Psychiatrist | Addiction Medicine Psychiatry

Dr. John J Mariani, M.D.

51 E 25th St Ste 7e, New York, New York, 10010-2945

About Dr. John J Mariani

Dr. John J Mariani is a psychiatrist based in New York, New York who is specialized in Addiction Medicine Psychiatry. Active license number of Dr. John J Mariani is 199048 for Addiction Medicine Psychiatry in New York. His current practice location is 51 E 25th St Ste 7e, New York. Patients can contact him at 646-609-6771 or can fax him at 646-588-1984. Dr. John J Mariani, M.D., specializes in Addiction Medicine Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1245383405.

Dr. John J Mariani focuses on the evaluation, diagnosis, and treatment of people who have one or more disorders related to addictions like illegal drugs, alcohol, and prescription medication and other substances.

Practice Information

Dr. John J Mariani'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. John J Mariani
Specialization Addiction Medicine Psychiatry
Credentials M.D.
Gender Male
Practice Address: 51 E 25th St Ste 7e,
New York, NY - 10010-2945
Fax 646-588-1984

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 Number1245383405
NPI Enumeration Date: 19 Jan, 2007
NPI Last Update On: 22 Feb, 2020

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. John J Mariani are as mentioned below.

License NumberSpecializationStateStatus
199048Addiction Medicine Psychiatry New YorkPrimary

Mailing Address

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

Dr. John J Mariani
51 E 25th St Ste 7e,
New York, NY - 10010-2945
Phone: 646-609-6771
Fax: 646-588-1984

Book an Appointment with Dr. John J Mariani

To schedule an appointment, contact Dr. John J Mariani at 51 E 25th St Ste 7e, New York, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. John J Mariani:

Dr. John J Mariani is a psychiatrist specializing in Addiction Medicine Psychiatry. He focuses on the evaluation, diagnosis, and treatment of people who have one or more disorders related to addictions like illegal drugs, alcohol, and prescription medication and other substances.

Yes, Dr. John J Mariani 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. John J Mariani practices at 51 E 25th St Ste 7e, New York, New York, 10010-2945.

To schedule an appointment with Dr. John J Mariani, please contact the office at 646-609-6771.

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