Psychologist | Clinical Psychology | 33+ years experience

Dr. William Halsted James, PH.D.

3305 Jerusalem Ave Ste 207, Wantagh, New York, 11793-2028

About Dr. William Halsted James

Dr. William Halsted James is a psychologist based in Wantagh, New York with 33 years of experience in Clinical Psychology. He completed his graduation in 1993. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. William Halsted James is 012478-1 NY for Clinical Psychology in New York. His current practice location is 3305 Jerusalem Ave Ste 207, Wantagh. Patients can contact him at 516-785-0323 or can fax him at 516-785-6026. Dr. William Halsted James, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1346364163.

Dr. William Halsted James 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

Dr. William Halsted James'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 Halsted James
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 33+ years
Graduation Year 1993
Gender Male
Practice Address: 3305 Jerusalem Ave Ste 207,
Wantagh, NY - 11793-2028
Fax 516-785-6026

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.

PAC ID 3173677705
Enrollment ID I20090818000032
NPI Number1346364163
NPI Enumeration Date: 19 Mar, 2007
NPI Last Update On: 30 Aug, 2024

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 Halsted James are as mentioned below.

License NumberSpecializationStateStatus
012478-1 NYClinical Psychology New YorkPrimary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. William Halsted James is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
South Shore Counseling And Psychological Services, Pc (5890849434)3

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 Halsted James
1512 Wantagh Ave,
Wantagh, NY - 11793
Phone: 516-785-0323
Fax: 516-785-6026

Book an Appointment with Dr. William Halsted James

To schedule an appointment, contact Dr. William Halsted James at 3305 Jerusalem Ave Ste 207, Wantagh, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. William Halsted James:

Dr. William Halsted James is a psychologist specializing in Clinical Psychology. He 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.

Dr. William Halsted James has approximately 33 years of experience in Clinical Psychology.

Yes, Dr. William Halsted James accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. William Halsted James 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 Halsted James practices at 3305 Jerusalem Ave Ste 207, Wantagh, New York, 11793-2028.

To schedule an appointment with Dr. William Halsted James, please contact the office at 516-785-0323.

Reviews & Feedback

Have you visited Dr. William Halsted James? Share your experience to help others looking for a psychologist in Wantagh, NY.

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