IndividualActive
Mark Lewis, LCSW
NPI 1518107655 · Clinical Social Worker · Delmar, NY
Mark Lewis, LCSW is a Clinical Social Worker provider in Delmar, NY (NPI 1518107655).
Provider details
- NPI number
- 1518107655
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 73075878 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
230 Delaware Ave
Delmar, NY 12054-1242
Phone: (518) 928-5398
Street-level locationGet directions
Mailing address
426 Wellington Rd
Delmar, NY 12054-3018
Registry dates
- Enumerated
- 2009-03-03
- Last updated
- 2009-03-03
Frequently asked questions
- What is Mark Lewis's NPI number?
- Mark Lewis's National Provider Identifier (NPI) is 1518107655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lewis's specialty?
- Mark Lewis is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Lewis located?
- Mark Lewis's practice location on file with NPPES is 230 Delaware Ave, Delmar, NY 12054-1242.
- What is Mark Lewis's phone number?
- The practice phone number listed in the NPPES registry for Mark Lewis is (518) 928-5398.
- Is Mark Lewis's NPI active?
- Yes — Mark Lewis's NPI (1518107655) is active in the NPPES registry as of the last update on 2009-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.