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Addiction Medicine Specialist, Adolescent Specialist, Psychiatrist
36 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

  • Currently 2.5 of 4 stars
Patient comments (14)

The overall average patient rating of Dr. Gregory Teas is Good. Dr. Teas has been reviewed by 25 patients who have provided 14 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.3
  • Currently 2.3181818181818 of 4 stars
Promptness 2.2
  • Currently 2.1578947368421 of 4 stars
Courteous Staff 2.6
  • Currently 2.6190476190476 of 4 stars
Accurate Diagnosis 2.8
  • Currently 2.7619047619048 of 4 stars
Bedside Manner 2.2
  • Currently 2.1904761904762 of 4 stars
Spends Time with Me 2.1
  • Currently 2.0952380952381 of 4 stars
Follows Up After Visit 2.2
  • Currently 2.1666666666667 of 4 stars

Specialties & Research

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

  • He has special expertise in 4 areas:
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Drug Abuse (Substance-Related Addiction Disorders)
  • Psychopharmacology

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 36 years of experience and practices in Psychiatry and Addiction Psychiatry.
Where does Dr. Gregory A. Teas practice?
Dr. Gregory Teas has 4 office locations.
Dr. Gregory Teas practices Psychiatry and Addiction Psychiatry near Hoffman Estates, IL.
Additional practice locations include: Elk Grove Village, IL and Schaumburg, IL.
See Hoffman Estates Psychiatrists and Hoffman Estates Addiction Specialists.