Square Psychiatry is a Psychiatry | Addiction Medicine Clinic in Watertown, Massachusetts. It is located at 124 Watertown St, Watertown, MA and its contact number is 617-926-8200. The authorized person for Square Psychiatry is Dr. Brian Johnson
who is Owner of the clinic and his/her contact number is 617-926-8300. The primary license number for Square Psychiatry is 1023920 (Clinical) in Massachusetts. Square Psychiatry Clinic 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.
Complete Clinic Profile:
Square Psychiatry Clinic speciality, address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointments.
Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.
Name:
Dr. Brian Johnson
Position:
Owner
Contact Number:
617-926-8300
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 for Square Psychiatry clinic are as mentioned below.
NPI Number:
1609997667
NPI Enumeration Date:
03 Apr, 2007
NPI Last Update On:
11 Sep, 2025
Medical Licenses:
Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Square Psychiatry are as mentioned below.
Specialization
License Number
State
Status
Clinical
1023920
Massachusetts
Primary
Addiction Medicine
43500
Massachusetts
Secondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Patients can reach Square Psychiatry at 124 Watertown St, Watertown, Massachusetts or can call to book an appointment on 617-926-8200. *Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.