Grace Hennessy is a New York, New York based psychiatrist who is specialized in Addiction Psychiatry. Active license number of Grace Hennessy is 229548 for Addiction Psychiatry in New York. Her current practice location is 423 E 23rd St, 11m, New York. Patients can reach her at 212-686-7500. Grace Hennessy is M.D. in Addiction Psychiatry and her NPI number (Unique professional ID assigned by NPPES) is 1518910975.
Grace Hennessy 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:
Grace Hennessy speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Grace Hennessy |
| Specialization: | Addiction Psychiatry |
| Gender: | Female |
| Credentials: | M.D. |
| Practice Address: | 423 E 23rd St, 11m, New York,
New York, 10010-5011 |
| Phone: | 212-686-7500 |
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: | 1518910975 |
| NPI Enumeration Date: | 18 May, 2006 |
| NPI Last Update On: | 08 Jul, 2007 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Grace Hennessy are as mentioned below.
| License Number | Specialization | State | Status | |
| 229548 | Addiction Psychiatry | New York | 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: | Grace Hennessy
321 W 54th St, Apartment 614
New York, New York |
| Zip: | 10019-5165 |
| Phone Number: | 212-262-4804 |
Patients can reach Grace Hennessy at
423 E 23rd St, 11m, New York, New York or can
call to book an appointment on 212-686-7500.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.