Psychologist | Clinical Psychology

Dr. Barbara Ann Brennan, PHD

197 Half Hollow Rd, Dix Hills, New York, 11746-5859

About Dr. Barbara Ann Brennan

Dr. Barbara Ann Brennan is a psychologist based in Dix Hills, New York who is specialized in Clinical Psychology. Active license number of Dr. Barbara Ann Brennan is 015825 for Clinical Psychology in New York. Her current practice location is 197 Half Hollow Rd, Dix Hills. Patients can contact her at 631-370-1881. Dr. Barbara Ann Brennan, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1598470692.

Dr. Barbara Ann Brennan 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Barbara Ann Brennan'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. Barbara Ann Brennan
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 197 Half Hollow Rd,
Dix Hills, NY - 11746-5859

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 Number1598470692
NPI Enumeration Date: 23 Jan, 2023
NPI Last Update On: 23 Jan, 2023

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. Barbara Ann Brennan are as mentioned below.

License NumberSpecializationStateStatus
015825Clinical Psychology 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. Barbara Ann Brennan
40 Cherry Ct,
East Northport, NY - 11731-2252
Phone: 631-848-7521

Book an Appointment with Dr. Barbara Ann Brennan

To schedule an appointment, contact Dr. Barbara Ann Brennan at 197 Half Hollow Rd, Dix Hills, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Barbara Ann Brennan:

Dr. Barbara Ann Brennan is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Barbara Ann Brennan 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. Barbara Ann Brennan practices at 197 Half Hollow Rd, Dix Hills, New York, 11746-5859.

To schedule an appointment with Dr. Barbara Ann Brennan, please contact the office at 631-370-1881.

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