Psychologist | Clinical Psychology

Michael David O'brien

729 Boylston St, Boston, Massachusetts, 02116-2639

About Michael David O'brien

Michael David O'brien is a psychologist based in Boston, Massachusetts who is specialized in Clinical Psychology. Active license number of Michael David O'brien is PSY10001410 for Clinical Psychology in Massachusetts. His current practice location is 729 Boylston St, Boston. Patients can reach him at 617-286-4945. Michael David O'brien NPI number (Unique professional ID assigned by NPPES) is 1790293827.

Michael David O'brien is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Michael David O'brien speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Michael David O'brien
Specialization Clinical Psychology
Gender Male
Practice Address: 729 Boylston St,
Boston, MA - 02116-2639

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 Number1790293827
NPI Enumeration Date: 10 Jan, 2018
NPI Last Update On: 13 Jun, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Michael David O'brien are as mentioned below.

License NumberSpecializationStateStatus
PSY10001410Clinical Psychology MassachusettsPrimary

Mailing Address

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

Michael David O'brien
729 Boylston St,
Boston, MA - 02116-2639

Book an Appointment with Michael David O'brien

To schedule an appointment, contact Michael David O'brien at 729 Boylston St, Boston, Massachusetts or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Michael David O'brien:

Michael David O'brien is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Michael David O'brien is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Michael David O'brien practices at 729 Boylston St, Boston, Massachusetts, 02116-2639.

To schedule an appointment with Michael David O'brien, please contact the office at 617-286-4945.

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