Diane Sandler-Derby, MSW, CASAC
NPI 1376634634 · Clinical Social Worker · Wantagh, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Sandler-Derby, MSW, CASAC is a Clinical Social Worker provider in Wantagh, NY (NPI 1376634634).
Provider details
- NPI number
- 1376634634
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, CASAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4882 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2006-09-28
- Last updated
- 2010-10-15
Frequently asked questions
- What is Diane Sandler-Derby's NPI number?
- Diane Sandler-Derby's National Provider Identifier (NPI) is 1376634634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Sandler-Derby's specialty?
- Diane Sandler-Derby is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Sandler-Derby located?
- Diane Sandler-Derby's practice location on file with NPPES is 42 Daffodil Ln, Wantagh, NY 11793-1802.
- What is Diane Sandler-Derby's phone number?
- The practice phone number listed in the NPPES registry for Diane Sandler-Derby is (516) 783-8374.
- Does Diane Sandler-Derby accept Medicare?
- Diane Sandler-Derby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Sandler-Derby's NPI active?
- Yes — Diane Sandler-Derby's NPI (1376634634) is active in the NPPES registry as of the last update on 2010-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.