IndividualActive
Mark Williams, LSW, LICDC
NPI 1962994111 · Social Worker · Cleveland, OH
Mark Williams, LSW, LICDC is a Social Worker provider in Cleveland, OH (NPI 1962994111).
Provider details
- NPI number
- 1962994111
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LSW, LICDC
- Sex
- Male
- Sole proprietor
- Yes
- License
- S.1600228 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(72/100 index)
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
310 W Lakeside Ave Ste 500
Cleveland, OH 44113-1069
Phone: (216) 443-8250
Fax: (216) 443-8272
Street-level locationGet directions
Mailing address
310 W Lakeside Ave Ste 500
Cleveland, OH 44113-1069
Additional practice locations (1)
- 1276 W 3rd St Ste 210Cleveland, OH 44113-1512Phone: (216) 443-7375Fax: (216) 443-8272
Registry dates
- Enumerated
- 2018-06-04
- Last updated
- 2018-10-19
Frequently asked questions
- What is Mark Williams's NPI number?
- Mark Williams's National Provider Identifier (NPI) is 1962994111, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Williams's specialty?
- Mark Williams is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Williams located?
- Mark Williams's practice location on file with NPPES is 310 W Lakeside Ave Ste 500, Cleveland, OH 44113-1069.
- What is Mark Williams's phone number?
- The practice phone number listed in the NPPES registry for Mark Williams is (216) 443-8250.
- Is Mark Williams's NPI active?
- Yes — Mark Williams's NPI (1962994111) is active in the NPPES registry as of the last update on 2018-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.