Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mallory Jordan Merryman, MSW, LCSW
Social Worker in Wilmington, DE · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1114307600
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Registry record
Entity type Individual (Type 1)
Name Mallory Jordan Merryman
Credential MSW, LCSW
Sex Female
Practice address 607 W 18th St, Wilmington, DE, 19802
Phone (302) 888-2233
Enumeration date Jun 1, 2015
Last updated in NPPES Jan 24, 2023
Taxonomy & licenses
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
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 Mallory Merryman?
The National Provider Identifier (NPI) for Mallory Merryman is 1114307600, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mallory Merryman practice?
The practice location on file with NPPES is in Wilmington, DE. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Total Foot Care P.A. Podiatrist · Wilmington, DE NPI 1912056607 The Ebright Collaborative, LLC Community/Behavioral Health Agency · Wilmington, DE NPI 1982039509 John Bickel Clinical Social Worker · Wilmington, DE NPI 1881006161 Casey Baginski Social Worker · Wilmington, DE NPI 1164878732 Alyssa Brown Clinical Social Worker · Wilmington, DE NPI 1861950719 Dora Eaton Mental Health Counselor · Wilmington, DE NPI 1346881075 Samantha Davis Clinical Social Worker · Wilmington, DE NPI 1336832583 Dana Morelli Clinical Social Worker · Wilmington, DE NPI 1730935974
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-24.