Psychologist | Clinical Psychology

Dr. Maryann Leone, PH.D.

627 Broadway, Suite Maidat, Massapequa, New York, 11758-5031

About Dr. Maryann Leone

Dr. Maryann Leone is a psychologist based in Massapequa, New York who is specialized in Clinical Psychology. Active license number of Dr. Maryann Leone is 012392 for Clinical Psychology in New York. Her current practice location is 627 Broadway, Suite Maidat, Massapequa. Patients can contact her at 516-541-7883. Dr. Maryann Leone, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1558405977.

Dr. Maryann Leone 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Maryann Leone'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. Maryann Leone
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 627 Broadway, Suite Maidat
Massapequa, NY - 11758-5031

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 Number1558405977
NPI Enumeration Date: 18 Feb, 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. Maryann Leone are as mentioned below.

License NumberSpecializationStateStatus
012392Clinical 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. Maryann Leone
160 Biltmore Blvd,
Massapequa, NY - 11758-7246
Phone: 516-798-5357

Book an Appointment with Dr. Maryann Leone

To schedule an appointment, contact Dr. Maryann Leone at 627 Broadway, Suite Maidat, Massapequa, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Maryann Leone:

Dr. Maryann Leone is a psychologist specializing in Clinical Psychology. She 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). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Maryann Leone 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. Maryann Leone practices at 627 Broadway, Suite Maidat, Massapequa, New York, 11758-5031.

To schedule an appointment with Dr. Maryann Leone, please contact the office at 516-541-7883.

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