Mark Casagrande, L.C.S.W
Clinical Social Worker · Newark, DE
Mark Casagrande, L.C.S.W is a clinical social worker with a practice address in Newark, Delaware, and NPI 1649281338, issued on Aug 10, 2006. Check the license (Delaware Q1-0000611, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Casagrande
- Credential
- L.C.S.W
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- Q1-0000611 DE
Self-reported in NPPES; status is on the state search - Practice location
- 286 E. Main St, Newark, DE 19711
- Phone
- (302) 286-1402
- Enumerated
- Aug 10, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (302) 286-1403
- Medicare enrollment
- Enrolled (PECOS I20050927000931); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 935 in Delaware → Look up another NPI →
Verify Mark Casagrande in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license Q1-0000611Check 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
- A Window TO Wellness LLCWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Casagrande among 935 clinical social worker records in Delaware
Mark Casagrande, L.C.S.W 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 85% newer
- In a Medicare fileYes · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1998 · median 2006 among the 253 with a school on file
- Record last updated2022 · 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).
154 clinical social worker records list a practice address in Newark
They are 154 of the 4,662 NPPES records with a practice address in Newark, and 935 clinical social worker records in Delaware.
All 935 in Delaware → Every provider in Newark → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Scott BarnthouseNewark, DE 197111528246113
- Sharon Cooper, MSSWNewark, DE 197111083714596
- Kelly Dobrowolski, MSW, LCSWNewark, DE 197111063526911
- Mia Dorman, LCSW CADCNewark, DE 197111437481488
- Jill Gaumer, LCSWNewark, DE 197111700941911
- Ruth Grulich, LCSWNewark, DE 197111164439287
- Rebecca Levin-Greenblatt, LCSWNewark, DE 197111609064765
- Jennifer Lyons, LCSWNewark, DE 197111255512059
Common questions
What is Mark Casagrande, L.C.S.W's NPI number?
Mark Casagrande, L.C.S.W's National Provider Identifier (NPI) is 1649281338, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Casagrande, L.C.S.W located?
The NPPES record lists a practice address at 286 E. Main St, Newark, DE, 19711. Phone: (302) 286-1402. Providers update this record themselves, so call before visiting.
How can I verify Mark Casagrande, L.C.S.W's license?
NPPES lists Delaware license number Q1-0000611, 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.