Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Denise Karen Ann Duffy, LCSW
Clinical Social Worker in Miami, FL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326081423
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Registry record
Entity type Individual (Type 1)
Name Dr. Denise Karen Ann Duffy
Credential LCSW
Sex Female
Practice address 1201 Nw 16th St, Miami, FL, 33125
Phone (305) 575-3219
Fax (305) 575-3380
Enumeration date Jun 14, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License SW687 (FL) Primary
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
Where does Denise Duffy practice?
The practice location on file with NPPES is in Miami, FL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Denise Duffy?
The National Provider Identifier (NPI) for Denise Duffy is 1326081423, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.