About Us

Years in cardiovascular surgery

Over 25 years of experience as a Physician Assistant focused on cardiovascular surgery.
Patients Served
0 +
Certified Nurses
0 +
Care Experience
0 +

Years of Excellence in Cardiac & Thoracic Surgery

At On Call, Inc. we are a specialized surgical assist company dedicated exclusively to Cardiac, Thoracic and Neuro surgery. Our team of experienced, credentialed Physician Assistants brings precision, professionalism, and deep surgical knowledge to every case.

We partner with surgeons and hospitals to deliver reliable OR support, critical care coverage, and seamless clinical integration — so your team can focus on delivering the best possible outcomes for every patient.

Patients Served
0 +
Certified Nurses
0 +
Care Experience
0 +

Availability / Locum Coverage

Available for short- and medium-term locum assignments in Florida and select out-of-state programs. Flexible scheduling.

  • Travel flexibility: willing to relocate for assignments
  • EMR experience: Epic, Cerner, Athena 
  • Willingness to credential quickly: yes

For opportunities, please contact via the form on the Contact page or use the LinkedIn link

Meet Our Dedicated Professionals

Gary D Gottlieb
Physician Assistant Certified