Psychologist | Clinical Psychology

Dr. William N. Costas, PSY.D.

7996 S Vincennes Way, Centennial, Colorado, 80112-3333

About Dr. William N. Costas

Dr. William N. Costas is a psychologist based in Centennial, Colorado who is specialized in Clinical Psychology. Active license number of Dr. William N. Costas is 1301 for Clinical Psychology in Colorado. His current practice location is 7996 S Vincennes Way, Centennial. Patients can contact him at 303-919-0000. Dr. William N. Costas, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1619179025.

Dr. William N. Costas 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 N. Costas'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 N. Costas
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 7996 S Vincennes Way,
Centennial, CO - 80112-3333

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 Number1619179025
NPI Enumeration Date: 05 Jun, 2007
NPI Last Update On: 08 Mar, 2017

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 N. Costas are as mentioned below.

License NumberSpecializationStateStatus
1301Clinical Psychology ColoradoPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. William N. Costas such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
07000292MedicaidColorado

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 N. Costas
7996 S Vincennes Way,
Centennial, CO - 80112-3333
Phone: 303-919-0000

Book an Appointment with Dr. William N. Costas

To schedule an appointment, contact Dr. William N. Costas at 7996 S Vincennes Way, Centennial, Colorado or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. William N. Costas:

Dr. William N. Costas 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.

Yes, Dr. William N. Costas 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 N. Costas practices at 7996 S Vincennes Way, Centennial, Colorado, 80112-3333.

To schedule an appointment with Dr. William N. Costas, please contact the office at 303-919-0000.

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