Psychiatrist

Dr. Leonard I Leven, M.D.

3 W End Ave, Old Greenwich, Connecticut, 06870-1640

About Dr. Leonard I Leven

Dr. Leonard I Leven is a psychiatrist based in Old Greenwich, Connecticut who is specialized in Psychiatry. Active license number of Dr. Leonard I Leven is 167310 for Child & Adolescent Psychiatry in New York. His current practice location is 3 W End Ave, Old Greenwich. Patients can contact him at 203-637-1486 or can fax him at 203-637-1486. Dr. Leonard I Leven, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1821098245.

Dr. Leonard I Leven 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. Leonard I Leven'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. Leonard I Leven
Specialization Psychiatry
Credentials M.D.
Gender Male
Practice Address: 3 W End Ave,
Old Greenwich, CT - 06870-1640
Fax 203-637-1486

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 Number1821098245
NPI Enumeration Date: 28 Jul, 2005
NPI Last Update On: 13 Jul, 2026

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. Leonard I Leven are as mentioned below.

License NumberSpecializationStateStatus
167310Child & Adolescent Psychiatry New YorkPrimary
026744Psychiatry ConnecticutSecondary
167310Psychiatry New YorkSecondary
026744Child & Adolescent Psychiatry ConnecticutSecondary

Mailing Address

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

Dr. Leonard I Leven
3 Bayberry Rd,
Elmsford, NY - 10523-1701
Phone: 914-347-4510
Fax: 914-347-5020

Book an Appointment with Dr. Leonard I Leven

To schedule an appointment, contact Dr. Leonard I Leven at 3 W End Ave, Old Greenwich, Connecticut or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Leonard I Leven:

Dr. Leonard I Leven 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. Leonard I Leven 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. Leonard I Leven practices at 3 W End Ave, Old Greenwich, Connecticut, 06870-1640.

To schedule an appointment with Dr. Leonard I Leven, please contact the office at 203-637-1486.

Reviews & Feedback

Have you visited Dr. Leonard I Leven? Share your experience to help others looking for a psychiatrist in Old Greenwich, CT.

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