William Costas, PSY.D.
NPI 1619179025 · Clinical Psychologist · Centennial, CO
William Costas, PSY.D. is a Clinical Psychologist provider in Centennial, CO (NPI 1619179025).
Provider details
- NPI number
- 1619179025
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1301 (CO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-05
- Last updated
- 2017-03-08
Frequently asked questions
- What is William Costas's NPI number?
- William Costas's National Provider Identifier (NPI) is 1619179025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Costas's specialty?
- William Costas is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Costas located?
- William Costas's practice location on file with NPPES is 7996 S Vincennes Way, Centennial, CO 80112-3333.
- What is William Costas's phone number?
- The practice phone number listed in the NPPES registry for William Costas is (303) 919-0000.
- Is William Costas's NPI active?
- Yes — William Costas's NPI (1619179025) is active in the NPPES registry as of the last update on 2017-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.