Alison Williams
NPI 1700384096 · Addiction (Substance Use Disorder) Counselor · Hesperia, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Williams is a Addiction (Substance Use Disorder) Counselor provider in Hesperia, CA (NPI 1700384096).
Provider details
- NPI number
- 1700384096
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 144926 (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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 11776 Mariposa Rd # 103Hesperia, CA 92345-1622Phone: (760) 956-2462Fax: (760) 956-7542
Registry dates
- Enumerated
- 2018-02-01
- Last updated
- 2024-05-17
- Certified
- 2024-05-17
Frequently asked questions
- What is Alison Williams's NPI number?
- Alison Williams's National Provider Identifier (NPI) is 1700384096, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Williams's specialty?
- Alison Williams is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Alison Williams located?
- Alison Williams's practice location on file with NPPES is 11776 Mariposa Rd # 103, Hesperia, CA 92345-1622.
- What is Alison Williams's phone number?
- The practice phone number listed in the NPPES registry for Alison Williams is (760) 956-2462.
- Does Alison Williams accept Medicare?
- Alison Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Williams's NPI active?
- Yes — Alison Williams's NPI (1700384096) is active in the NPPES registry as of the last update on 2024-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.