Wiilam Maddock, CACIII
NPI 1457677957 · Addiction (Substance Use Disorder) Psychologist · Denver, CO
Wiilam Maddock, CACIII is a Addiction (Substance Use Disorder) Psychologist provider in Denver, CO (NPI 1457677957).
Provider details
- NPI number
- 1457677957
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) PsychologistBehavioral Health & Social Service Providers
- Credential
- CACIII
- Sex
- Male
- Sole proprietor
- No
- License
- ACC-634 (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
16 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
- 2010-04-09
- Last updated
- 2010-04-09
Frequently asked questions
- What is Wiilam Maddock's NPI number?
- Wiilam Maddock's National Provider Identifier (NPI) is 1457677957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wiilam Maddock's specialty?
- Wiilam Maddock is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Psychologist (Behavioral Health & Social Service Providers).
- Where is Wiilam Maddock located?
- Wiilam Maddock's practice location on file with NPPES is 990 Bannock St, Denver, CO 80204-4028.
- What is Wiilam Maddock's phone number?
- The practice phone number listed in the NPPES registry for Wiilam Maddock is (720) 956-2394.
- Is Wiilam Maddock's NPI active?
- Yes — Wiilam Maddock's NPI (1457677957) is active in the NPPES registry as of the last update on 2010-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.