Dr. William Douglas Pierce is a Yankton, South Dakota based psychologist who is specialized in Clinical Psychology. Active license number of Dr. William Douglas Pierce is 431 for Clinical Psychology in South Dakota. His current practice location is 1000 W 4th St, Yankton. Patients can reach him at 605-665-0258. Dr. William Douglas Pierce is PHD in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1205801727.
Dr. William Douglas Pierce 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:
Dr. William Douglas Pierce speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. William Douglas Pierce |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PHD |
| Practice Address: | 1000 W 4th St, Yankton,
South Dakota, 57078-3730 |
| Phone: | 605-665-0258 |
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: | 1205801727 |
| NPI Enumeration Date: | 19 Feb, 2006 |
| NPI Last Update On: | 23 May, 2011 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. William Douglas Pierce are as mentioned below.
| License Number | Specialization | State | Status | |
| 431 | Clinical Psychology | South Dakota | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. William Douglas Pierce such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 6551840 | Medicaid | South Dakota | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. William Douglas Pierce
1000 W 4th St, Suite 11
Yankton, South Dakota |
| Zip: | 57078-3700 |
| Phone Number: | 605-665-0258 |
Patients can reach Dr. William Douglas Pierce at
1000 W 4th St, Yankton, South Dakota or can
call to book an appointment on 605-665-0258.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.