Summary

Thomas Dennison graduated from the University of Illinois At Chicago College of Medicine in 1981. He works in Sycamore, IL and 1 other location and specializes in Psychiatry. Thomas Dennison is affiliated with Northwestern Medicine Kishwaukee Hospital.

Quick Facts

  • accepting new patients
  • 4.3
  • 45 years of experience
  • speaks English, Spanish
  • Southern Illinois University
  • 3 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Thomas A. Dennison has 2 locations

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Thomas A. Dennison, MDDr. Thomas Mullenix, MDDr. Khadija Khan, MDDr. Karelis Sierra-Cintron, MD
PsychiatryPsychiatryPsychiatryPsychiatry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
45 Years of Experience 8 Years of Experience 38 Years of Experience 20 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English, Urdu, Hindi Speaks English, Spanish
Sycamore , ILLincolnshire , ILDOWNERS GROVE , ILLincolnshire , IL
Med School: University of Illinois at Chicago College of Medicine Med School: Chicago Medical School Med School: Dow Medical College Med School: Universidad Central Del Caribe
Current Profile
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Insurance Plans Accepted by Thomas A. Dennison

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

Medical Specialties

Thomas A. Dennison has the following specialty

Specialty Expertise

Thomas A. Dennison has the following 13 areas of expertise

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

Certifications, License, & Education

45 Years Experience

Thomas A. Dennison holds an active medical license in the state of Illinois.

Medical License

Medical Doctor with an active medical license in the state of Illinois that expires in 2026.

Education & Training

Residency

Completed their residency at Southern Illinois University in 1985.

Medical School

Graduated from University of Illinois at Chicago College of Medicine in 1981.

NPI Number

Thomas A. Dennison's NPI number is 1588673719.

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Frequently Asked Questions

Is Thomas Dennison accepting new patients?
Thomas Dennison is accepting new patients on Vitals. View Thomas Dennison's profile on Vitals to make an appointment.
Does Thomas Dennison accept my insurance?
You can see the insurance plans that Thomas Dennison accepts on their Vitals profile.
Which hospitals is Thomas Dennison affiliated with?
Thomas Dennison is affiliated with Northwestern Medicine Kishwaukee Hospital.
Does Thomas Dennison accept virtual/telehealth appointments?
Thomas Dennison has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Thomas Dennison's office located?
Thomas Dennison's office is located at 1850 Gateway Dr Ste 202, Sycamore, IL, 60178.

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