Browse Health
Internist, Pulmonologist (lungs), Preventive Medicine / Wellness, Sleep Medicine Specialist
30 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Thomas Horiagon:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Have you visited Dr. Horiagon? Share your experience.
Write a Review

Specialties & Research

Dr. Thomas Horiagon, MD is board certified in Internal Medicine, Pulmonary Disease, Occupational Medicine, and Sleep Medicine.

Education & Awards

Dr. Horiagon graduated from Brown University, Providence.


Dr. Horiagon has 3 hospital affiliations:

  • North Colorado Medical Center 
  • St Marys Hospital And Medical Center 
  • Community Hospital 


  • Spanish
  • Arabic

> > > Dr. Thomas Horiagon, MD

Similar doctors nearby

Dr. Jacqueline Aregood

Internal Medicine
16 years experience
Littleton, CO

Dr. Robin Gunning

Internal Medicine
44 years experience
Lone Tree, CO

Dr. John Hiner

Internal Medicine
38 years experience
Centennial, CO

Dr. Thomas Cherry

Internal Medicine
42 years experience
Lone Tree, CO

Dr. James Falko

Internal Medicine
40 years experience
Lone Tree, CO

Dr. Richard Carson

Internal Medicine
49 years experience
Centennial, CO
Search All Similar Doctors
Additional Information
Dr. Thomas M Horiagon MD is a male Internist, has 30 years of experience and practices in Internal Medicine, Pulmonary Disease, Sleep Medicine, and Occupational Medicine.
Where does Dr. Thomas M. Horiagon practice?
Dr. Thomas Horiagon has 4 office locations.
Dr. Thomas Horiagon practices Internal Medicine, Pulmonary Disease, Sleep Medicine, and Occupational Medicine near Highlands Ranch, CO.
Additional practice locations include: Grand Junction, CO and Greeley, CO.