Martha Williamson, CSAC, ICS
NPI 1720095318 · Addiction (Substance Use Disorder) Counselor · Milwaukee, WI
Martha Williamson, CSAC, ICS is a Addiction (Substance Use Disorder) Counselor provider in Milwaukee, WI (NPI 1720095318).
Provider details
- NPI number
- 1720095318
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CSAC, ICS
- Sex
- Female
- Sole proprietor
- No
- License
- 13700 (WI)
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
19 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
- 2006-08-03
- Last updated
- 2008-07-01
Frequently asked questions
- What is Martha Williamson's NPI number?
- Martha Williamson's National Provider Identifier (NPI) is 1720095318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Williamson's specialty?
- Martha Williamson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Martha Williamson located?
- Martha Williamson's practice location on file with NPPES is 4383 N 27th St, Milwaukee, WI 53216-1809.
- What is Martha Williamson's phone number?
- The practice phone number listed in the NPPES registry for Martha Williamson is (414) 871-8883.
- Is Martha Williamson's NPI active?
- Yes — Martha Williamson's NPI (1720095318) is active in the NPPES registry as of the last update on 2008-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.