Psychologist | General Psychology

Dr. Matthew Gibson Campbell, PHD

22 Lawrence Ave Ste 304, Smithtown, New York, 11787-3619

About Dr. Matthew Gibson Campbell

Dr. Matthew Gibson Campbell is a psychologist based in Smithtown, New York who is specialized in General Psychology. Active license number of Dr. Matthew Gibson Campbell is 9479 for Clinical Psychology in New York. His current practice location is 22 Lawrence Ave Ste 304, Smithtown. Patients can contact him at 631-361-6858 or can fax him at 631-224-4992. Dr. Matthew Gibson Campbell, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1841496270.

Dr. Matthew Gibson Campbell is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Matthew Gibson Campbell'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. Matthew Gibson Campbell
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 22 Lawrence Ave Ste 304,
Smithtown, NY - 11787-3619
Fax 631-224-4992

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 Number1841496270
NPI Enumeration Date: 22 Jun, 2007
NPI Last Update On: 23 Dec, 2010

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. Matthew Gibson Campbell are as mentioned below.

License NumberSpecializationStateStatus
9479Clinical Psychology New YorkPrimary
9479General Psychology New YorkSecondary

Mailing Address

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

Dr. Matthew Gibson Campbell
11 Whitney Gate,
Smithtown, NY - 11787
Phone: 631-361-6858
Fax: 631-224-4992

Book an Appointment with Dr. Matthew Gibson Campbell

To schedule an appointment, contact Dr. Matthew Gibson Campbell at 22 Lawrence Ave Ste 304, Smithtown, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Matthew Gibson Campbell:

Dr. Matthew Gibson Campbell 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.

Yes, Dr. Matthew Gibson Campbell 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. Matthew Gibson Campbell practices at 22 Lawrence Ave Ste 304, Smithtown, New York, 11787-3619.

To schedule an appointment with Dr. Matthew Gibson Campbell, please contact the office at 631-361-6858.

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