Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Mary Kathleen Nix, RN
Registered Nurse in Garden City, NY · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821347774
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Registry record
Entity type Individual (Type 1)
Name Ms. Mary Kathleen Nix
Credential RN
Sex Female
Practice address 501 Franklin Avenue, Suite 140, Garden City, NY, 11530
Phone (516) 531-2107
Fax (516) 531-2107
Enumeration date Sep 6, 2012
Last updated in NPPES Jan 27, 2017
Taxonomy & licenses
163WC0400X Case Management Registered Nurse Nursing Service Providers · License 618578 (NY) Secondary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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 Mary Nix?
The National Provider Identifier (NPI) for Mary Nix is 1821347774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Nix practice?
The practice location on file with NPPES is in Garden City, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-27.