Dr. Tristan Jorge Orellano MD Surgeon

Dr. Tristan Orellano is a surgeon in Laurel, Maryland. He is affiliated with multiple hospitals in the area, including Holy Cross Hospital and Laurel Regional Hospital. He received his medical degree from Universidad Nacional de Rosario Faculty of Medicine and has been in practice for 44 years. He is one of 40 doctors at Holy Cross Hospital and one of 9 at Laurel Regional Hospital who specialize in Surgery.

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Office Location

See Contact Information

Specialty & Clinical Interests

Surgeon: General Surgery

Education & Medical Training

Georgetown University Hospital/Washington Hospital Center
Residency, General Surgery, 1972 - 1978

Universidad Nacional de Rosario Faculty of Medicine
Class of 1970

Certifications & Licensure

American Board of Surgery
Certified in Surgery

GA State Medical License
Active through 2013

FL State Medical License
Active through 2015

NC State Medical License
Active through 2014

Publications & Presentations

Mechanism of the toxic action of carbon monoxide.
Goldbaum, L. R., Orellano, T., Dergal, E.

Studies on the mechanism of carbon monoxide toxicity.
Orellano, T., Dergal, E., Alijani, M., Briggs, C., Vasquez, J., Goldbaum, L. R., Absolon, K. B.

Joint Committee on Aviation Pathology: XVI. Studies on the relation between carboxyhemoglobin concentration and toxicity.
Goldbaum, L. R., Orellano, T., Dergal, E.

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Cofinity PPO
  • Empire BCBS HMO
  • Empire BCBS PPO
  • First Health PPO
  • GHI PPO
  • Great West PPO
  • HIP of New York - Select PPO
  • Horizon BCBS PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • MVP Healthcare PPO
  • Oxford Health Freedom
  • Oxford Health Liberty
  • Rocky Mountain Group/Indiv - HMO/Private Pay
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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