Marlene Williams, CACII
NPI 1902144132 · Addiction (Substance Use Disorder) Counselor · Winnsboro, SC
Marlene Williams, CACII is a Addiction (Substance Use Disorder) Counselor provider in Winnsboro, SC (NPI 1902144132).
Provider details
- NPI number
- 1902144132
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CACII
- Sex
- Female
- Sole proprietor
- No
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
13 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2013-01-23
- Last updated
- 2013-01-23
Frequently asked questions
- What is Marlene Williams's NPI number?
- Marlene Williams's National Provider Identifier (NPI) is 1902144132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlene Williams's specialty?
- Marlene Williams is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marlene Williams located?
- Marlene Williams's practice location on file with NPPES is 200 Calhoun St, Winnsboro, SC 29180-1508.
- What is Marlene Williams's phone number?
- The practice phone number listed in the NPPES registry for Marlene Williams is (803) 635-2335.
- Is Marlene Williams's NPI active?
- Yes — Marlene Williams's NPI (1902144132) is active in the NPPES registry as of the last update on 2013-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.