Summary

Dr. Theodoro graduated from the Universidad De Buenos Aires Facultad De Medicina in 1963. He works in Alton, IL and 1 other location and specializes in Psychiatry.

Quick Facts

  • 63 years of experience
  • Missouri Institute Of Psychiatry
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 2 office locations
  • Male

Office Locations

Dr. Leonidas Theodoro has 2 locations

Alton Mental Health Center

4500 College AveAlton, IL 62002

Dr. Leonidas Theodoro

9 Ladue Estates DrSaint Louis, MO 63141

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Dr. Leonidas Theodoro, MDKelsey J Lonergan, PMHNPMs.Cassandra Lynn Turner, DNP, APRN, PMHNP-BCDr. Tiffany Abtahi, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients
63 Years of Experience 3 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English
Alton , ILCLAYTON , MOSaint Louis , MOSaint Louis , MO
Med School: Universidad De Buenos Aires Facultad De Medicina Med School: Universidad Autnoma de Guadalajara
Current Profile
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Insurance Plans Accepted by Dr. Leonidas Theodoro

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Leonidas Theodoro has the following specialty

Specialty Expertise

Dr. Leonidas Theodoro has the following 12 areas of expertise

  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Bipolar Disorder
  • Clinical Depression
  • Depression
  • Depressive Disorder
  • Insomnia
  • Mental Illness
  • Mood Disorders
  • Personality Disorder
  • Schizophrenia
  • Sleep Disorders

Certifications, License, & Education

63 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Residency

Missouri Institute Of Psychiatry

Medical School

Universidad De Buenos Aires Facultad De MedicinaGraduated in 1963

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Frequently Asked Questions

Is Dr. Leonidas Theodoro accepting new patients?
Dr. Leonidas Theodoro has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Leonidas Theodoro accept my insurance?
You can see the insurance plans that Dr. Leonidas Theodoro accepts on their Vitals profile.
Where is Dr. Leonidas Theodoro's office located?
Dr. Leonidas Theodoro's office is located at 4500 College Ave, Alton, IL, 62002.
How can I make an appointment with Dr. Leonidas Theodoro?
You can find contact information for Dr. Leonidas Theodoro here on Vitals.
Does Dr. Leonidas Theodoro accept virtual/telehealth appointments?
Dr. Leonidas Theodoro has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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