Psychologist | Clinical Psychology

Nikki A Gustavson, PSY.D.

275 Broadhollow Rd Ste 120, Melville, New York, 11747-4863

About Nikki A Gustavson

Nikki A Gustavson is a psychologist based in Melville, New York who is specialized in Clinical Psychology. Active license number of Nikki A Gustavson is 019182 for Clinical Psychology in New York. Her current practice location is 275 Broadhollow Rd Ste 120, Melville. Patients can contact her at 845-279-5908 or can fax her at 845-622-5055. Nikki A Gustavson, PSY.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1174122816.

Nikki A Gustavson 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

Nikki A Gustavson'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 Nikki A Gustavson
Specialization Clinical Psychology
Credentials PSY.D.
Gender Female
Practice Address: 275 Broadhollow Rd Ste 120,
Melville, NY - 11747-4863
Fax 845-622-5055

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 Number1174122816
NPI Enumeration Date: 23 Oct, 2020
NPI Last Update On: 02 Jun, 2026

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 Nikki A Gustavson are as mentioned below.

License NumberSpecializationStateStatus
019182Clinical 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.

Nikki A Gustavson
275 Broadhollow Rd Ste 120,
Melville, NY - 11747-4863
Phone: 845-279-5908
Fax: 845-622-5055

Book an Appointment with Nikki A Gustavson

To schedule an appointment, contact Nikki A Gustavson at 275 Broadhollow Rd Ste 120, Melville, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Nikki A Gustavson:

Nikki A Gustavson 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, Nikki A Gustavson 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.

Nikki A Gustavson practices at 275 Broadhollow Rd Ste 120, Melville, New York, 11747-4863.

To schedule an appointment with Nikki A Gustavson, please contact the office at 845-279-5908.

Reviews & Feedback

Have you visited Nikki A Gustavson? Share your experience to help others looking for a psychologist in Melville, NY.

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