Aortic Stent Grafts
- Arteriovenous Graft Placement
- Atherectomy
- Carotid Surgery
- Endovascular Aneurysm Repair (EVAR)
- Endovenous Laser Treatment of Varicose Veins
- Limb Salvage Surgery
- Mediastinal Adenopathy Surgery
For detailed information, please contact Dr. Onaitis' office.
Does Dr. Onaitis accept my insurance?
Dr. Onaitis accepts most major insurance plans. Important: Please call our office at (858) 657-7777 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Onaitis accept in San Diego, CA?
Dr. Onaitis in San Diego, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene
Heritage Health
Humana
Medicare
OptumRx
Other Health Care Provider
Sharp Health Plan
UnitedHealthcare
View All Insurances
Where is Dr. Onaitis' office located?
Dr. Mark Onaitis' Practice 3
9434 Medical Center Dr Fl 1
La Jolla, CA 92037
(858) 657-7777
What is Dr. Onaitis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Onaitis's National Provider Identifier (NPI) number is 1841310638.
What common questions do patients ask about Dr. Onaitis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Onaitis
What is Dr. Mark Onaitis's specialty?
Dr. Onaitis is a Thoracic Surgeon near San Diego, CA. A thoracic surgeon is a healthcare expert with specialization in the surgical, perioperative, and critical care of patients with conditions affecting the chest. Their expertise encompasses the surgical treatment of coronary artery disease, lung, esophageal, and chest wall cancers, tracheal abnormalities, and issues with the great vessels and heart valves. They also address congenital anomalies, mediastinal tumors, and diaphragm diseases. Additionally, thoracic surgeons manage airway issues and chest injuries as part of their medical specialty. Contact Dr. Onaitis to book an appointment today.
Is this Dr. Mark Onaitis affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Onaitis is affiliated with Scripps Memorial Hospital Encinitas which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Thoracic Surgeon?
Explore Thoracic Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mark Onaitis accepting new patients in San Diego, CA?
Yes, Dr. Mark Onaitis is accepting new patients at this time.
Does Dr. Mark Onaitis offer online booking?
Please contact Dr. Onaitis's office at (858) 657-7777 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Onaitis?
Please contact Dr. Onaitis's office at (858) 657-7777 for information regarding telehealth appointment availability or for scheduling assistance.
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