Dr. Nathan D. Ontrop
Dr. Nathan D. Ontrop
Last updated: Aug 7, 2025

Dr. Nathan D. Ontrop

  • Gender: Male
  • Experience: 10 years
  • Graduated from: Loyola University Of Chicago, Stritch School Of Medicine
  • Graduation year: 2011
  • Sole propriator: Yes
  • NPI: 1760778468

Dr. Nathan D. Ontrop M.D.

Psychiatrist

He is located at 25 East Washington Street Suite 1601 in Chicago, IL 60602. Can help patients with the following: Avoidant Personality Disorder, Bipolar Disorder, Dissociative Identity Disorder, Grief, Insomnia, Munchausen Syndrome. His National Provider Identifier (NPI) number is 1760778468. Appointment can be made via the phone number (312) 725-2347. He also has a website where you can get more information. The website can be found at http://doctors.advocatehealth.com/a-nathan-d-ontrop-chicago-psychiatry-3. He is affiliated with 2 practices.

Conditions treated

Dr. Nathan D. Ontrop, being an psychiatrist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Nathan D. Ontrop.

  • Amnesia
  • Anorexia Nervosa
  • Antisocial Personality Disorder (ASPD)
  • Anxiety
  • Aphasia
  • Asperger Syndrome (AS)
  • Attention-Deficit/Hyperactivity Disorder (ADHD)
  • Autism
  • Avoidant Personality Disorder
  • Binge Eating Disorder
  • Bipolar Disorder
  • Body Dysmorphic Disorder (BDD)
  • Borderline Personality Disorder (BPD)
  • Bulimia Nervosa
  • Dementia
  • Depression
  • Dissociative Fugue
  • Dissociative Identity Disorder
  • Drug Abuse
  • Eating Disorder
  • Fragile X Syndrome (FXS)
  • Grief
  • Hypersomnia
  • Insomnia
  • Isolation
  • Learning Disability
  • Mental Illness
  • Mood Disorders
  • Munchausen Syndrome
  • Narcissistic Personality Disorder (NPD)
  • Obsessive Compulsive Disorder (OCD)
  • Online Therapy
  • Panic Disorder
  • Persistent Depressive Disorder
  • Pervasive Developmental Disorders (PDD)
  • Phobias
  • Postpartum Depression (PPD)
  • Posttraumatic Stress Disorder (PTSD)
  • Premenstrual Dysphoric Disorder (PMDD)
  • Psychotic Disorder
  • Rape and Sexual Assault
  • Relationship Issues
  • Schizoaffective Disorder
  • Schizophrenia
  • Seasonal Affective Disorder (SAD)
  • Sleepwalking
  • Speech Disorders
  • Stress
  • Tardive Dyskinesia
  • Tics
  • Trauma
  • Wilson-Turner Syndrome

Procedures Performed by Dr. Nathan D. Ontrop

Medicare Enrollment

Dr. Nathan D. Ontrop is enrolled to bill Medicare as a Practitioner - Psychiatry .

Bills through: Advocate Health And Hospitals Corporation

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Janssen $18

Other

Food and Beverage $18

Studies

LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE

Graduated in 2011

Other ways to reach out

  • Website: http://doctors.advocatehealth.com/a-nathan-d-ontrop-chicago-psychiatry-3

Affiliated practices

Advocate Medical Group
8550 West Bryn Mawr Avenue
Chicago, 60631 IL
(847) 390-5900
James R Zullo PHD PC
25 East Washington Street
Chicago, 60602 IL
(312) 884-9895

Looking for more Psychiatrists?

Out of the 36 psychiatrists in this region, here are 10 randomly selected ones for you to explore.

Dr. Melanie Monroe Venable
  • Gender: Female
  • Address: Suite 301 50 East Washington Street Chicago, 60602, IL
Dr. Jeff Abbott
  • Gender: Male
  • Address: Suite 1464 25 East Washington Street Chicago, 60602, IL
Dr. Gary Alan Willer
  • Gender: Male
  • Address: Suite 1104 30 North Michigan Avenue Chicago, 60602, IL
Dr. David A. Kaiser
  • Gender: Male
  • Address: Suite 2101 111 North Wabash Avenue Chicago, 60602, IL
Dr. David R. Edelstein
  • Gender: Male
  • Address: Suite 501 30 North Michigan Avenue Chicago, 60602, IL
Dr. Daniel E. Levin
  • Gender: Male
  • Address: Suite 1022 30 North Michigan Avenue Chicago, 60602, IL
Dr. Susan Stern
  • Gender: Female
  • Address: Suite 1805 25 East Washington Street Chicago, 60602, IL
Dr. Elizabeth Mekha Kurian
  • Gender: Female
  • Address: Suite 1116 111 North Wabash Avenue Chicago, 60602, IL
Dr. Indrany Datta-Barua
  • Gender: Female
  • Address: Suite 1805 25 East Washington Street Chicago, 60602, IL
Dr. Matthew John Koscica
  • Gender: Male
  • Address: Suite 1464 25 East Washington Street Chicago, 60602, IL

Questions & Answers

Where can you meet with Dr. Nathan D. Ontrop?

Dr. Nathan D. Ontrop's office is located at 25 East Washington Street Suite 1601 in Chicago, IL 60602.

Does Dr. Nathan D. Ontrop accept insurance?

Unfortunately we don't have any information if Dr. Nathan D. Ontrop accepts insurance.

Does Dr. Nathan D. Ontrop have affiliation with practices?

Dr. Nathan D. Ontrop is affiliated with Advocate Medical Group. For the full list of practices see this list.

What conditions does Dr. Nathan D. Ontrop treat?

Dr. Nathan D. Ontrop provides treatment for Avoidant Personality Disorder, Bipolar Disorder, Dissociative Identity Disorder, Grief, Insomnia, Munchausen Syndrome. For the full list see this list.