Psychologist | General Psychology

Dr. Brian Marcus Osullivan, PHD

2 Whitney St, Northborough, Massachusetts, 01532-1845

About Dr. Brian Marcus Osullivan

Dr. Brian Marcus Osullivan is a psychologist based in Northborough, Massachusetts who is specialized in General Psychology. Active license number of Dr. Brian Marcus Osullivan is 3157 for General Psychology in Massachusetts. His current practice location is 2 Whitney St, Northborough. Patients can contact him at 508-831-3030. Dr. Brian Marcus Osullivan, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1467419168.

Dr. Brian Marcus Osullivan is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Brian Marcus Osullivan'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. Brian Marcus Osullivan
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 2 Whitney St,
Northborough, MA - 01532-1845

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 Number1467419168
NPI Enumeration Date: 27 Apr, 2006
NPI Last Update On: 29 May, 2018

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. Brian Marcus Osullivan are as mentioned below.

License NumberSpecializationStateStatus
3157General 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.

Dr. Brian Marcus Osullivan
2 Whitney St,
Northborough, MA - 01532-1845
Phone: 508-450-3071

Book an Appointment with Dr. Brian Marcus Osullivan

To schedule an appointment, contact Dr. Brian Marcus Osullivan at 2 Whitney St, Northborough, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Brian Marcus Osullivan:

Dr. Brian Marcus Osullivan is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. Brian Marcus Osullivan 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. Brian Marcus Osullivan practices at 2 Whitney St, Northborough, Massachusetts, 01532-1845.

To schedule an appointment with Dr. Brian Marcus Osullivan, please contact the office at 508-831-3030.

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