Psychiatrist

Dr. Marc Harris Grusensky, MD

2171 Jericho Turnpike, Suite 210, Commack, New York, 11725

About Dr. Marc Harris Grusensky

Dr. Marc Harris Grusensky is a psychiatrist based in Commack, New York who is specialized in Psychiatry. Active license number of Dr. Marc Harris Grusensky is 119135 for Psychiatry in New York. His current practice location is 2171 Jericho Turnpike, Suite 210, Commack. Patients can contact him at 631-499-4224 or can fax him at 631-499-1535. Dr. Marc Harris Grusensky, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1578620225.

Dr. Marc Harris Grusensky 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. Marc Harris Grusensky'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. Marc Harris Grusensky
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 2171 Jericho Turnpike, Suite 210
Commack, NY - 11725
Fax 631-499-1535

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 Number1578620225
NPI Enumeration Date: 02 Jan, 2007
NPI Last Update On: 08 Jul, 2007

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. Marc Harris Grusensky are as mentioned below.

License NumberSpecializationStateStatus
119135Psychiatry New YorkPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Marc Harris Grusensky such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
1191352OtherWCB

Mailing Address

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

Dr. Marc Harris Grusensky
2171 Jericho Turnpike, Suite 210
Commack, NY - 11725
Phone: 631-499-4224
Fax: 631-499-1535

Book an Appointment with Dr. Marc Harris Grusensky

To schedule an appointment, contact Dr. Marc Harris Grusensky at 2171 Jericho Turnpike, Suite 210, Commack, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Marc Harris Grusensky:

Dr. Marc Harris Grusensky 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. Marc Harris Grusensky 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. Marc Harris Grusensky practices at 2171 Jericho Turnpike, Suite 210, Commack, New York, 11725.

To schedule an appointment with Dr. Marc Harris Grusensky, please contact the office at 631-499-4224.

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