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Addiction Medicine Specialist, Psychiatrist, Adolescent Specialist
38 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).

Patient Reviews

Patient comments (14)

The overall average patient rating of Dr. Gregory Teas is Average. Dr. Teas has been reviewed by 31 patients who have provided 14 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.0
Promptness 2.8
Courteous Staff 3.4
Accurate Diagnosis 3.6
Bedside Manner 2.9
Spends Time with Me 2.8
Follows Up After Visit 2.9

Specialties & Research

Dr. Gregory Teas, MD is board certified in Addiction Psychiatry and Psychiatry.

  • He has special expertise in 9 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Drug Abuse (Substance-Related Addiction Disorders)
  • Insomnia
  • Psychopharmacology
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Teas graduated from Loyola University Chicago, Maywood. He has 1 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)


Dr. Teas has 6 hospital affiliations:

  • Elmhurst Memorial Hospital 
  • St Alexius Medical Center 


  • Spanish

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Additional Information
Dr. Gregory Alan Teas MD is a male Psychiatrist, has 38 years of experience and practices in Psychiatry and Addiction Psychiatry.
Where does Dr. Gregory A. Teas practice?
Dr. Gregory Teas has 1 office location.
Dr. Gregory Teas practices Psychiatry and Addiction Psychiatry near Hoffman Estates, IL.
See Hoffman Estates Psychiatrists and Hoffman Estates Addiction Specialists.