Leo Gefter is a New Haven, Connecticut based psychiatrist who is specialized in Addiction Psychiatry. Active license number of Leo Gefter is 83998 for Addiction Psychiatry in Connecticut. His current practice location is 300 George St Ste 900, New Haven. Patients can reach him at 203-785-2117 or can fax him at 203-785-7357. Leo Gefter NPI number (Unique professional ID assigned by NPPES) is 1164162087.
Leo Gefter focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
Complete Profile:
Leo Gefter speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Leo Gefter |
| Specialization: | Addiction Psychiatry |
| Gender: | Male |
| Practice Address: | 300 George St Ste 900, New Haven,
Connecticut, 06511-6660 |
| Phone: | 203-785-2117 |
| Fax: | 203-785-7357 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1164162087 |
| NPI Enumeration Date: | 30 Mar, 2022 |
| NPI Last Update On: | 02 Apr, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Leo Gefter are as mentioned below.
| License Number | Specialization | State | Status | |
| 83998 | Addiction Psychiatry | Connecticut | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Leo Gefter
21 Dogwood Ln,
Haskell, New Jersey |
| Zip: | 07420-1065 |
| Phone Number: | 201-410-0611 |
Patients can reach Leo Gefter at
300 George St Ste 900, New Haven, Connecticut or can
call to book an appointment on 203-785-2117.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.