Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Diana S, Cohen, MSW/LCSW
Clinical Social Worker in Dover, DE · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851404594
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Registry record
Entity type Individual (Type 1)
Name Ms. Diana S, Cohen
Credential MSW/LCSW
Sex Female
Practice address 1151 Walker Rd, Dover, DE, 19904
Phone (302) 674-2380
Fax (302) 674-1299
Enumeration date Aug 16, 2006
Last updated in NPPES Sep 10, 2016
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License Q1-0000346 (DE) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1851404594 | Medicaid | DE | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Diana Cohen?
The National Provider Identifier (NPI) for Diana Cohen is 1851404594, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diana Cohen practice?
The practice location on file with NPPES is in Dover, DE. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Shelagh Thomas Family Nurse Practitioner · Dover, DE NPI 1477592517 Alan Meluney Mental Health Counselor · Dover, DE NPI 1023023439 Kathleen Potter Psychiatric/Mental Health Clinical Nurse Specialist · Dover, DE NPI 1881606895 Michelle Manuszak Mental Health Counselor · Dover, DE NPI 1285746909 Frank Gillespie Professional Counselor · Dover, DE NPI 1174697270 Eleanor Perkins Professional Counselor · Dover, DE NPI 1669533378 Joseph Schwartz Clinical Psychologist · Dover, DE NPI 1386707925 Jennifer Dombroski Clinical Social Worker · Dover, DE NPI 1275790388
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-10.