Holly Williamson, LISAC
NPI 1033942438 · Addiction (Substance Use Disorder) Counselor · Phoenix, AZ
Holly Williamson, LISAC is a Addiction (Substance Use Disorder) Counselor provider in Phoenix, AZ (NPI 1033942438).
Provider details
- NPI number
- 1033942438
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- LISAC
- Sex
- Female
- Sole proprietor
- No
- License
- 11735 (AZ)
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
1 yr 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
- 2024-08-21
- Last updated
- 2024-08-21
- Certified
- 2024-08-21
Frequently asked questions
- What is Holly Williamson's NPI number?
- Holly Williamson's National Provider Identifier (NPI) is 1033942438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Williamson's specialty?
- Holly Williamson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Holly Williamson located?
- Holly Williamson's practice location on file with NPPES is 4201 N 16th St Ste 140, Phoenix, AZ 85016-5398.
- What is Holly Williamson's phone number?
- The practice phone number listed in the NPPES registry for Holly Williamson is (602) 264-6214.
- Is Holly Williamson's NPI active?
- Yes — Holly Williamson's NPI (1033942438) is active in the NPPES registry as of the last update on 2024-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.