Psychologist | General Psychology

Dr. Marissa Diaco, PSYD

629 Fifth Ave Ste 109, Pelham, New York, 10803-3708

About Dr. Marissa Diaco

Dr. Marissa Diaco is a psychologist based in Pelham, New York who is specialized in General Psychology. Active license number of Dr. Marissa Diaco is 028063 for General Psychology in New York. Her current practice location is 629 Fifth Ave Ste 109, Pelham. Patients can contact her at 914-368-2995. Dr. Marissa Diaco, PSYD, specializes in General Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1245165562.

Dr. Marissa Diaco is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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. Marissa Diaco'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. Marissa Diaco
Specialization General Psychology
Credentials PSYD
Gender Female
Practice Address: 629 Fifth Ave Ste 109,
Pelham, NY - 10803-3708

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 Number1245165562
NPI Enumeration Date: 17 Jun, 2026
NPI Last Update On: 17 Jun, 2026

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. Marissa Diaco are as mentioned below.

License NumberSpecializationStateStatus
028063General 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. Marissa Diaco
139 W 74th St Apt 4a,
New York, NY - 10023-2271

Book an Appointment with Dr. Marissa Diaco

To schedule an appointment, contact Dr. Marissa Diaco at 629 Fifth Ave Ste 109, Pelham, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Marissa Diaco:

Dr. Marissa Diaco is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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. Marissa Diaco 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. Marissa Diaco practices at 629 Fifth Ave Ste 109, Pelham, New York, 10803-3708.

To schedule an appointment with Dr. Marissa Diaco, please contact the office at 914-368-2995.

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