Psychology Clinic | Clinical Psychology

Leland W. Petersen, Psychologist, P.c.

11 Beechwood Dr, Glen Head, New York, 11545-1101

About Leland W. Petersen, Psychologist, P.c.

Leland W. Petersen, Psychologist, P.c. is a psychology clinic located in Glen Head, New York. specializing in Clinical Psychology. The clinic is located at 11 Beechwood Dr, Glen Head, NY and can be reached at 516-671-7509. The authorized official for Leland W. Petersen, Psychologist, P.c. is Dr. Leland Walter Petersen, who serves the clinic’s President. He/She can be contacted at 516-671-7509. The clinic’s primary license number in New York is 05430 (Clinical) .
Leland W. Petersen, Psychologist, P.c. Clinic has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Clinic Information

Leland W. Petersen, Psychologist, P.c. Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name Leland W. Petersen, Psychologist, P.c.
Specialization Clinical Psychology
Practice Address 11 Beechwood Dr,
Glen Head, NY - 11545-1101

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name Dr. Leland Walter Petersen
Position President
Contact Number 516-671-7509

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 Number1083831408
NPI Enumeration Date: 19 Apr, 2007
NPI Last Update On: 17 Jun, 2008

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Leland W. Petersen, Psychologist, P.c. are as mentioned below.
License NumberSpecializationStateStatus
05430Clinical 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.

Leland W. Petersen, Psychologist, P.c.
11 Beechwood Dr,
Glen Head, NY - 11545-1101
Phone: 516-671-7509

Book an Appointment with Leland W. Petersen, Psychologist, P.c.

To schedule an appointment, contact Leland W. Petersen, Psychologist, P.c. at 11 Beechwood Dr, Glen Head, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Leland W. Petersen, Psychologist, P.c. clinic:

Leland W. Petersen, Psychologist, P.c. is a psychology clinic specializing in Clinical Psychology.

Leland W. Petersen, Psychologist, P.c. is located at 11 Beechwood Dr, Glen Head, New York 11545-1101.

Patients can contact Leland W. Petersen, Psychologist, P.c. at 516-671-7509 for inquiries about its services and appointments.

Please contact Leland W. Petersen, Psychologist, P.c. directly to inquire about new-patient availability and appointment options.
* Availability may change.

Leland W. Petersen, Psychologist, P.c. has mental health professionals specialized in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Psychologists main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that psychologists can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Patients can contact Leland W. Petersen, Psychologist, P.c. at 516-671-7509 to inquire about appointments, consultation requirements and available services.

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