Dr. Thomas J. Horn, D.O.


Accepting new patients 11 years of experience Offers telehealth


Dr. Thomas J. Horn, D.O. is a Psychiatrist & Neurologist in Saint Louis, MO. He specializes in Psychiatry and Psychiatry, has 11 years of experience, and is board certified. He graduated from University of Oklahoma HSC in Tulsa.

Dr. Thomas J. Horn, D.O. works at Mercy Clinic Psychiatry - St. Louis. He is accepting new patients and accepts Aetna, Anthem, Blue Cross Blue Shield, Cigna, Humana, and other major insurance plans. Please call ahead to schedule an appointment with Dr....


Treatment Frequency

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Normal Frequency
May Perform

Accepted Insurance

A provider may accept your insurance carrier but may not be in-network with your specific plan. To confirm your coverage, contact your insurance carrier or the provider's office.

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna

Ratings & Reviews

Average provider rating

Group 24

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About Dr. Thomas J. Horn, D.O.


  • Psychiatry

Years of Experience

11 years of experience

Languages Spoken

  • English



NPI Number


Education & Certifications

Medical Education

  • Univ North Tx Hlth Sci Ctr Coll Of Osteo Med
  • University Of Notre Dame


  • University of Oklahoma HSC in Tulsa

Board Certifications

  • American Board of Psychiatry & Neurology (Psychiatry)


Mercy Clinic Psychiatry - St. Louis

12125 Conway Rd Ste 160,

Saint Louis, MO 63141


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