Psychiatrist

Dr. Steve Theodore Matthews, DO

75 N Country Rd, Port Jefferson, New York, 11777-2190

About Dr. Steve Theodore Matthews

Dr. Steve Theodore Matthews is a psychiatrist based in Port Jefferson, New York who is specialized in Psychiatry. Active license number of Dr. Steve Theodore Matthews is 335000 for Psychiatry in New York. His current practice location is 75 N Country Rd, Port Jefferson. Patients can contact him at 631-686-2518. Dr. Steve Theodore Matthews, DO, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1457938664.

Dr. Steve Theodore Matthews specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. Steve Theodore Matthews'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. Steve Theodore Matthews
Specialization Psychiatry
Credentials DO
Gender Male
Practice Address: 75 N Country Rd,
Port Jefferson, NY - 11777-2190

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 Number1457938664
NPI Enumeration Date: 24 Mar, 2021
NPI Last Update On: 03 Jun, 2025

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. Steve Theodore Matthews are as mentioned below.

License NumberSpecializationStateStatus
335000Psychiatry 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. Steve Theodore Matthews
75 N Country Rd,
Port Jefferson, NY - 11777-2190

Book an Appointment with Dr. Steve Theodore Matthews

To schedule an appointment, contact Dr. Steve Theodore Matthews at 75 N Country Rd, Port Jefferson, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Steve Theodore Matthews:

Dr. Steve Theodore Matthews is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Dr. Steve Theodore Matthews 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. Steve Theodore Matthews practices at 75 N Country Rd, Port Jefferson, New York, 11777-2190.

To schedule an appointment with Dr. Steve Theodore Matthews, please contact the office at 631-686-2518.

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