Psychologist | Cognitive & Behavioral Psychology | 38+ years experience

Dr. Michael Leonard Nissenbaum, PH.D.

2100 Middle Country Rd, Suite 28w, Centereach, New York, 11720-3577

About Dr. Michael Leonard Nissenbaum

Dr. Michael Leonard Nissenbaum is a psychologist based in Centereach, New York with 38 years of experience in Cognitive & Behavioral Psychology. He completed his graduation in 1988. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Michael Leonard Nissenbaum is 010232 for Cognitive & Behavioral Psychology in New York. His current practice location is 2100 Middle Country Rd, Suite 28w, Centereach. Patients can contact him at 631-737-9500 or can fax him at 631-737-9512. Dr. Michael Leonard Nissenbaum, PH.D., specializes in Cognitive & Behavioral Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1174546725.

Dr. Michael Leonard Nissenbaum has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.

Practice Information

Dr. Michael Leonard Nissenbaum'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. Michael Leonard Nissenbaum
Specialization Cognitive & Behavioral Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 38+ years
Graduation Year 1988
Gender Male
Practice Address: 2100 Middle Country Rd, Suite 28w
Centereach, NY - 11720-3577
Fax 631-737-9512

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 2264336296
Enrollment ID I20031121000443
NPI Number1174546725
NPI Enumeration Date: 25 Jul, 2006
NPI Last Update On: 08 Jul, 2007

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. Michael Leonard Nissenbaum are as mentioned below.

License NumberSpecializationStateStatus
010232Cognitive & Behavioral 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. Michael Leonard Nissenbaum
Po Box 625,
Centereach, NY - 11720-0625
Phone: 631-737-9500
Fax: 631-737-9512

Book an Appointment with Dr. Michael Leonard Nissenbaum

To schedule an appointment, contact Dr. Michael Leonard Nissenbaum at 2100 Middle Country Rd, Suite 28w, Centereach, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Michael Leonard Nissenbaum:

Dr. Michael Leonard Nissenbaum is a psychologist specializing in Cognitive & Behavioral Psychology. He has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.

Dr. Michael Leonard Nissenbaum has approximately 38 years of experience in Cognitive & Behavioral Psychology.

Yes, Dr. Michael Leonard Nissenbaum accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Michael Leonard Nissenbaum 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. Michael Leonard Nissenbaum practices at 2100 Middle Country Rd, Suite 28w, Centereach, New York, 11720-3577.

To schedule an appointment with Dr. Michael Leonard Nissenbaum, please contact the office at 631-737-9500.

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