Psychologist | General Psychology

Dr. William Nana Osei, PHD

26 Court St Ste 409, Brooklyn, New York, 11242-1134

About Dr. William Nana Osei

Dr. William Nana Osei is a psychologist based in Brooklyn, New York who is specialized in General Psychology. Active license number of Dr. William Nana Osei is 024706 for General Psychology in New York. His current practice location is 26 Court St Ste 409, Brooklyn. Patients can contact him at 347-695-8715. Dr. William Nana Osei, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1992322960.

Dr. William Nana Osei 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. William Nana Osei'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. William Nana Osei
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 26 Court St Ste 409,
Brooklyn, NY - 11242-1134

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 Number1992322960
NPI Enumeration Date: 25 Jun, 2020
NPI Last Update On: 02 Dec, 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. William Nana Osei are as mentioned below.

License NumberSpecializationStateStatus
024706General Psychology New YorkPrimary
PS020493General Psychology PennsylvaniaSecondary

Mailing Address

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

Dr. William Nana Osei
26 Court St Ste 409,
Brooklyn, NY - 11242-1134
Phone: 347-695-8715

Book an Appointment with Dr. William Nana Osei

To schedule an appointment, contact Dr. William Nana Osei at 26 Court St Ste 409, Brooklyn, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. William Nana Osei:

Dr. William Nana Osei 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. William Nana Osei 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. William Nana Osei practices at 26 Court St Ste 409, Brooklyn, New York, 11242-1134.

To schedule an appointment with Dr. William Nana Osei, please contact the office at 347-695-8715.

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