Courtney Costello, LCSW
Clinical Social Worker · Milford, DE
Courtney Costello, LCSW is a clinical social worker with a practice address in Milford, Delaware, and NPI 1013991306, issued on Dec 1, 2005. Check the license with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Courtney Costello
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 1131 Airport RD., Milford, DE 19963
- Phone
- (302) 422-8026
- Enumerated
- Dec 1, 2005
- Record last updated
- Sep 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20060106000685); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 935 in Delaware → Look up another NPI →
Also registered at 1131 Airport RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shirley Wilson, LPCMHMental Health Counselor1184749954
Verify Courtney Costello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this professionCheck 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
- Daws Mental Health CounselingSelbyville, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Courtney Costello among 935 clinical social worker records in Delaware
Courtney Costello, LCSW 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2003 · median 2006 among the 253 with a school on file
- Record last updated2025 · 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).
30 clinical social worker records list a practice address in Milford
They are 30 of the 713 NPPES records with a practice address in Milford, and 935 clinical social worker records in Delaware.
All 935 in Delaware → Every provider in Milford → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Cheryl Chambers, LCSWMilford, DE 199631912180167
- Pamela Djakovich, LCSWMilford, DE 199631417014663
- Sonya DyerMilford, DE 199631417014689
- Carol Johnson-Krumm, LCSWMilford, DE 199631356585806
- Elizabeth Miller, LCSWMilford, DE 199631699951228
- Julie MorrisMilford, DE 199631972923811
- Kathryn Nichols, LCSWMilford, DE 199631336140722
- Carol Rhue, LCSWMilford, DE 199631154571818
Common questions
What is Courtney Costello, LCSW's NPI number?
Courtney Costello, LCSW's National Provider Identifier (NPI) is 1013991306, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Courtney Costello, LCSW located?
The NPPES record lists a practice address at 1131 Airport RD., Milford, DE, 19963. Phone: (302) 422-8026. Providers update this record themselves, so call before visiting.
How can I verify Courtney Costello, LCSW's license?
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.