Walter Clark, LCSW
NPI 1730301318 · Clinical Social Worker · Arlington Heights, IL
Walter Clark, LCSW is a Clinical Social Worker provider in Arlington Heights, IL (NPI 1730301318).
Provider details
- NPI number
- 1730301318
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
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
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
- 2007-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Walter Clark's NPI number?
- Walter Clark's National Provider Identifier (NPI) is 1730301318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Clark's specialty?
- Walter Clark is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Walter Clark located?
- Walter Clark's practice location on file with NPPES is 1845 E Rand Rd, Arlington Heights, IL 60004-4356.
- What is Walter Clark's phone number?
- The practice phone number listed in the NPPES registry for Walter Clark is (847) 259-3555.
- Is Walter Clark's NPI active?
- Yes — Walter Clark's NPI (1730301318) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.