Brian Willems, CI35270322
NPI 1619505435 · Addiction (Substance Use Disorder) Counselor · Fresno, CA
Brian Willems, CI35270322 is a Addiction (Substance Use Disorder) Counselor provider in Fresno, CA (NPI 1619505435).
Provider details
- NPI number
- 1619505435
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CI35270322
- Sex
- Male
- Sole proprietor
- No
- License
- RR1372341219 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
6 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
- 2020-03-28
- Last updated
- 2023-01-24
- Certified
- 2023-01-24
Frequently asked questions
- What is Brian Willems's NPI number?
- Brian Willems's National Provider Identifier (NPI) is 1619505435, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Willems's specialty?
- Brian Willems is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Brian Willems located?
- Brian Willems's practice location on file with NPPES is 1310 M St, Fresno, CA 93721-1808.
- What is Brian Willems's phone number?
- The practice phone number listed in the NPPES registry for Brian Willems is (559) 264-2700.
- Is Brian Willems's NPI active?
- Yes — Brian Willems's NPI (1619505435) is active in the NPPES registry as of the last update on 2023-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.