MRS. LEAH DENISE SULLIVAN (LCSW) – Clinical Social Worker, NPI 1003051244
Clinical Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
299 CLINICAL SOCIAL WORKER in DE
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Provider Addresses for MRS. LEAH DENISE SULLIVAN (LCSW)
156, South State Street, Capitol Green, Dover, Kent County, Delaware, 19901, United States
DOVER, DE 199017314
Phone: (302) 674-2380
Type: Mailing
1151, Walker Road, Zurkow Development, Dover, Kent County, Delaware, 19904, United States
DOVER, DE 199046600
Phone: (302) 674-2380
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.
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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: 2009-03-19
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 |
|---|---|---|---|---|
| I20090319000371 | 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 | 204 | 26 | $0 |
| 90834 | Psychotherapy, 45 minutes | 28 | 13 | $0 |
Insurance plans in this area (ZIP 19901)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | UT | |
| Nurse Practitioner | DE | |
| - | DE | |
| Marriage And Family Therapist | DE | |
| Clinical Social Worker | DE | |
| - | DE | |
| Nurse Practitioner | MD | |
| Mental Health Counselor | DE | |
| P S Y C H I A T R Y | DE | |
| Certified Clinical Nurse Specialist (Cns) | DE |
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