Psychologist | Mental Retardation & Developmental Disabilities Psychology | 35+ years experience

Jon Brennan, R-LCSW

408 Montauk Hwy, Center Moriches, New York, 11934-3518

About Jon Brennan

Jon Brennan is a psychologist based in Center Moriches, New York with 35 years of experience in Mental Retardation & Developmental Disabilities Psychology. He completed his graduation from State University Of New York At Stony Brook, School Of Medicine in 1991. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Jon Brennan is R044718-1 for Psychology in New York. His current practice location is 408 Montauk Hwy, Center Moriches. Patients can contact him at 631-874-0185 or can fax him at 631-909-8940. Jon Brennan, R-LCSW, specializes in Mental Retardation & Developmental Disabilities Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1659863868.

Jon Brennan

Practice Information

Jon 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 Jon Brennan
Specialization Mental Retardation & Developmental Disabilities Psychology
Credentials R-LCSW
Accepts Medicare Assignment Yes
Experience 35+ years
Medical School Attended State University Of New York At Stony Brook, School Of Medicine
Graduation Year 1991
Gender Male
Practice Address: 408 Montauk Hwy,
Center Moriches, NY - 11934-3518
Fax 631-909-8940

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.

PAC ID 6103172655
Enrollment ID I20180713000369
NPI Number1659863868
NPI Enumeration Date: 04 Jun, 2018
NPI Last Update On: 09 Jan, 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 Jon Brennan are as mentioned below.

License NumberSpecializationStateStatus
R044718-1Psychology New YorkPrimary
R044718-1Mental Retardation & Developmental Disabilities Psychology New YorkSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Jon Brennan is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Community Counseling And Lcsw Services (3577605617)23

Mailing Address

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

Jon Brennan
76 Woodland Rd,
Miller Place, NY - 11764-1944
Phone: 631-509-5551

Book an Appointment with Jon Brennan

To schedule an appointment, contact Jon Brennan at 408 Montauk Hwy, Center Moriches, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Jon Brennan:

Jon Brennan is a psychologist specializing in 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.

Jon Brennan completed his education (R-LCSW) from State University Of New York At Stony Brook, School Of Medicine in 1991.

Jon Brennan has approximately 35 years of experience in Psychology.

Yes, Jon Brennan accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Jon 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.

Jon Brennan practices at 408 Montauk Hwy, Center Moriches, New York, 11934-3518.

To schedule an appointment with Jon Brennan, please contact the office at 631-874-0185.

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