Paul Willis, RADTI
NPI 1811861040 · Addiction (Substance Use Disorder) Counselor · Antioch, CA
Paul Willis, RADTI is a Addiction (Substance Use Disorder) Counselor provider in Antioch, CA (NPI 1811861040).
Provider details
- NPI number
- 1811861040
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RADTI
- Sex
- Male
- Sole proprietor
- Yes
- License
- R1621290725 (CA)
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
Under 1 yr in 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
- 2025-10-01
- Last updated
- 2025-10-01
- Certified
- 2025-10-01
Frequently asked questions
- What is Paul Willis's NPI number?
- Paul Willis's National Provider Identifier (NPI) is 1811861040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Willis's specialty?
- Paul Willis is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Paul Willis located?
- Paul Willis's practice location on file with NPPES is 1408 a St, Antioch, CA 94509-2331.
- What is Paul Willis's phone number?
- The practice phone number listed in the NPPES registry for Paul Willis is (925) 978-2873.
- Is Paul Willis's NPI active?
- Yes — Paul Willis's NPI (1811861040) is active in the NPPES registry as of the last update on 2025-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.