Diane Necastro, LCSW, LLC
Clinical Social Worker · Wilmington, DE
Diane Necastro, LCSW, LLC is a clinical social worker with a practice address in Wilmington, Delaware, and NPI 1255430393, issued on Sep 22, 2006. Check the license (Delaware Q10000379, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Necastro
- Credential
- LCSW, LLC
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- Q10000379 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Shallcross Ave Ste 2, Wilmington, DE 19806
- Phone
- (302) 379-8959
- Enumerated
- Sep 22, 2006
- Record last updated
- Nov 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171107000976); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 935 in Delaware → Look up another NPI →
Also registered at 1500 Shallcross Ave Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Innocent TurnerClinical Social Worker1215576343
Verify Diane Necastro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license Q10000379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Diane Necastro Lcsw LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Necastro among 935 clinical social worker records in Delaware
Diane Necastro, LCSW, LLC is one of 935 clinical social worker records with a practice address in Delaware. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 85% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1986 · median 2006 among the 253 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
345 clinical social worker records list a practice address in Wilmington
They are 345 of the 6,291 NPPES records with a practice address in Wilmington, and 935 clinical social worker records in Delaware.
All 935 in Delaware → Every provider in Wilmington → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Sonya Barham, L.C.S.W., CEAP, MACWilmington, DE 198061194773309
- Kelly Bisaha, LCSWWilmington, DE 198061295823904
- Robert DavisWilmington, DE 198061003914177
- J DigiovanniWilmington, DE 198061275615155
- Dawn Fleming, LCSWWilimington, DE 198061912008103
- Christopher Hampton, MSW LCSWWilmington, DE 198061982765442
- John HollembeakWilimington, DE 198061841391034
- Bruce Kelsey, LCSWWilmington, DE 198061811095987
Common questions
What is Diane Necastro, LCSW, LLC's NPI number?
Diane Necastro, LCSW, LLC's National Provider Identifier (NPI) is 1255430393, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Necastro, LCSW, LLC located?
The NPPES record lists a practice address at 1500 Shallcross Ave Ste 2, Wilmington, DE, 19806. Phone: (302) 379-8959. Providers update this record themselves, so call before visiting.
How can I verify Diane Necastro, LCSW, LLC's license?
NPPES lists Delaware license number Q10000379, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.