Dr. Thomas M Horiagon MD Internist

Dr. Thomas Horiagon is an internist in Highlands Ranch, Colorado. He received his medical degree from Warren Alpert Medical School of Brown University and has been in practice for 33 years. Dr. Horiagon accepts several types of health insurance, listed below.

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Office Location

See Contact Information

Specialty & Clinical Interests

Internist: General Internal Medicine, Critical Care Medicine, Hospital Medicine/Hospitalist, Pulmonology

Education & Medical Training

University of Michigan Hospitals and Health Centers
Residency, Internal Medicine, 1981 - 1984

Natoinal Institute of Occupational - Safety Health
Residency, Occupational Medicine, 1985 - 1986

University of California at San Francisco
Fellowship, Pulmonary Disease and Critical Care Medicine, 1986 - 1988

Warren Alpert Medical School of Brown University
Class of 1981

Certifications & Licensure

American Board of Allergy and Immunology
Certified 29 years in Allergy & Immunology

American Board of Internal Medicine
Certified 32 years in Internal Medicine

American Board of Internal Medicine
Certified 26 years in Diagnostic Laboratory Immunology

American Board of Internal Medicine
Certified 26 years in Diagnostic Laboratory Immunology

PA State Medical License
Active through 2014

NJ State Medical License
Active through 2015

UT State Medical License
Active through 2016

NC State Medical License
Active through 2014

WY State Medical License
Active through 2014

ID State Medical License
Active through 2015

Publications & Presentations

Deletion mapping of the Aequorea victoria green fluorescent protein.
Dopf, J., Horiagon, T. M.

Medical-examiner-reported fatal occupational injuries, North Carolina, 1978-1984.
Sniezek, J. E., Horiagon, T. M.

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS North Carolina BlueOptions PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Lifewise Health Plan of Oregon
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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