Psychologist | General Psychology

Dr. Gregory P Ryan, PSY.D.

4 Sunset Ln E, Miller Place, New York, 11764-1644

About Dr. Gregory P Ryan

Dr. Gregory P Ryan is a psychologist based in Miller Place, New York who is specialized in General Psychology. Active license number of Dr. Gregory P Ryan is 021145 for General Psychology in New York. His current practice location is 4 Sunset Ln E, Miller Place. Patients can contact him at 516-965-8792. Dr. Gregory P Ryan, PSY.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1144765850.

Dr. Gregory P Ryan 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. Gregory P Ryan'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. Gregory P Ryan
Specialization General Psychology
Credentials PSY.D.
Gender Male
Practice Address: 4 Sunset Ln E,
Miller Place, NY - 11764-1644

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 Number1144765850
NPI Enumeration Date: 04 Jan, 2017
NPI Last Update On: 04 Jan, 2017

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. Gregory P Ryan are as mentioned below.

License NumberSpecializationStateStatus
021145General 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. Gregory P Ryan
4 Sunset Ln E,
Miller Place, NY - 11764-1644
Phone: 516-965-8792

Book an Appointment with Dr. Gregory P Ryan

To schedule an appointment, contact Dr. Gregory P Ryan at 4 Sunset Ln E, Miller Place, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregory P Ryan:

Dr. Gregory P Ryan is a psychologist specializing in General Psychology. He 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.

Yes, Dr. Gregory P Ryan 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. Gregory P Ryan practices at 4 Sunset Ln E, Miller Place, New York, 11764-1644.

To schedule an appointment with Dr. Gregory P Ryan, please contact the office at 516-965-8792.

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