Dr. Gregory Charles Hahn is a psychiatrist based in Merriam, Kansas with 19 years of experience in Psychiatry. He completed his graduation in 2007. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Gregory Charles Hahn is 05-39922 for Psychiatry in Kansas. His current practice location is 9100 W 74th St, Merriam. Patients can contact him at 913-663-2642 or can fax him at 913-632-2696. Dr. Gregory Charles Hahn, DO, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1972702215.
Dr. Gregory Charles Hahn specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Practice Information
Dr. Gregory Charles Hahn's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Provider Name Dr. Gregory Charles Hahn
Specialization Psychiatry
Credentials DO
Accepts Medicare Assignment Yes
Experience 19+ years
Graduation Year 2007
Gender Male
Practice Address: 9100 W 74th St, Merriam, KS - 66204-4004
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
PAC ID
0648541920
Enrollment ID
I20170804000381
NPI Number1972702215
NPI Enumeration Date: 17 Jul, 2007
NPI Last Update On: 05 Sep, 2025
Medical Licenses:
Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Gregory Charles Hahn are as mentioned below.
License NumberSpecializationStateStatus
05-39922Psychiatry
KansasPrimary
Hospital Affiliation
Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN)
StateHospital Type
(170086)Topeka, KSAcute Care Hospital
Group Practice
Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Gregory Charles Hahn is associated with along with the number of members in that group.
Below are some commonly asked questions about Dr. Gregory Charles Hahn:
Dr. Gregory Charles Hahn is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Dr. Gregory Charles Hahn has approximately 19 years of experience in Psychiatry.
Yes, Dr. Gregory Charles Hahn accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.
Yes, Dr. Gregory Charles Hahn is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment. *Availability may change. Please contact the office directly to ask about appointments.
Dr. Gregory Charles Hahn practices at 9100 W 74th St, Merriam, Kansas, 66204-4004.
To schedule an appointment with Dr. Gregory Charles Hahn, please contact the office at 913-663-2642.
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