William P. Kooistra is a Grand Haven, Michigan based psychologist who is specialized in Clinical Psychology. Active license number of William P. Kooistra is 6301007943 for Clinical Psychology in Michigan. His current practice location is 41 Washington Ave, Ste 365, Grand Haven. Patients can reach him at 616-399-9911. William P. Kooistra is PH.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1508040627.
William P. Kooistra 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 P. Kooistra 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 P. Kooistra |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Practice Address: | 41 Washington Ave, Ste 365, Grand Haven,
Michigan, 49417-3304 |
| Phone: | 616-399-9911 |
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: | 1508040627 |
| NPI Enumeration Date: | 26 Dec, 2007 |
| NPI Last Update On: | 23 Dec, 2016 |
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 P. Kooistra are as mentioned below.
| License Number | Specialization | State | Status | |
| 6301007943 | Clinical Psychology | Michigan | 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 P. Kooistra
41 Washington Ave, Ste 365
Grand Haven, Michigan |
| Zip: | 49417-3304 |
| Phone Number: | 616-638-7557 |
Patients can reach William P. Kooistra at
41 Washington Ave, Ste 365, Grand Haven, Michigan or can
call to book an appointment on 616-399-9911.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.