DIANE NECASTRO (LCSW, LLC) – Clinical Social Worker, NPI 1255430393
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
299 CLINICAL SOCIAL WORKER in DE
Provider Addresses for DIANE NECASTRO (LCSW, LLC)
2601 ANNAND DR STE 20
WILMINGTON, DE 198083719
Phone: (302) 379-8959
Type: Location
1213 Delaware Ave
Wilmington, DE 19806
Phone: (302) 652-3948
Fax: (302) 652-8297
Type: Location
7, Yorkridge Trail, Valley View, Hockessin, New Castle County, Delaware, 19707, United States
HOCKESSIN, DE 197079633
Phone: (302) 379-8959
Type: Mailing
1500 SHALLCROSS AVE STE 2
WILMINGTON, DE 198063037
Phone: (302) 379-8959
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-11-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20171107000976 | I | Clinical Social Worker | DE | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 339 | 13 | $0 |
Insurance plans in this area (ZIP 19808)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | DE |
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