NPPES file of Aug 9, 2026

Leah Denise Sullivan, LCSW

Clinical Social Worker · Dover, DE

Leah Denise Sullivan, LCSW is a clinical social worker with a practice address in Dover, Delaware, and NPI 1003051244, issued on Dec 2, 2008. Check the license (Delaware Q1-0000769, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003051244
Name
Leah Denise Sullivan
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
Q1-0000769 DE
Self-reported in NPPES; status is on the state search
Practice location
1151 Walker RD, Dover, DE 19904
Phone
(302) 674-2380
Enumerated
Dec 2, 2008
Record last updated
May 21, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090319000371); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1151 Walker RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alberta Banks, LCSWClinical Social Worker1558504696
  2. Stav Bennett, LPCMHMental Health Counselor1184856288
  3. Meriam Chua, M.D.Psychiatry Physician1922237643
  4. Diana Cohen, MSW/LCSWClinical Social Worker1851404594
  5. Jennifer Dombroski, LCSWClinical Social Worker1275790388
  6. David Frye, LCSWClinical Social Worker1265847297

Verify Leah Denise Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license Q1-0000769
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Delaware license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. The Mind And Body Consortium, LLC.Dover, DE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Leah Denise Sullivan among 935 clinical social worker records in Delaware

Leah Denise Sullivan, 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 2008, is newer than 27% of them.

  • NPI issued2008 · 27% of these records are older, 68% newer
  • In a Medicare fileYes · 17% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated1999 · median 2006 among the 253 with a school on file
  • Record last updated2018 · 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).

116 clinical social worker records list a practice address in Dover

They are 116 of the 2,137 NPPES records with a practice address in Dover, and 935 clinical social worker records in Delaware.

The 8 clinical social worker records with the nearest ZIP codes

  1. E Bibee Friedman, M.S.W., L.C.S.W.Dover, DE 199041013929397
  2. Lori Bishop, M.S.W., L.C.S.W.Dover, DE 199041386656676
  3. Diana Cohen, MSW/LCSWDover, DE 199041851404594
  4. Carla Daufenbach, L.C.S.W.Dover, DE 199041114970613
  5. Bobbi English, LCSW, MSWDover, DE 199041740354471
  6. Patricia Guarriello, PHDDover, DE 199041649292210
  7. Noelle HenryDover, DE 199041104977305
  8. Bridgett Joyce, LCSWDover, DE 199041174664841

Common questions

What is Leah Denise Sullivan, LCSW's NPI number?

Leah Denise Sullivan, LCSW's National Provider Identifier (NPI) is 1003051244, issued on Dec 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Leah Denise Sullivan, LCSW located?

The NPPES record lists a practice address at 1151 Walker RD, Dover, DE, 19904. Phone: (302) 674-2380. Providers update this record themselves, so call before visiting.

How can I verify Leah Denise Sullivan, LCSW's license?

NPPES lists Delaware license number Q1-0000769, 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.