Psychologist | Clinical Psychology

Marc A Janoson, PH.D.

75 Plandome Rd, Manhasset, New York, 11030-2303

About Marc A Janoson

Marc A Janoson is a psychologist based in Manhasset, New York who is specialized in Clinical Psychology. Active license number of Marc A Janoson is 006325 for Counseling Psychology in New York. His current practice location is 75 Plandome Rd, Manhasset. Patients can contact him at 516-304-5700 or can fax him at 516-304-5702. Marc A Janoson, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1790958940.

Marc A Janoson 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.

Practice Information

Marc A Janoson'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 Marc A Janoson
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 75 Plandome Rd,
Manhasset, NY - 11030-2303
Fax 516-304-5702

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 Number1790958940
NPI Enumeration Date: 09 Apr, 2008
NPI Last Update On: 13 Apr, 2018

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 Marc A Janoson are as mentioned below.

License NumberSpecializationStateStatus
006325Counseling Psychology New YorkPrimary
006325Clinical Psychology New YorkSecondary
006325Adult Development & Aging Psychology New YorkSecondary
006325Forensic Psychology New YorkSecondary

Other Medical Identifiers

Other professional identifiers associated with Marc A Janoson such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
00432568MedicaidNew York
006325OtherNew YorkLICENSED PSYCHOLOGIST

Mailing Address

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

Marc A Janoson
75 Plandome Rd,
Manhasset, NY - 11030-2303
Phone: 516-304-5700
Fax: 516-304-5702

Book an Appointment with Marc A Janoson

To schedule an appointment, contact Marc A Janoson at 75 Plandome Rd, Manhasset, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Marc A Janoson:

Marc A Janoson is a psychologist specializing in Counseling Psychology. He help people with physical, emotional and mental health issues, improve their sense of well‐being, alleviate feelings of distress and resolve crises. He also provides assessment, diagnosis, and treatment of more severe psychological symptoms.
Counseling psychologists mainly focuses on: Healthy aspects and strengths of clients (whether being seen as individuals, couples, families, groups or organizations; Environmental/situational influences (how cultural, gender and lifestyle issues shape people’s experiences and concerns); Issues of diversity and social justice (e.g., advocacy); The role of career and work in peoples’ lives.

Yes, Marc A Janoson 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.

Marc A Janoson practices at 75 Plandome Rd, Manhasset, New York, 11030-2303.

To schedule an appointment with Marc A Janoson, please contact the office at 516-304-5700.

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