Psychiatrist | Child & Adolescent Psychiatry

Dr. William Harrison Koch, MD

151 Milbank Ave, Greenwich, Connecticut, 06830-6616

About Dr. William Harrison Koch

Dr. William Harrison Koch is a psychiatrist based in Greenwich, Connecticut who is specialized in Child & Adolescent Psychiatry. Active license number of Dr. William Harrison Koch is 025221 for Child & Adolescent Psychiatry in Connecticut. His current practice location is 151 Milbank Ave, Greenwich. Patients can contact him at 203-622-0337 or can fax him at 203-622-1726. Dr. William Harrison Koch, MD, specializes in Child & Adolescent Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1083884753.

Dr. William Harrison Koch has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Practice Information

Dr. William Harrison Koch'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. William Harrison Koch
Specialization Child & Adolescent Psychiatry
Credentials MD
Gender Male
Practice Address: 151 Milbank Ave,
Greenwich, CT - 06830-6616
Fax 203-622-1726

Professional Identification Codes

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.

NPI Number1083884753
NPI Enumeration Date: 09 Mar, 2008
NPI Last Update On: 09 Mar, 2008

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. William Harrison Koch are as mentioned below.

License NumberSpecializationStateStatus
025221Child & Adolescent Psychiatry ConnecticutPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. William Harrison Koch
151 Milbank Ave,
Greenwich, CT - 06830-6616
Phone: 203-622-0337
Fax: 203-622-1726

Book an Appointment with Dr. William Harrison Koch

To schedule an appointment, contact Dr. William Harrison Koch at 151 Milbank Ave, Greenwich, Connecticut or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. William Harrison Koch:

Dr. William Harrison Koch is a psychiatrist specializing in Child & Adolescent Psychiatry. He has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Yes, Dr. William Harrison Koch 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. William Harrison Koch practices at 151 Milbank Ave, Greenwich, Connecticut, 06830-6616.

To schedule an appointment with Dr. William Harrison Koch, please contact the office at 203-622-0337.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.