HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

MARK W ONAITIS, MD

THORACIC SURGERY

Medical school: DUKE UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1997

Offers telehealth

NPI: 1841310638

Practice Locations (2)

REGENTS OF THE UNIVERSITY OF CALIFORNIA

200 W ARBOR DR

SAN DIEGO, CA 921033109

8586577000

REGENTS OF THE UNIVERSITY OF CALIFORNIA

200 W ARBOR DR

SAN DIEGO, CA 921039000

8009268273

Source: CMS National Downloadable File, September 2026.

MARK ONAITIS, MD | HealthCareAtlasUSA