Psychology Clinic | Clinical Psychology

Northside Psychology

16 Kingsland Rd, Sleepy Hollow, New York, 10591-1022

About Northside Psychology

Northside Psychology is a psychology clinic located in Sleepy Hollow, New York. specializing in Clinical Psychology. The clinic is located at 16 Kingsland Rd, Sleepy Hollow, NY and can be reached at 213-444-3633. The authorized official for Northside Psychology is Dr. David Mahony, who serves the clinic’s Owner. He/She can be contacted at 718-668-1919.
Northside Psychology 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

Northside Psychology 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 Northside Psychology
Specialization Clinical Psychology
Practice Address 16 Kingsland Rd,
Sleepy Hollow, NY - 10591-1022
Fax 332-600-8652

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. David Mahony
Position Owner
Contact Number 718-668-1919

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 Number1124909155
NPI Enumeration Date: 08 Sep, 2025
NPI Last Update On: 04 Aug, 2026

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Northside Psychology are as mentioned below.
License NumberSpecializationStateStatus
Clinical Primary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Northside Psychology
16 Kingsland Rd,
Sleepy Hollow, NY - 10591-1022
Phone: 718-668-1919
Fax: 332-600-8652

Book an Appointment with Northside Psychology

To schedule an appointment, contact Northside Psychology at 16 Kingsland Rd, Sleepy Hollow, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Northside Psychology clinic:

Northside Psychology is a psychology clinic specializing in Clinical Psychology.

Northside Psychology is located at 16 Kingsland Rd, Sleepy Hollow, New York 10591-1022.

Patients can contact Northside Psychology at 213-444-3633 for inquiries about its services and appointments.

Please contact Northside Psychology directly to inquire about new-patient availability and appointment options.
* Availability may change.

Northside Psychology 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 Northside Psychology at 213-444-3633 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.