Psychologist | Clinical Psychology | 47+ years experience

Dr. Leonard Streim, PH.D.

30 Hempstead Ave, Suite 143, Rockville Centre, New York, 11570-4033

About Dr. Leonard Streim

Dr. Leonard Streim is a psychologist based in Rockville Centre, New York with 47 years of experience in Clinical Psychology. He completed his graduation in 1979. 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. Leonard Streim is 006776 for Clinical Psychology in New York. His current practice location is 30 Hempstead Ave, Suite 143, Rockville Centre. Patients can contact him at 516-766-4472 or can fax him at 631-242-4625. Dr. Leonard Streim, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1326268277.

Dr. Leonard Streim 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

Dr. Leonard Streim'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. Leonard Streim
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 47+ years
Graduation Year 1979
Gender Male
Practice Address: 30 Hempstead Ave, Suite 143
Rockville Centre, NY - 11570-4033
Fax 631-242-4625

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 7012203177
Enrollment ID I20160915002275
NPI Number1326268277
NPI Enumeration Date: 25 Apr, 2007
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. Leonard Streim are as mentioned below.

License NumberSpecializationStateStatus
006776Clinical 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. Leonard Streim
30 Hempstead Ave, Suite 143
Rockville Centre, NY - 11570-4033
Phone: 516-766-4472
Fax: 631-242-4625

Book an Appointment with Dr. Leonard Streim

To schedule an appointment, contact Dr. Leonard Streim at 30 Hempstead Ave, Suite 143, Rockville Centre, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Leonard Streim:

Dr. Leonard Streim 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.

Dr. Leonard Streim has approximately 47 years of experience in Clinical Psychology.

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

Yes, Dr. Leonard Streim 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. Leonard Streim practices at 30 Hempstead Ave, Suite 143, Rockville Centre, New York, 11570-4033.

To schedule an appointment with Dr. Leonard Streim, please contact the office at 516-766-4472.

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