Psychologist | Clinical Psychology | 46+ years experience

Clifford Issacoff, PH D

126 E Main St, Suite 1, East Islip, New York, 11730-2600

About Clifford Issacoff

Clifford Issacoff is a psychologist based in East Islip, New York with 46 years of experience in Clinical Psychology. He completed his graduation in 1980. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Clifford Issacoff is 009286 for Clinical Psychology in New York. His current practice location is 126 E Main St, Suite 1, East Islip. Patients can contact him at 631-277-8367 or can fax him at 631-277-3140. Clifford Issacoff, PH D, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1750300844.

Clifford Issacoff 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

Clifford Issacoff'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 Clifford Issacoff
Specialization Clinical Psychology
Credentials PH D
Accepts Medicare Assignment Yes
Experience 46+ years
Graduation Year 1980
Gender Male
Practice Address: 126 E Main St, Suite 1
East Islip, NY - 11730-2600
Fax 631-277-3140

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 3678748779
Enrollment ID I20111219000068
NPI Number1750300844
NPI Enumeration Date: 19 Jul, 2006
NPI Last Update On: 17 Nov, 2010

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 Clifford Issacoff are as mentioned below.

License NumberSpecializationStateStatus
009286Clinical 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.

Clifford Issacoff
Po Box 254,
Islip Terrace, NY - 11752-0254
Phone: 631-277-8367
Fax: 631-277-3140

Book an Appointment with Clifford Issacoff

To schedule an appointment, contact Clifford Issacoff at 126 E Main St, Suite 1, East Islip, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Clifford Issacoff:

Clifford Issacoff 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.

Clifford Issacoff has approximately 46 years of experience in Clinical Psychology.

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

Yes, Clifford Issacoff 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.

Clifford Issacoff practices at 126 E Main St, Suite 1, East Islip, New York, 11730-2600.

To schedule an appointment with Clifford Issacoff, please contact the office at 631-277-8367.

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