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Clinical Social Worker

Courtney Costello, CSW

Sees patients in Selbyville, DE · Delaware

Summary

Courtney Costello, CSW is a clinical social worker at 37070 E Stoney Run, Selbyville, DE 19975. Phone: (302) 448-8458. Accepts Medicare assignment. NPI 1013991306. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical social worker
  • Address: 37070 E Stoney Run, Selbyville, DE 19975 · Directions
  • Phone: (302) 448‑8458
  • Medicare: Accepts Medicare assignment
  • Group practice: Daws Mental Health Counseling
  • School: graduated 2003
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Courtney Costello, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Courtney Costello accept Medicare assignment?
Yes. Medicare's clinician data says Courtney Costello accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Courtney Costello's NPI number?
1013991306. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Courtney Costello is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Courtney Costello as a member of this group (CMS data updated October 2, 2026).

  • Daws Mental Health Counseling3 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Delaware →

Other clinical social workers in Delaware

Clinicians with the same Medicare primary specialty in Delaware — not a recommendation.

All clinical social workers in Delaware →

Other clinicians in Daws Mental Health Counseling

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCSW
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013991306
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians