Stefanie Williams, RADT-I
NPI 1285029819 · Substance Abuse Rehabilitation Facility · Woodland, CA
Stefanie Williams, RADT-I is a Substance Abuse Rehabilitation Facility provider in Woodland, CA (NPI 1285029819).
Provider details
- NPI number
- 1285029819
- Entity type
- Individual
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Credential
- RADT-I
- Sex
- Female
- Sole proprietor
- Yes
- License
- R117771214 (CA)
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-03-31
- Last updated
- 2015-03-31
Frequently asked questions
- What is Stefanie Williams's NPI number?
- Stefanie Williams's National Provider Identifier (NPI) is 1285029819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stefanie Williams's specialty?
- Stefanie Williams is listed in the NPPES registry with a primary specialty of Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Stefanie Williams located?
- Stefanie Williams's practice location on file with NPPES is 8 W Clover St, Woodland, CA 95695-3010.
- What is Stefanie Williams's phone number?
- The practice phone number listed in the NPPES registry for Stefanie Williams is (530) 402-5576.
- Is Stefanie Williams's NPI active?
- Yes — Stefanie Williams's NPI (1285029819) is active in the NPPES registry as of the last update on 2015-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.