William Holland is a New York, New York based psychologist who is specialized in Clinical Psychology. Active license number of William Holland is 028118 for Clinical Psychology in New York. His current practice location is 300 Central Park W Apt 1c, New York. Patients can reach him at 917-848-0305. William Holland is PHD in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1265373203.
William Holland 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.
Complete Profile:
William Holland speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | William Holland |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PHD |
| Practice Address: | 300 Central Park W Apt 1c, New York,
New York, 10024-1590 |
| Phone: | 917-848-0305 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1265373203 |
| NPI Enumeration Date: | 03 Apr, 2026 |
| NPI Last Update On: | 03 Apr, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William Holland are as mentioned below.
| License Number | Specialization | State | Status | |
| 028118 | Clinical Psychology | New York | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | William Holland
300 Central Park W Apt 1c,
New York, New York |
| Zip: | 10024-1590 |
Patients can reach William Holland at
300 Central Park W Apt 1c, New York, New York or can
call to book an appointment on 917-848-0305.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.