Dr. Gregory C. Hahn
- Gender: Male
- Experience: 14 years
- Graduation year: 2007
- Sole propriator: No
- NPI: 1972702215
Dr. Gregory C. Hahn D.O.
Psychiatrist
He is located at 9100 West 74th Street in Merriam, KS 66204. Can help patients with the following: Aphasia, Compassion Fatigue, Life Coaching, Mood Disorders, Persistent Depressive Disorder, School Issues. His National Provider Identifier (NPI) number is 1972702215. Appointment can be made via the phone number (913) 663-2642. He is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. Gregory Charles Hahn, 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. Gregory C. Hahn.
- Amnesia
- Anger Management
- 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
- Career Counseling
- Compassion Fatigue
- Dementia
- Depression
- Dissociative Fugue
- Dissociative Identity Disorder
- Drug Abuse
- Dyslexia
- EMDR
- Eating Disorder
- Emotional Eating
- Family Conflict
- Fragile X Syndrome (FXS)
- Gender Identity
- Grief
- Hypersomnia
- Infertility
- Infidelity
- Insomnia
- Isolation
- Learning Disability
- Life Coaching
- Life Transitions
- Loss, Grief, and Bereavement
- Mental Illness
- Mood Disorders
- Munchausen Syndrome
- Narcissistic Personality Disorder (NPD)
- Obesity
- Obsessive Compulsive Disorder (OCD)
- Online Therapy
- Panic Disorder
- Parenting
- 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
- School Issues
- Seasonal Affective Disorder (SAD)
- Self-Esteem
- Self-Harming
- Separation Anxiety Disorder
- Sleep Disorders
- Sleepwalking
- Speech Disorders
- Spirituality and Religion
- Stress
- Tardive Dyskinesia
- Tics
- Trauma
- Wilson-Turner Syndrome
Procedures Performed by Dr. Gregory C. Hahn
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory C. Hahn as in-network for the following 2026 plans.
Health plans
Ambetter from Sunflower Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter from Sunflower Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Elite Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Elite Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Elite Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Elite Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Everyday Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Everyday Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Focused Silver | EPO · Silver | Preferred | Accepting new patients at some locations |
| Focused Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Gold | EPO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Accepting new patients at some locations |
| Standard Silver | EPO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Accepting new patients at some locations |
Medica
Network data as of Jul 1, 2026, as reported by the insurer.
Show all 9 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Select by Medica Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select by Medica Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select by Medica Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Select by Medica Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Select by Medica Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Select by Medica Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Select by Medica Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Select by Medica Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Select by Medica Silver Standard | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Gregory C. Hahn is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Gregory C. Hahn is enrolled to bill Medicare as a Practitioner - Psychiatry .
Bills through: Cotton-o'neil Clinic Revocable Trust
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
| Otsuka Pharmaceutical | $10 |
Other
| Food and Beverage | $10 |
Studies
Graduated in 2007Additional Specialities
- Psychologist
Looking for more Psychiatrists?
There are 6 other psychiatrists in this region.
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- Address: 7301 East Frontage Road Suite 100 Merriam, 66204, KS
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- Gender: Female
- Address: 1000 West 10th Street Rolla, 65401, MO
- Gender: Female
- Address: 12541 Foster Street Suite 200 Overland Park, 66213, KS
- Gender: Female
- Address: 9100 West 74th Street Merriam, 66204, KS
- Gender: Female
- Address: Ste 3 8901 West 74th Street Shawnee Mission, 66204, KS
- Gender: Male
- Address: 9100 West 74th Street Merriam, 66204, KS
Questions & Answers
What conditions does Dr. Gregory Charles Hahn treat?
Dr. Gregory Charles Hahn provides treatment for Aphasia, Compassion Fatigue, Life Coaching, Mood Disorders, Persistent Depressive Disorder, School Issues. For the full list see this list.
Where can you meet with Dr. Gregory Charles Hahn?
Dr. Gregory Charles Hahn's office is located at 9100 West 74th Street in Merriam, KS 66204.
Does Dr. Gregory Charles Hahn have affiliation with practices?
Dr. Gregory Charles Hahn is affiliated with Cotton O'Neil Corporate View. For the full list of practices see this list.
Does Dr. Gregory Charles Hahn accept patients with Medica?
Yes, Dr. Gregory Charles Hahn is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Gregory Charles Hahn affiliation with hospitals?
Dr. Gregory Charles Hahn is affiliated with STORMONT VAIL HOSPITAL. For the full list of hospitals see this list.