IndividualActive
Diamond Lewis, LMSW
NPI 1821674417 · Social Worker · Smithtown, NY
Diamond Lewis, LMSW is a Social Worker provider in Smithtown, NY (NPI 1821674417).
Provider details
- NPI number
- 1821674417
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 110878-01 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
11 Route 111 Ste 2
Smithtown, NY 11787-3754
Phone: (631) 656-9550
Street-level locationGet directions
Mailing address
35 Andpress Plz
Amityville, NY 11701-2441
Registry dates
- Enumerated
- 2021-03-23
- Last updated
- 2021-03-23
- Certified
- 2021-03-23
Frequently asked questions
- What is Diamond Lewis's NPI number?
- Diamond Lewis's National Provider Identifier (NPI) is 1821674417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diamond Lewis's specialty?
- Diamond Lewis is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Diamond Lewis located?
- Diamond Lewis's practice location on file with NPPES is 11 Route 111 Ste 2, Smithtown, NY 11787-3754.
- What is Diamond Lewis's phone number?
- The practice phone number listed in the NPPES registry for Diamond Lewis is (631) 656-9550.
- Is Diamond Lewis's NPI active?
- Yes — Diamond Lewis's NPI (1821674417) is active in the NPPES registry as of the last update on 2021-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.